81446615830944

Names of 81446615830944

• Cardinal: 81446615830944 can be written as Eighty-one trillion, four hundred forty-six billion, six hundred fifteen million, eight hundred thirty thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 8.1446615830944 × 10¹³

Factors of 81446615830944

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4298607

Divisors of 81446615830944

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 72 78 84 91 96 104 108 112 117 126 144 156 168 182 189 208 216 224 234 241 252 273 288 312 336 351 364 378 416 432 468 482 504 546 624 672 702 723 728 756 819 864 936 964 1008 1092 1248 1404 1446 1456 1512 1638 1687 1872 1928 2016 2169 2184 2457 2808 2892 2912 3024 3133 3276 3374 3744 3856 4338 4368 4914 5061 5616 5784 6048 6266 6507 6552 6748 7712 8676 8736 9399 9828 10122 11232 11568 12532 13014 13104 13496 15183 17352 18798 19656 20244 21931 23136 25064 26028 26208 26992 28197 30366 34704 37596 39312 40488 43862 45549 50128 52056 53984 56394 60732 65793 69408 75192 78624 80976 84591 87724 91098 100256 104112 112788 121464 131586 150384 161952 169182 175448 182196 197379 208224 225576 242928 263172 300768 338364 350896 364392 394758 451152 485856 526344 592137 676728 701792 728784 789516 902304 1052688 1184274 1353456 1457568 1579032 2105376 2368548 2706912 3158064 4298341 4737096 6316128 8596682 9474192 12895023 17193364 18948384 25790046 30088387 34386728 38685069 51580092 55878433 60176774 68773456 77370138 90265161 103160184 111756866 116055207 120353548 137546912 154740276 167635299 180530322 206320368 223513732 232110414 240707096 270795483 309480552 335270598 361060644 391149031 412640736 447027464 464220828 481414192 502905897 541590966 618961104 670541196 722121288 782298062 812386449 894054928 928441656 962828384 1005811794 1035900181 1083181932 1173447093 1237922208 1341082392 1444242576 1508717691 1564596124 1624772898 1788109856 1856883312 2011623588 2071800362 2166363864 2346894186 2682164784 2888485152 3017435382 3107700543 3129192248 3249545796 3520341279 3713766624 4023247176 4143600724 4332727728 4693788372 5364329568 6034870764 6215401086 6258384496 6499091592 7040682558 7251301267 8046494352 8287201448 8665455456 9323101629 9387576744 10561023837 12069741528 12430802172 12516768992 12998183184 13466702353 14081365116 14502602534 16092988704 16574402896 18646203258 18775153488 21122047674 21753903801 24139483056 24861604344 25996366368 26933404706 27969304887 28162730232 29005205068 33148805792 37292406516 37550306976 40400107059 42244095348 43507807602 48278966112 49723208688 53866809412 55938609774 56325460464 58010410136 65261711403 74584813032 80800214118 84488190696 87015615204 94266916471 99446417376 107733618824 111877219548 112650920928 116020820272 121200321177 130523422806 149169626064 161600428236 168976381392 174031230408 188533832942 195785134209 215467237648 223754439096 232041640544 242400642354 261046845612 282800749413 298339252128 323200856472 337952762784 348062460816 363600963531 377067665884 391570268418 430934475296 447508878192 484801284708 522093691224 565601498826 646401712944 696124921632 727201927062 754135331768 783140536836 848402248239 895017756384 969602569416 1044187382448 1131202997652 1292803425888 1454403854124 1508270663536 1566281073672 1696804496478 1939205138832 2088374764896 2262405995304 2545206744717 2908807708248 3016541327072 3132562147344 3393608992956 3878410277664 4524811990608 5090413489434 5817615416496 6265124294688 6787217985912 9049623981216 10180826978868 11635230832992 13574435971824 20361653957736 27148871943648 40723307915472 81446615830944
• Sum of all divisors σ(n): 293585699151360
• Sum of proper divisors (its aliquot sum) s(n): 212139083320416
• 81446615830944 is an abundant number, because the sum of its proper divisors (212139083320416) is greater than itself. Its abundance is 130692467489472

Bases of 81446615830944

• Binary: 10010100001001101000100100110101101000110100000₂
• Hexadecimal: 0x4A13449AD1A0
• Base-36: SVC246CO0

Squares and roots of 81446615830944

• 81446615830944 squared (81446615830944²) is 6633551230313377799587931136
• 81446615830944 cubed (81446615830944³) is 540280298650219604514104788181098489872384
• The square root of 81446615830944 is 9024777.8826375555
• The cube root of 81446615830944 is 43346.8638052599

Scales and comparisons

• 81,446,615,830,944 seconds is equal to 2,589,750 years, 23 weeks, 3 days, 17 hours, 2 minutes, 24 seconds.
• To count from 1 to 81,446,615,830,944 would take you about six million, four hundred seventy-four thousand, three hundred seventy-six 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 81446615830944 cubic inches would be around 3612.2 feet tall.

Recreational maths with 81446615830944

• 81446615830944 backwards is 44903851664418
• 81446615830944 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81446615830944's digits is 63
• More coming soon!