81436993310400

Names of 81436993310400

• Cardinal: 81436993310400 can be written as Eighty-one trillion, four hundred thirty-six billion, nine hundred ninety-three million, three hundred ten thousand, four hundred.

Scientific notation

• Scientific notation: 8.14369933104 × 10¹³

Factors of 81436993310400

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 8095

Divisors of 81436993310400

• Number of divisors d(n): 2016
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 17 20 21 24 25 26 28 30 32 34 35 37 39 40 42 48 50 51 52 56 60 64 65 68 70 74 75 78 80 84 85 91 96 100 102 104 105 111 112 119 120 130 136 140 148 150 156 160 168 170 175 182 185 192 195 200 204 208 210 221 222 224 238 240 255 259 260 272 273 280 296 300 312 320 325 336 340 350 357 364 370 390 400 408 416 420 425 442 444 448 455 476 480 481 510 518 520 525 544 546 555 560 592 595 600 624 629 650 663 672 680 700 714 728 740 777 780 800 816 832 840 850 884 888 910 925 952 960 962 975 1020 1036 1040 1050 1088 1092 1105 1110 1120 1184 1190 1200 1248 1258 1275 1295 1300 1326 1344 1360 1365 1369 1400 1428 1443 1456 1480 1547 1554 1560 1600 1632 1680 1700 1768 1776 1785 1820 1850 1887 1904 1924 1950 2040 2072 2080 2100 2184 2210 2220 2240 2275 2368 2380 2400 2405 2496 2516 2550 2590 2600 2652 2720 2730 2738 2775 2800 2856 2886 2912 2960 2975 3094 3108 3120 3145 3264 3315 3360 3367 3400 3536 3552 3570 3640 3700 3774 3808 3848 3885 3900 4080 4107 4144 4160 4200 4368 4403 4420 4440 4550 4641 4760 4800 4810 5032 5100 5180 5200 5304 5440 5460 5476 5525 5550 5600 5712 5772 5824 5920 5950 6188 6216 6240 6290 6475 6630 6720 6734 6800 6825 6845 7072 7104 7140 7215 7280 7400 7548 7616 7696 7735 7770 7800 8011 8160 8177 8214 8288 8400 8736 8806 8840 8880 8925 9100 9282 9435 9520 9583 9620 10064 10101 10200 10360 10400 10608 10920 10952 11050 11100 11200 11424 11544 11840 11900 12025 12376 12432 12480 12580 12950 13209 13260 13468 13600 13650 13690 14144 14280 14430 14560 14800 15096 15392 15470 15540 15600 15725 16022 16320 16354 16428 16575 16576 16800 16835 17472 17612 17680 17760 17797 17850 18200 18564 18870 19040 19166 19240 19425 20128 20202 20400 20535 20720 20800 21216 21840 21904 22015 22100 22200 22848 23088 23205 23273 23800 24033 24050 24531 24752 24864 25160 25900 26418 26520 26936 27200 27300 27380 28560 28749 28860 29120 29600 30192 30784 30940 31080 31200 31450 32044 32708 32856 33150 33600 33670 34225 35224 35360 35520 35594 35700 36075 36400 37128 37740 38080 38332 38480 38675 38850 40055 40256 40404 40800 40885 41070 41440 42432 43680 43808 44030 44200 44400 46176 46410 46546 47175 47600 47915 48066 48100 49062 49504 49728 50320 50505 51800 52836 53040 53391 53872 54600 54760 56077 57120 57239 57498 57720 59200 60384 61880 62160 62400 62900 64088 65416 65712 66045 66300 67340 68450 69819 70448 70720 71188 71400 72150 72800 74256 75480 76664 76960 77350 77700 80110 80808 81600 81770 82140 82880 84175 87360 87616 88060 88400 88800 88985 92352 92820 93092 94350 95200 95830 96132 96200 98124 99008 100640 101010 102675 103600 104143 105672 106080 106782 107744 109200 109520 110075 112154 114240 114478 114996 115440 116025 116365 120165 120768 122655 123760 124320 124579 125800 128176 130832 131424 132090 132600 134680 136187 136900 139638 140896 142376 142800 143745 144300 145600 148512 150960 153328 153920 154700 155400 160220 161616 162911 163540 164280 168231 168350 171717 176120 176800 177600 177970 185640 186184 188700 190400 191660 192264 192400 196248 200275 201280 202020 204425 205350 207200 208286 211344 212160 213564 215488 218400 219040 220150 224308 228956 229992 230880 232050 232730 239575 240330 245310 247520 248640 249158 251600 252525 256352 261664 262848 264180 265200 266955 269360 272374 273800 279276 280385 281792 284752 285600 286195 287490 288600 296407 297024 301920 302549 306656 309400 310800 312429 320440 323232 325822 327080 328560 330225 336462 336700 343434 349095 352240 353600 355940 371280 372368 373737 377400 383320 384528 384800 392496 400550 404040 408561 408850 410700 414400 416572 422688 427128 436800 438080 440300 444925 448616 457912 459984 461760 464100 465460 479150 480660 488733 490620 495040 498316 503200 505050 512704 520715 523328 528360 530400 533910 538720 544748 547600 558552 560770 569504 571200 572390 574980 577200 581825 592814 600825 603840 605098 613275 613312 618800 621600 622895 624858 640880 646464 651644 654160 657120 660450 672924 673400 680935 686868 698190 704480 711880 718725 729001 742560 744736 747474 754800 766640 769056 769600 784992 801100 808080 814555 817122 817700 821400 833144 841155 845376 854256 858585 880600 889221 889850 897232 907647 915824 919968 928200 930920 953309 958300 961320 977466 981240 996632 1006400 1010100 1041430 1056720 1060800 1067820 1077440 1089496 1095200 1117104 1121540 1139008 1144780 1149960 1154400 1163650 1185628 1201650 1210196 1226550 1237600 1243200 1245790 1249716 1281760 1303288 1308320 1314240 