81042604663360

Names of 81042604663360

• Cardinal: 81042604663360 can be written as Eighty-one trillion, forty-two billion, six hundred four million, six hundred sixty-three thousand, three hundred sixty.

Scientific notation

• Scientific notation: 8.104260466336 × 10¹³

Factors of 81042604663360

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3325100

Divisors of 81042604663360

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 152 160 190 211 304 320 361 380 422 608 722 760 844 1055 1216 1444 1520 1688 1805 2110 2888 3040 3376 3610 4009 4220 5776 6080 6752 7220 8018 8440 11552 13504 14440 16036 16880 20045 23104 28880 32072 33760 40090 57760 64144 67520 76171 80180 115520 128288 152342 160360 256576 304684 320720 380855 609368 641440 761710 1218736 1282880 1523420 2437472 3046840 3324863 4874944 6093680 6649726 12187360 13299452 16624315 24374720 26598904 33248630 53197808 63172397 66497260 106395616 126344794 132994520 212791232 252689588 265989040 315861985 505379176 531978080 631723970 701546093 1010758352 1063956160 1200275543 1263447940 1403092186 2021516704 2400551086 2526895880 2806184372 3507730465 4043033408 4801102172 5053791760 5612368744 6001377715 7015460930 9602204344 10107583520 11224737488 12002755430 13329375767 14030921860 19204408688 20215167040 22449474976 24005510860 26658751534 28061843720 38408817376 44898949952 48011021720 53317503068 56123687440 66646878835 76817634752 96022043440 106635006136 112247374880 133293757670 192044086880 213270012272 224494749760 253258139573 266587515340 384088173760 426540024544 506516279146 533175030680 853080049088 1013032558292 1066350061360 1266290697865 2026065116584 2132700122720 2532581395730 4052130233168 4265400245440 5065162791460 8104260466336 10130325582920 16208520932672 20260651165840 40521302331680 81042604663360
• Sum of all divisors σ(n): 204639607236096
• Sum of proper divisors (its aliquot sum) s(n): 123597002572736
• 81042604663360 is an abundant number, because the sum of its proper divisors (123597002572736) is greater than itself. Its abundance is 42554397909376

Bases of 81042604663360

• Binary: 10010011011010100110011101010011010001001000000₂
• Hexadecimal: 0x49B533A9A240
• Base-36: SQ6GICWN4

Squares and roots of 81042604663360

• 81042604663360 squared (81042604663360²) is 6567903770621660018926489600
• 81042604663360 cubed (81042604663360³) is 532280028749482672016076391917994541056000
• The square root of 81042604663360 is 9002366.6145830787
• The cube root of 81042604663360 is 43275.0717743187

Scales and comparisons

• 81,042,604,663,360 seconds is equal to 2,576,904 years, 7 weeks, 4 days, 12 hours, 42 minutes, 40 seconds.
• To count from 1 to 81,042,604,663,360 would take you about six million, four hundred forty-two thousand, two hundred sixty 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 81042604663360 cubic inches would be around 3606.3 feet tall.

Recreational maths with 81042604663360

• 81042604663360 backwards is 06336640624018
• The number of decimal digits it has is: 14
• The sum of 81042604663360's digits is 49
• More coming soon!