Select 5 unique numbers from 1 to 100000000000000000000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 83,333,333,333,333,330,611,347,400,343,057,606,154,127,765,483,879,622,743,163,481,622,607,987,160,143,988,550,728,322,371,289,088 (~8.3333333333333E+79 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 10,000,000,000,000,000,159,028,911,097,599,180,468,360,808,563,945,281,389,781,327,557,747,838,772,170,381,060,813,469,985,856,815,104 (~1.0E+82 million trillion)
If order does not matter (e.g. most lottery numbers): 83,333,333,333,333,330,611,347,400,343,057,606,154,127,765,483,879,622,743,163,481,622,607,987,160,143,988,550,728,322,371,289,088 (~8.3333333333333E+79 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 10,000,000,000,000,000,159,028,911,097,599,180,468,360,808,563,945,281,389,781,327,557,747,838,772,170,381,060,813,469,985,856,815,104 (~1.0E+82 million trillion)