1320900 1334775 1345848 1346800 1361870 1373736 1396380 1401925 1408960 1423760 1430975 1437450 1458002 1482035 1485120 1489472 1494948 1509600 1512745 1533280 1538112 1562145 1569984 1602200 1616160 1629110 1634244 1635400 1642800 1666288 1682310 1708512 1717170 1745475 1761200 1770431 1778442 1779700 1794464 1815294 1831648 1839936 1856400 1861840 1868685 1906618 1916600 1922640 1954932 1962480 1993264 2020200 2042805 2074849 2082860 2113440 2117843 2135640 2178992 2187003 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6141553040 6165265600 6288570912 6473528880 6525400105 6550594700 6580235400 6772307136 6843444816 6878124435 7054486600 7128588350 7271160117 7336666064 7369863648 7435810200 7457600120 7676941300 7830480126 7860713640 7984018952 8062270400 8091911100 8465383920 8498068800 8554306020 8631371840 8773647200 8949120144 9124593088 9170832580 9212329560 9247898400 9322000150 9694880156 9825892050 9914413600 9959275200 9980023690 10165646400 10440640168 10480951520 10528376640 10581729900 10692882525 10789214800 11004999096 11186400180 11287178560 11405741360 11463540725 11515411950 11897296320 11932160192 11976028428 12093405600 12118600195 12283106080 12577141824 12947057760 13050800210 13101189400 13160470800 13686889632 13756248870 13983000225 14108973200 14257176700 14542320234 14673332128 14739727296 14871620400 14915200240 14970035535 15353882600 15660960252 15721427280 15968037904 16183822200 16930767840 16966040273 17108612040 17547294400 17898240288 18341665160 18424659120 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63872151616 64735288800 65254001050 67864161092 68434448160 68781244350 72711601170 73366660640 73698636480 74576001200 74850177675 77559041248 78304801260 78607136400 79840189520 83525121344 84653839200 84830201365 85543060200 88039992768 89491201440 91708325800 92123295600 95808227424 96948801560 97881001575 99800236900 101796241638 104406401680 104809515200 110049990960 111864001800 114057413600 116338561872 119760284280 121186001950 122831060800 125287682016 129470577600 130508002100 135728322184 136868896320 137562488700 145423202340 146733321280 149152002400 149700355350 155118082496 156609602520 157214272800 159680379040 169307678400 169660402730 171086120400 178982402880 181779002925 183416651600 184246591200 191616454848 193897603120 195762003150 199600473800 203592483276 208812803360 220099981920 223728003600 228114827200 232677123744 239520568560 242372003900 250575364032 254490604095 261016004200 271456644368 275124977400 290846404680 298304004800 299400710700 313219205040 314428545600 319360758080 339320805460 342172240800 363558005850 366833303200 368493182400 387795206240 391524006300 399200947600 407184966552 417625606720 424151006825 440199963840 447456007200 465354247488 479041137120 484744007800 508981208190 522032008400 542913288736 550249954800 581692809360 598801421400 626438410080 678641610920 684344481600 727116011700 733666606400 775590412480 783048012600 798401895200 814369933104 848302013650 894912014400 958082274240 969488015600 1017962416380 1044064016800 1085826577472 1100499909600 1163385618720 1197602842800 1252876820160 1272453020475 1357283221840 1454232023400 1566096025200 1596803790400 1628739866208 1696604027300 1938976031200 2035924832760 2088128033600 2200999819200 2326771237440 2395205685600 2544906040950 2714566443680 2908464046800 3132192050400 3257479732416 3393208054600 3877952062400 4071849665520 4790411371200 5089812081900 5429132887360 5816928093600 6264384100800 6786416109200 8143699331040 10179624163800 11633856187200 13572832218400 16287398662080 20359248327600 27145664436800 40718496655200 81436993310400
• Sum of all divisors σ(n): 357891160499712
• Sum of proper divisors (its aliquot sum) s(n): 276454167189312
• 81436993310400 is an abundant number, because the sum of its proper divisors (276454167189312) is greater than itself. Its abundance is 195017173878912

Bases of 81436993310400

• Binary: 10010100001000100000111000011101100111011000000₂
• Hexadecimal: 0x4A11070ECEC0
• Base-36: SV7MZ6CAO

Squares and roots of 81436993310400

• 81436993310400 squared (81436993310400²) is 6631983879438134350748160000
• 81436993310400 cubed (81436993310400³) is 540088826824483987232534353155108864000000
• The square root of 81436993310400 is 9024244.7501383737
• The cube root of 81436993310400 is 43345.1566644919

Scales and comparisons

• 81,436,993,310,400 seconds is equal to 2,589,444 years, 25 weeks, 1 day, 22 hours, 40 minutes.
• To count from 1 to 81,436,993,310,400 would take you about six million, four hundred seventy-three thousand, six hundred eleven 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 81436993310400 cubic inches would be around 3612.1 feet tall.

Recreational maths with 81436993310400

• 81436993310400 backwards is 00401339963418
• 81436993310400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81436993310400's digits is 51
• More coming soon!