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What is 13!?

This is a direct factorial evaluation question, so you multiply each whole number from 13 down to 1.

Exact result

6,227,020,800

13! is 6,227,020,800.

13! means 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, which evaluates to 6,227,020,800.

Worked steps

Show your work

  1. Input: n = 13
  2. Formula: n!
  3. Substitute: 13!
  4. Steps: multiply every whole number from 1 through 13
  5. Result: 13! is 6,227,020,800.

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13! means 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, which evaluates to 6,227,020,800.

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