81995590116440

Names of 81995590116440

• Cardinal: 81995590116440 can be written as Eighty-one trillion, nine hundred ninety-five billion, five hundred ninety million, one hundred sixteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 8.199559011644 × 10¹³

Factors of 81995590116440

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8551

Divisors of 81995590116440

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 20 22 26 28 35 40 44 52 55 56 65 70 77 88 91 104 110 130 131 140 143 154 182 220 260 262 280 286 308 364 385 440 455 520 524 572 616 655 715 728 770 910 917 1001 1048 1144 1310 1430 1441 1540 1703 1820 1834 2002 2620 2801 2860 2882 3080 3406 3640 3668 4004 4585 5005 5240 5581 5602 5720 5764 6812 7205 7336 8008 8515 9170 10010 10087 11162 11204 11528 11921 13624 14005 14410 17030 18340 18733 19607 20020 20174 22324 22408 23842 27905 28010 28820 30811 34060 36413 36680 37466 39067 39214 40040 40348 44648 47684 50435 55810 56020 57640 59605 61391 61622 68120 72553 72826 74932 78134 78428 80696 93665 95368 98035 100870 111620 112040 119210 122782 123244 131131 145106 145652 149864 154055 156268 156856 182065 187330 195335 196070 201740 215677 223240 238420 245564 246488 254891 262262 290212 291304 306955 308110 312536 362765 364130 366931 374660 390670 392140 400543 403480 429737 431354 476840 491128 507871 509782 524524 580424 613910 616220 655655 725530 728260 731111 733862 749320 781340 784280 798083 801086 859474 862708 1015742 1019564 1049048 1078385 1227820 1232440 1274455 1311310 1451060 1456520 1462222 1467724 1562680 1596166 1602172 1718948 1725416 1834655 2002715 2031484 2039128 2148685 2156770 2455640 2539355 2548910 2568517 2622620 2803801 2902120 2924444 2935448 3192332 3204344 3437896 3655555 3669310 3990415 4005430 4036241 4062968 4297370 4313540 4770103 5078710 5097820 5117777 5137034 5245240 5586581 5607602 5848888 6384664 7311110 7338620 7980830 8010860 8042221 8072482 8594740 8627080 9504443 9540206 10157420 10195640 10235554 10274068 11173162 11215204 12842585 14019005 14622220 14677240 15632381 15961660 16021720 16084442 16144964 17189480 19008886 19080412 20181205 20314840 20471108 20548136 22346324 22430408 23850515 25588885 25685170 27932905 28038010 28253687 29244440 31264762 31923320 32168884 32289928 33390721 38017772 38160824 40211105 40362410 40942216 44692648 47522215 47701030 51177770 51370340 52471133 55865810 56076020 56295547 56507374 62529524 64337768 66531101 66781442 76035544 78161905 80422210 80724820 95044430 95402060 102355540 102740680 104548873 104942266 109426667 111731620 112152040 112591094 113014748 125059048 133062202 133562884 141268435 156323810 160844420 161449640 166953605 171956191 190088860 190804120 203220953 204711080 209097746 209884532 218853334 223463240 225182188 226029496 262355665 266124404 267125768 281477735 282536870 312647620 321688840 332655505 333907210 343912382 367297931 380177720 406441906 418195492 419769064 437706668 450364376 522744365 524711330 532248808 547133335 562955470 565073740 625295240 665311010 667814420 687824764 731842111 734595862 812883812 836390984 859780955 875413336 1016104765 1045488730 1049422660 1094266670 1125910940 1130147480 1203693337 1330622020 1335628840 1375649528 1422546671 1463684222 1469191724 1625767624 1719561910 1836489655 2032209530 2047841911 2090977460 2098845320 2188533340 2235430483 2251821880 2407386674 2661244040 2845093342 2927368444 2938383448 3439123820 3659210555 3672979310 4064419060 4095683822 4181954920 4377066680 4470860966 4814773348 5690186684 5854736888 6018466685 6878247640 7112733355 7318421110 7345958620 8128838120 8191367644 8941721932 9629546696 10239209555 11177152415 11380373368 12036933370 14225466710 14334893377 14636842220 14691917240 15648013381 16382735288 17883443864 20478419110 22354304830 22526261021 24073866740 26621944843 28450933420 28669786754 29273684440 31296026762 40956838220 44708609660 45052522042 48147733480 53243889686 56901866840 57339573508 62592053524 71674466885 78240066905 81913676440 89417219320 90105044084 106487779372 112631305105 114679147016 125184107048 133109724215 143348933770 156480133810 157683827147 180210088168 186353613901 212975558744 225262610210 266219448430 286697867540 292841393273 312960267620 315367654294 372707227802 450525220420 532438896860 573395735080 585682786546 625920535240 630735308588 745414455604 788419135735 901050440840 931768069505 1064877793720 1171365573092 1261470617176 1464206966365 1490828911208 1576838271470 1863536139010 2049889752911 2342731146184 2928413932730 3153676542940 3727072278020 4099779505822 5856827865460 6307353085880 7454144556040 8199559011644 10249448764555 11713655730920 16399118023288 20498897529110 40997795058220 81995590116440
• Sum of all divisors σ(n): 249731699374080
• Sum of proper divisors (its aliquot sum) s(n): 167736109257640
• 81995590116440 is an abundant number, because the sum of its proper divisors (167736109257640) is greater than itself. Its abundance is 85740519141200

Bases of 81995590116440

• Binary: 10010101001001100010110000001011010010001011000₂
• Hexadecimal: 0x4A931605A458
• Base-36: T2C95AIC8

Squares and roots of 81995590116440

• 81995590116440 squared (81995590116440²) is 6723276798543233012758273600
• 81995590116440 cubed (81995590116440³) is 551279048612721881810966223218997377984000
• The square root of 81995590116440 is 9055141.6397779223
• The cube root of 81995590116440 is 43444.0360365097

Scales and comparisons

• 81,995,590,116,440 seconds is equal to 2,607,206 years, 7 weeks, 18 hours, 7 minutes, 20 seconds.
• To count from 1 to 81,995,590,116,440 would take you about six million, five hundred eighteen thousand and fifteen 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 81995590116440 cubic inches would be around 3620.3 feet tall.

Recreational maths with 81995590116440

• 81995590116440 backwards is 04461109559918
• The number of decimal digits it has is: 14
• The sum of 81995590116440's digits is 62
• More coming soon!