13 Factorial

Maintained by Sergey Melnichenko · Lead Developer

Inputs

Result

Your result

6,227,020,800

13! = 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

= 6,227,020,800

Introduction

13! = 6,227,020,800.

13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 6,227,020,800.

Enter a whole number n. The widget expands n x (n-1) x ... x 1 and lists each k! up to n. For n of 11 through 20, Calculate opens that n page.

n! = 1 x 2 x ... x n (0! = 1)

13! = 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 6,227,020,800.