Factorial of 9

Professor Greenline Explaining Math Concepts

Factorial is the process of taking a number and multiplying it by all the lesser, natural numbers. The factorial of a number n is denoted by n!. In this topic, we will learn about the factorial of 9.

Factorial of 9 for US Students

What is the Factorial of 9?

We write the factorial of a number using an exclamation mark (!) after it.

If n is a natural number greater than or equal to 1, then: n! = n × (n - 1) × (n - 2) × (n - 3) × … × 3 × 2 × 1

To find the factorial of 9, we write it as: 9! = 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = 362,880.

Therefore, the factorial of 9 is 362,880.

Important Glossaries of Factorial of 9

Factorial: The way of multiplying all the natural numbers smaller than the original number is known as factorial, and it is expressed with an exclamation mark (!).

Natural numbers: Counting numbers from 1, 2, 3, and so on.

Permutation: An arrangement of all the members of a set into a particular sequence or order, often calculated using factorials.

Exponential growth: A process that increases quantity over time, sometimes illustrated with factorials for discrete quantities.

Hundred thousand: A number represented as 100,000, which is useful in understanding the scale of factorial numbers like 9!.

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.