Factorial Calculator
Use our factorial calculator to calculate the factorial of any positive number.
10!3,628,800
Digits7
Scientific notation3.62880000e+6
Trailing zeros2one for each factor of 5
Nearby factorials
| 4! | 24 |
| 5! | 120 |
| 6! | 720 |
| 7! | 5,040 |
| 8! | 40,320 |
| 9! | 362,880 |
| 10! | 3,628,800 |
The method
n! = n × (n−1) × … × 2 × 1, with 0! = 1