Factorial of 13 (13!)

13! (the factorial of 13) is 6,227,020,800.

Answer

13! (the factorial of 13) is 6,227,020,800.

The factorial of a whole number n is the product of every whole number from n down to 1.

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

Size of the number

13! has 10 digits. Factorials grow very quickly: each step multiplies by a bigger number than the last, so 13! is 13 times larger than 12! (479,001,600).

How to find 13! on a scientific calculator

Type 13.
Press the n! key (it may be under the 2nd or Shift key).
Press = if needed to see 6,227,020,800.

Many calculators show the result in scientific notation for large factorials.

Quick results

13!	= 6,227,020,800
12!	= 479,001,600
13! ÷ 12!	= 13

Factorials from 1 to 20

n	n!	Digits
1!	1	1 digits
2!	2	1 digits
3!	6	1 digits
4!	24	2 digits
5!	120	3 digits
6!	720	3 digits
7!	5,040	4 digits
8!	40,320	5 digits
9!	362,880	6 digits
10!	3,628,800	7 digits
11!	39,916,800	8 digits
12!	479,001,600	9 digits
13!	6,227,020,800	10 digits
14!	87,178,291,200	11 digits
15!	1,307,674,368,000	13 digits
16!	20,922,789,888,000	14 digits
17!	355,687,428,096,000	15 digits
18!	6,402,373,705,728,000	16 digits
19!	121,645,100,408,832,000	18 digits
20!	2,432,902,008,176,640,000	19 digits

Frequently Asked Questions

What is the factorial of 13?

13! (the factorial of 13) is 6,227,020,800.

How do you calculate 13!?

Multiply all whole numbers from 13 down to 1: 13 × 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = 6,227,020,800.

How many digits does 13! have?

13! has 10 digits.

What is 0 factorial?

0! is defined as 1, which keeps formulas for permutations and combinations consistent.

Is there an online scientific calculator I can use for this?

Yes. Use the calculator on this page, or open the full free Scientific Calculator with memory, history and keyboard support.