72420040416

Names of 72420040416

• Cardinal: 72420040416 can be written as Seventy-two billion, four hundred twenty million, forty thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 7.2420040416 × 10¹⁰

Factors of 72420040416

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 598

Divisors of 72420040416

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 131 186 248 262 372 393 431 496 524 744 786 862 992 1048 1293 1488 1572 1724 2096 2586 2976 3144 3448 4061 4192 5172 6288 6896 8122 10344 12183 12576 13361 13792 16244 20688 24366 26722 32488 40083 41376 48732 53444 56461 64976 80166 97464 106888 112922 129952 160332 169383 185761 194928 213776 225844 320664 338766 371522 389856 427552 451688 557283 641328 677532 743044 903376 1114566 1282656 1355064 1486088 1750291 1806752 2229132 2710128 2972176 3500582 4458264 5250873 5420256 5758591 5944352 7001164 8916528 10501746 11517182 14002328 17275773 17833056 21003492 23034364 24334691 28004656 34551546 42006984 46068728 48669382 56009312 69103092 73004073 84013968 92137456 97338764 138206184 146008146 168027936 184274912 194677528 276412368 292016292 389355056 552824736 584032584 754375421 778710112 1168065168 1508750842 2263126263 2336130336 3017501684 4526252526 6035003368 9052505052 12070006736 18105010104 24140013472 36210020208 72420040416
• Sum of all divisors σ(n): 198192766464
• Sum of proper divisors (its aliquot sum) s(n): 125772726048
• 72420040416 is an abundant number, because the sum of its proper divisors (125772726048) is greater than itself. Its abundance is 53352685632

Bases of 72420040416

• Binary: 1000011011100100100100001111011100000₂
• Hexadecimal: 0x10DC921EE0
• Base-36: X9P0STC

Squares and roots of 72420040416

• 72420040416 squared (72420040416²) is 5244662253855073453056
• 72420040416 cubed (72420040416³) is 379818652392454071276964198711296
• The square root of 72420040416 is 269109.7181745765
• The cube root of 72420040416 is 4168.2419581195

Scales and comparisons

• 72,420,040,416 seconds is equal to 2,302 years, 38 weeks, 21 hours, 53 minutes, 36 seconds.
• To count from 1 to 72,420,040,416 would take you about four thousand, six hundred five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 72420040416 cubic inches would be around 347.4 feet tall.

Recreational maths with 72420040416

• 72420040416 backwards is 61404002427
• The number of decimal digits it has is: 11
• The sum of 72420040416's digits is 30
• More coming soon!