Select 20 unique numbers from 1 to 38
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 33,578,000,610 (~33.6 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 81,691,985,114,625,451,669,971,795,968 (~81691985114.6 million trillion)
If order does not matter (e.g. most lottery numbers): 33,578,000,610 (~33.6 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 81,691,985,114,625,451,669,971,795,968 (~81691985114.6 million trillion)