Factorial of 9 (9!)
RESULT: 362,880
The factorial of 9, written as 9!, is the product of all positive integers less than or equal to 9.
What Is the Formula to Calculate 9 Factorial?
The formula for calculating 9 factorial (9!) is:
9! = 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = 362,880
How Many Digits in 9 Factorial?
The number 9! has 6 digits.
Factorial Table From 1! to 9!
| n | n! |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 24 |
| 5 | 120 |
| 6 | 720 |
| 7 | 5,040 |
| 8 | 40,320 |
| 9 | 362,880 |
Frequently Asked Questions
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What is 9!?
It's the product of all positive integers from 1 to 9. Answer: 362,880.
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Is factorial defined for negative numbers?
No. Factorials are only defined for non-negative integers (0 and up).
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What is 0!?
By definition, the factorial of 0 is 1.