Square of 790
2026-02-28 13:00 Diff
https://brightchamps.com/en-us/math/algebra/square-of-790

245 Learners

Last updated on August 5, 2025

The product of multiplying an integer by itself is the square of a number. Square is used in programming, calculating areas, and so on. In the topic, we will discuss the square of 790.

What is the Square of 790

The square of a number is the product of the number itself.

The square of 790 is 790 × 790.

The square of a number always ends in 0, 1, 4, 5, 6, or 9.

We write it in math as 790², where 790 is the base and 2 is the exponent.

The square of a positive and a negative number is always positive. For example, 5² = 25; -5² = 25.

The square of 790 is 790 × 790 = 624100.

Square of 790 in exponential form: 790²

Square of 790 in arithmetic form: 790 × 790

How to Calculate the Value of Square of 790

The square of a number is multiplying the number by itself. So let’s learn how to find the square of a number. These are the common methods used to find the square of a number.

  • By Multiplication Method
     
  • Using a Formula (a2)
     
  • Using a Calculator

By the Multiplication method

In this method, we will multiply the number by itself to find the square. The product here is the square of the number. Let’s find the square of 790.

Step 1: Identify the number. Here, the number is 790.

Step 2: Multiplying the number by itself, we get, 790 × 790 = 624100.

The square of 790 is 624100.

Explore Our Programs

Using a Formula (a²)

In this method, the formula, a² is used to find the square of the number. Where a is the number.

Step 1: Understanding the equation Square of a number = a² a² = a × a

Step 2: Identifying the number and substituting the value in the equation.

Here, ‘a’ is 790. So: 790² = 790 × 790 = 624100

By Using a Calculator

Using a calculator to find the square of a number is the easiest method. Let’s learn how to use a calculator to find the square of 790.

Step 1: Enter the number in the calculator Enter 790 in the calculator.

Step 2: Multiply the number by itself using the multiplication button (×). That is 790 × 790.

Step 3: Press the equal to button to find the answer. Here, the square of 790 is 624100.

Tips and Tricks for the Square of 790

Tips and tricks make it easy for students to understand and learn the square of a number. To master the square of a number, these tips and tricks will help students.

  • The square of an even number is always an even number. For example, 6² = 36.
     
  • The square of an odd number is always an odd number. For example, 5² = 25.
     
  • The last digit of the square of a number is always 0, 1, 4, 5, 6, or 9.
     
  • If the square root of a number is a fraction or a decimal, then the number is not a perfect square. For example, √1.44 = 1.2.
     
  • The square root of a perfect square is always a whole number. For example, √144 = 12.

Common Mistakes to Avoid When Calculating the Square of 790

Mistakes are common among kids when doing math, especially when it is finding the square of a number. Let’s learn some common mistakes to master the squaring of a number.

Download Worksheets

Problem 1

Find the length of the square, where the area of the square is 624100 cm².

Okay, lets begin

The area of a square = a²

So, the area of a square = 624100 cm²

So, the length = √624100 = 790.

The length of each side = 790 cm

Explanation

The length of a square is 790 cm.

Because the area is 624100 cm², the length is √624100 = 790.

Well explained 👍

Problem 2

Tom is planning to paint his square wall of length 790 feet. The cost to paint a foot is 3 dollars. Then how much will it cost to paint the full wall?

Okay, lets begin

The length of the wall = 790 feet

The cost to paint 1 square foot of wall = 3 dollars.

To find the total cost to paint, we find the area of the wall,

Area of the wall = area of the square = a²

Here a = 790 Therefore, the area of the wall = 790² = 790 × 790 = 624100.

The cost to paint the wall = 624100 × 3 = 1872300.

The total cost = 1872300 dollars

Explanation

To find the cost to paint the wall, we multiply the area of the wall by the cost to paint per foot.

So, the total cost is 1872300 dollars.

Well explained 👍

Problem 3

Find the area of a circle whose radius is 790 meters.

Okay, lets begin

The area of the circle = 1,960,165.8 m²

Explanation

The area of a circle = πr²

Here, r = 790

Therefore, the area of the circle = π × 790² = 3.14 × 790 × 790 = 1960165.8 m².

Well explained 👍

Problem 4

The area of the square is 624100 cm². Find the perimeter of the square.

Okay, lets begin

The perimeter of the square is

Explanation

The area of the square = a²

Here, the area is 624100 cm²

The length of the side is √624100 = 790

Perimeter of the square = 4a

Here, a = 790

Therefore, the perimeter = 4 × 790 = 3160.

Well explained 👍

Problem 5

Find the square of 791.

Okay, lets begin

The square of 791 is 625681

Explanation

The square of 791 is multiplying 791 by 791.

So, the square = 791 × 791 = 625681

Well explained 👍

FAQs on Square of 790

1.What is the square of 790?

The square of 790 is 624100, as 790 × 790 = 624100.

2.What is the square root of 790?

The square root of 790 is approximately ±28.10.

3.Is 790 a prime number?

No, 790 is not a prime number; it is divisible by 2, 5, and other numbers.

4.What are the first few multiples of 790?

The first few multiples of 790 are 790, 1580, 2370, 3160, 3950, 4740, 5530, 6320, and so on.

5.What is the square of 789?

The square of 789 is 622521.

Important Glossaries for Square of 790.

  • Square: The result of multiplying a number by itself. For example, 5² = 25.
  • Exponential form: Exponential form is the way of writing a number in the form of a power. For example, 9² where 9 is the base and 2 is the power.
  • Square root: The square root is the inverse operation of the square. The square root of a number is a number whose square is the number itself.
  • Even number: A number that is divisible by 2 without any remainder. For example, 2, 4, 6, 8, etc.
  • Perimeter: The total distance around the edge of a two-dimensional shape. For a square, it is calculated as 4 times the length of one side.

What Is Algebra? 🧮 | Simple Explanation with 🎯 Cool Examples for Kids | ✨BrightCHAMPS Math

▶

Jaskaran Singh Saluja

About the Author

Jaskaran Singh Saluja is a math wizard with nearly three years of experience as a math teacher. His expertise is in algebra, so he can make algebra classes interesting by turning tricky equations into simple puzzles.

Fun Fact

: He loves to play the quiz with kids through algebra to make kids love it.