81327426364860

Names of 81327426364860

• Cardinal: 81327426364860 can be written as Eighty-one trillion, three hundred twenty-seven billion, four hundred twenty-six million, three hundred sixty-four thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 8.132742636486 × 10¹³

Factors of 81327426364860

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 106

Divisors of 81327426364860

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 83 130 156 166 169 195 249 260 332 338 390 415 498 507 676 780 830 845 996 1014 1079 1245 1660 1690 2028 2158 2197 2490 2535 3237 3380 4316 4394 4980 5070 5395 6474 6591 6889 8788 10140 10790 10985 12948 13182 13778 14027 16185 20667 21580 21970 26364 27556 28054 28561 32370 32955 34445 41334 42081 43940 56108 57122 64740 65910 68890 70135 82668 84162 85683 89557 103335 114244 131820 137780 140270 142805 168324 171366 179114 182351 206670 210405 268671 280540 285610 342732 358228 364702 413340 420810 428415 447785 537342 547053 571220 571787 729404 841620 856830 895570 911755 1074684 1094106 1143574 1164241 1343355 1713660 1715361 1791140 1823510 2188212 2287148 2328482 2370563 2686710 2735265 2858935 3430722 3492723 3647020 4656964 4741126 5373420 5470530 5717870 5821205 6861444 6985446 7111689 7433231 8576805 9482252 10941060 11435740 11642410 11852815 13970892 14223378 14866462 15135133 17153610 17463615 22299693 23284820 23705630 28446756 29732924 30270266 34307220 34927230 35558445 37166155 44599386 45405399 47411260 47458321 60540532 69854460 71116890 74332310 75675665 89198772 90810798 94916642 96632003 111498465 142233780 142374963 148664620 151351330 181621596 189833284 193264006 196756729 222996930 227026995 237291605 284749926 289896009 302702660 386528012 393513458 445993860 454053990 474583210 483160015 569499852 579792018 590270187 616958173 711874815 787026916 908107980 949166420 966320030 983783645 1159584036 1180540374 1233916346 1256216039 1423749630 1449480045 1850874519 1932640060 1967567290 2361080748 2467832692 2512432078 2847499260 2898960090 2951350935 3084790865 3701749038 3768648117 3935134580 5024864156 5797920180 5902701870 6169581730 6281080195 7403498076 7537296234 8020456249 9254372595 11805403740 12339163460 12562160390 15074592468 16040912498 16330808507 18508745190 18843240585 24061368747 25124320780 32081824996 32661617014 37017490380 37686481170 40102281245 48122737494 48992425521 65323234028 75372962340 80204562490 81654042535 96245474988 97984851042 104265931237 120306843735 160409124980 163308085070 195969702084 208531862474 240613687470 244962127605 312797793711 326616170140 417063724948 481227374940 489924255210 521329656185 625595587422 979848510420 1042659312370 1251191174844 1355457106081 1563988968555 2085318624740 2710914212162 3127977937110 4066371318243 5421828424324 6255955874220 6777285530405 8132742636486 13554571060810 16265485272972 20331856591215 27109142121620 40663713182430 81327426364860
• Sum of all divisors σ(n): 249700974301128
• Sum of proper divisors (its aliquot sum) s(n): 168373547936268
• 81327426364860 is an abundant number, because the sum of its proper divisors (168373547936268) is greater than itself. Its abundance is 87046121571408

Bases of 81327426364860

• Binary: 10010011111011110000100010110111110010110111100₂
• Hexadecimal: 0x49F7845BE5BC
• Base-36: STTAXUG1O

Squares and roots of 81327426364860

• 81327426364860 squared (81327426364860²) is 6614150279131725433842819600
• 81327426364860 cubed (81327426364860³) is 537911819792203615317171148442240759256000
• The square root of 81327426364860 is 9018172.0079437383
• The cube root of 81327426364860 is 43325.7087956235

Scales and comparisons

• 81,327,426,364,860 seconds is equal to 2,585,960 years, 31 weeks, 1 minute.
• To count from 1 to 81,327,426,364,860 would take you about six million, four hundred sixty-four thousand, nine hundred one 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 81327426364860 cubic inches would be around 3610.5 feet tall.

Recreational maths with 81327426364860

• 81327426364860 backwards is 06846362472318
• 81327426364860 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81327426364860's digits is 60
• More coming soon!