81013362682120

Names of 81013362682120

• Cardinal: 81013362682120 can be written as Eighty-one trillion, thirteen billion, three hundred sixty-two million, six hundred eighty-two thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.101336268212 × 10¹³

Factors of 81013362682120

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1401

Divisors of 81013362682120

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 37 40 44 55 74 88 110 127 148 185 191 220 254 271 296 370 382 407 440 508 542 635 740 757 764 814 955 1016 1084 1270 1355 1397 1480 1514 1528 1628 1910 2035 2101 2168 2540 2710 2794 2981 3028 3256 3785 3820 4070 4202 4699 5080 5420 5588 5962 6056 6985 7067 7570 7640 8140 8327 8404 9398 10027 10505 10840 11176 11924 13970 14134 14905 15140 16280 16654 16808 18796 20054 21010 23495 23848 24257 27940 28009 28268 29810 30280 33308 34417 35335 37592 40108 41635 42020 46990 48514 50135 51689 51761 55880 56018 56536 59620 66616 68834 70670 77737 80216 83270 84040 93980 96139 97028 100270 103378 103522 110297 112036 119240 121285 137668 140045 141340 144587 155474 166540 172085 187960 192278 194056 200540 205147 206756 207044 220594 224072 242570 258445 258805 266827 275336 280090 282680 289174 308099 310948 333080 344170 378587 384556 388685 401080 410294 413512 414088 441188 480695 485140 516890 517610 533654 551485 560180 569371 578348 616198 621896 688340 722935 757174 769112 777370 820588 882376 897509 961390 970280 1025735 1033780 1035220 1057529 1067308 1102970 1120360 1138742 1156696 1232396 1273429 1334135 1376680 1445870 1514348 1540495 1554740 1590457 1641176 1795018 1892935 1915157 1922780 2051470 2067560 2070440 2115058 2134616 2205940 2256617 2277484 2464792 2546858 2668270 2846855 2891740 3028696 3080990 3109480 3180914 3557143 3590036 3785870 3830314 3845560 4102940 4230116 4411880 4487545 4513234 4554968 5093716 5287645 5336540 5349719 5693710 5783480 6161980 6361828 6367145 6573647 7114286 7180072 7571740 7590439 7660628 7952285 8205880 8460232 8975090 9026468 9575785 9872599 10187432 10575290 10673080 10699438 11283085 11387420 12323960 12723656 12734290 13147294 14007719 14228572 15143480 15180878 15321256 15904570 17785715 17950180 18052936 18362549 19151570 19745198 21066727 21150580 21398876 22566170 22774840 25468580 26053669 26294588 26748595 28015438 28457144 30361756 31809140 32868235 35571430 35900360 36725098 37952195 38303140 39128573 39183077 39490396 42133454 42301160 42797752 45132340 49362995 50937160 52107338 52589176 53497190 56030876 58846909 60723512 63618280 65736470 70038595 71142860 72310117 73450196 75904390 76606280 78257146 78366154 78980792 83494829 84266908 90264680 91812745 98725990 104214676 105333635 106994380 112061752 117693818 130268345 131472940 140077190 142285720 144620234 146900392 151808780 156514292 156732308 166989658 168533816 183625490 195642865 195915385 197451980 201988039 208429352 210667270 213988760 235387636 243224939 260536690 262945880 280154380 286590359 289240468 294234545 303617560 313028584 313464616 333979316 361550585 367250980 391285730 391830770 394903960 403976078 417474145 421334540 431013847 470775272 486449878 521073380 560308760 573180718 578480936 588469090 667958632 679414313 723101170 734501960 782571460 783661540 807952156 834948290 842669080 862027694 963985753 972899756 1009940195 1042146760 1146361436 1176938180 1216124695 1358828626 1432951795 1446202340 1449773849 1565142920 1567323080 1615904312 1669896580 1724055388 1927971506 1945799512 2019880390 2155069235 2292722872 2353876360 2432249390 2675474329 2717657252 2865903590 2892404680 2899547698 3339793160 3397071565 3448110776 3855943012 4039760780 4310138470 4819928765 4864498780 4976250779 5350948658 5435314504 5731807180 5799095396 6794143130 7248869245 7473557443 7711886024 8079521560 8620276940 9639857530 9728997560 9952501558 10603843283 10701897316 11463614360 11598190792 13377371645 13588286260 14497738490 14947114886 15947512339 17240553880 19279715060 19905003116 21207686566 21403794632 24881253895 26754743290 27176572520 28995476980 29894229772 31895024678 37367787215 38559430120 39810006232 42415373132 49762507790 53019216415 53509486580 54738758569 57990953960 59788459544 63790049356 74735574430 79737561695 84830746264 99525015580 106038432830 107018973160 109477517138 127580098712 149471148860 159475123390 184121278823 199050031160 212076865660 218955034276 273693792845 298942297720 318950246780 368242557646 424153731320 437910068552 547387585690 637900493560 736485115292 920606394115 1094775171380 1472970230584 1841212788230 2025334067053 2189550342760 3682425576460 4050668134106 7364851152920 8101336268212 10126670335265 16202672536424 20253340670530 40506681341060 81013362682120
• Sum of all divisors σ(n): 207948915671040
• Sum of proper divisors (its aliquot sum) s(n): 126935552988920
• 81013362682120 is an abundant number, because the sum of its proper divisors (126935552988920) is greater than itself. Its abundance is 45922190306800

Bases of 81013362682120

• Binary: 10010011010111001100100101101000110100100001000₂
• Hexadecimal: 0x49AE64B46908
• Base-36: SPT0WFRIG

Squares and roots of 81013362682120

• 81013362682120 squared (81013362682120²) is 6563164933064713440167694400
• 81013362682120 cubed (81013362682120³) is 531704061064943463496673098939760504128000
• The square root of 81013362682120 is 9000742.3406139119
• The cube root of 81013362682120 is 43269.8662774753

Scales and comparisons

• 81,013,362,682,120 seconds is equal to 2,575,974 years, 17 weeks, 5 days, 16 hours, 8 minutes, 40 seconds.
• To count from 1 to 81,013,362,682,120 would take you about six million, four hundred thirty-nine thousand, nine hundred thirty-five 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 81013362682120 cubic inches would be around 3605.8 feet tall.

Recreational maths with 81013362682120

• 81013362682120 backwards is 02128626331018
• The number of decimal digits it has is: 14
• The sum of 81013362682120's digits is 43
• More coming soon!