81930671667376

Names of 81930671667376

• Cardinal: 81930671667376 can be written as Eighty-one trillion, nine hundred thirty billion, six hundred seventy-one million, six hundred sixty-seven thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 8.1930671667376 × 10¹³

Factors of 81930671667376

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5668

Divisors of 81930671667376

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 49 56 62 98 112 124 196 217 248 392 434 496 784 839 868 1519 1678 1736 3038 3356 3472 4789 5873 6076 6712 9578 11746 12152 13424 19156 23492 24304 26009 33523 38312 41111 46984 52018 67046 76624 82222 93968 104036 134092 148459 164444 182063 208072 234661 268184 296918 328888 364126 416144 469322 536368 593836 657776 703921 728252 938644 1039213 1187672 1274441 1407842 1456504 1877288 2078426 2375344 2548882 2815684 2913008 3754576 4017971 4156852 4927447 5097764 5631368 7274491 8035942 8313704 9854894 10195528 11262736 14548982 16071884 16627408 19709788 20391056 21821551 28125797 29097964 32143768 34492129 39419576 43643102 56251594 58195928 64287536 68984258 78839152 87286204 112503188 116391856 124557101 137968516 152750857 174572408 196880579 225006376 249114202 275937032 305501714 349144816 393761158 450012752 498228404 551874064 611003428 787522316 871899707 996456808 1069255999 1222006856 1575044632 1743799414 1992913616 2138511998 2444013712 3150089264 3371077669 3487598828 4277023996 6103297949 6742155338 6975197656 8554047992 12206595898 13484310676 13950395312 17108095984 23597543683 24413191796 26968621352 47195087366 48826383592 53937242704 94390174732 97652767184 104503407739 165182805781 188780349464 209006815478 330365611562 377560698928 418013630956 660731223124 731523854173 836027261912 1321462446248 1463047708346 1672054523824 2642924892496 2926095416692 5120666979211 5852190833384 10241333958422 11704381666768 20482667916844 40965335833688 81930671667376
• Sum of all divisors σ(n): 190881528663360
• Sum of proper divisors (its aliquot sum) s(n): 108950856995984
• 81930671667376 is an abundant number, because the sum of its proper divisors (108950856995984) is greater than itself. Its abundance is 27020185328608

Bases of 81930671667376

• Binary: 10010101000001111111000100101001011100010110000₂
• Hexadecimal: 0x4A83F894B8B0
• Base-36: T1IFIIUGG

Squares and roots of 81930671667376

• 81930671667376 squared (81930671667376²) is 6712634959867368423982725376
• 81930671667376 cubed (81930671667376³) is 549970690919843034957562051788302626533376
• The square root of 81930671667376 is 9051556.3118933309
• The cube root of 81930671667376 is 43432.5676795917

Scales and comparisons

• 81,930,671,667,376 seconds is equal to 2,605,141 years, 48 weeks, 2 days, 19 hours, 36 minutes, 16 seconds.
• To count from 1 to 81,930,671,667,376 would take you about six million, five hundred twelve thousand, eight hundred fifty-four 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 81930671667376 cubic inches would be around 3619.4 feet tall.

Recreational maths with 81930671667376

• 81930671667376 backwards is 67376617603918
• The number of decimal digits it has is: 14
• The sum of 81930671667376's digits is 70
• More coming soon!