Last updated on May 30th, 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 this topic, we will discuss the square of 891.
The square of a number is the product of the number itself.
The square of 891 is 891 × 891.
The square of a number always ends in 0, 1, 4, 5, 6, or 9.
We write it in math as 891², where 891 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 891 is 891 × 891 = 793,881.
Square of 891 in exponential form: 891²
Square of 891 in arithmetic form: 891 × 891
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.
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 891.
Step 1: Identify the number. Here, the number is 891.
Step 2: Multiplying the number by itself, we get, 891 × 891 = 793,881.
The square of 891 is 793,881.
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 891
So: 891² = 891 × 891 = 793,881
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 891.
Step 1: Enter the number in the calculator Enter 891 in the calculator.
Step 2: Multiply the number by itself using the multiplication button(×) That is 891 × 891
Step 3: Press the equal to button to find the answer
Here, the square of 891 is 793,881.
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.
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.
Find the length of a square, where the area of the square is 793,881 cm².
The area of a square = a² So, the area of a square = 793,881 cm² So, the length = √793,881 = 891. The length of each side = 891 cm
The length of a square is 891 cm.
Because the area is 793,881 cm² the length is √793,881 = 891.
Lisa is planning to tile her square patio of length 891 feet. The cost to tile a square foot is 5 dollars. Then how much will it cost to tile the full patio?
The length of the patio = 891 feet The cost to tile 1 square foot of patio = 5 dollars. To find the total cost to tile, we find the area of the patio, Area of the patio = area of the square = a² Here a = 891 Therefore, the area of the patio = 891² = 891 × 891 = 793,881. The cost to tile the patio = 793,881 × 5 = 3,969,405. The total cost = 3,969,405 dollars
To find the cost to tile the patio, we multiply the area of the patio by cost to tile per foot.
So, the total cost is 3,969,405 dollars.
Find the area of a circle whose radius is 891 meters.
The area of the circle = 2,495,806.66 m²
The area of a circle = πr²
Here, r = 891
Therefore, the area of the circle = π × 891² = 3.14 × 891 × 891 = 2,495,806.66 m².
The area of the square is 793,881 cm². Find the perimeter of the square.
The perimeter of the square is 3,564 cm.
The area of the square = a²
Here, the area is 793,881 cm²
The length of the side is √793,881 = 891
Perimeter of the square = 4a
Here, a = 891
Therefore, the perimeter = 4 × 891 = 3,564 cm.
Find the square of 892.
The square of 892 is 796,864.
The square of 892 is multiplying 892 by 892.
So, the square = 892 × 892 = 796,864.
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.
: He loves to play the quiz with kids through algebra to make kids love it.