Permutations (nPr): 1,303,995,018,204,712,125,238,191,395,448,725,438,464

For n = 100, r = 20, the permutations (npr) is 1,303,995,018,204,712,125,238,191,395,448,725,438,464.

Permutations (nPr)
1,303,995,018,204,712,125,238,191,395,448,725,438,464

Formula

nPr = n! ÷ (n - r)!

Frequently Asked Questions

What is the permutations (npr) for n = 100, r = 20?

1,303,995,018,204,712,125,238,191,395,448,725,438,464.