81842104367415

Names of 81842104367415

• Cardinal: 81842104367415 can be written as Eighty-one trillion, eight hundred forty-two billion, one hundred four million, three hundred sixty-seven thousand, four hundred fifteen.

Scientific notation

• Scientific notation: 8.1842104367415 × 10¹³

Factors of 81842104367415

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 724

Divisors of 81842104367415

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 243 315 405 567 709 729 945 1215 1701 2127 2187 2835 3545 3645 4963 5103 6381 6561 8505 10635 10935 14889 15309 19143 24815 25515 31905 32805 44667 45927 57429 74445 76545 95715 134001 172287 223335 229635 287145 402003 502681 516861 670005 861435 1206009 1508043 1550583 2010015 2513405 2584305 3518767 3618027 4524129 4651749 6030045 7540215 7752915 10556301 10854081 13572387 17593835 18090135 22620645 23258745 31668903 32562243 40717161 52781505 54270405 67861935 95006709 122151483 158344515 162811215 203585805 285020127 356400829 366454449 475033545 610757415 855060381 1069202487 1099363347 1425100635 1782004145 1832272245 2494805803 2565181143 3207607461 3298090041 4275301905 5346012435 5496816735 7484417409 7695543429 9622822383 12474029015 12825905715 16038037305 16490450205 22453252227 23086630287 28868467149 37422087045 38477717145 48114111915 67359756681 86605401447 112266261135 115433151435 144342335745 202079270043 259816204341 336798783405 433027007235 606237810129 779448613023 1010396350215 1299081021705 1818713430387 2338345839069 3031189050645 3897243065115 5456140291161 9093567151935 11691729195345 16368420873483 27280701455805 81842104367415
• Sum of all divisors σ(n): 168590132592960
• Sum of proper divisors (its aliquot sum) s(n): 86748028225545
• 81842104367415 is an abundant number, because the sum of its proper divisors (86748028225545) is greater than itself. Its abundance is 4905923858130

Bases of 81842104367415

• Binary: 10010100110111101011001100011101111100100110111₂
• Hexadecimal: 0x4A6F598EF937
• Base-36: T0DQRU8FR

Squares and roots of 81842104367415

• 81842104367415 squared (81842104367415²) is 6698130047286849417313782225
• 81842104367415 cubed (81842104367415³) is 548189058396568699168031744154144696198375
• The square root of 81842104367415 is 9046662.6093502017
• The cube root of 81842104367415 is 43416.9117918985

Scales and comparisons

• 81,842,104,367,415 seconds is equal to 2,602,325 years, 39 weeks, 5 days, 7 hours, 50 minutes, 15 seconds.
• To count from 1 to 81,842,104,367,415 would take you about six million, five hundred five thousand, eight hundred fourteen 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 81842104367415 cubic inches would be around 3618.1 feet tall.

Recreational maths with 81842104367415

• 81842104367415 backwards is 51476340124818
• The number of decimal digits it has is: 14
• The sum of 81842104367415's digits is 54
• More coming soon!