81164958768000

Names of 81164958768000

• Cardinal: 81164958768000 can be written as Eighty-one trillion, one hundred sixty-four billion, nine hundred fifty-eight million, seven hundred sixty-eight thousand.

Scientific notation

• Scientific notation: 8.1164958768 × 10¹³

Factors of 81164958768000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 1533

Divisors of 81164958768000

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 81 90 96 100 108 120 125 128 135 144 150 160 162 180 192 200 216 225 240 243 250 270 288 300 320 324 360 375 384 400 405 432 450 480 486 500 540 576 600 640 648 675 720 729 750 800 810 864 900 960 972 1000 1080 1125 1152 1200 1215 1296 1350 1440 1458 1500 1523 1600 1620 1728 1800 1920 1944 2000 2025 2160 2187 2250 2400 2430 2592 2700 2880 2916 3000 3046 3200 3240 3375 3456 3600 3645 3888 4000 4050 4320 4374 4500 4569 4800 4860 5184 5400 5760 5832 6000 6075 6092 6480 6750 7200 7290 7615 7776 8000 8100 8640 8748 9000 9138 9600 9720 10125 10368 10800 10935 11664 12000 12150 12184 12960 13500 13707 14400 14580 15230 15552 16000 16200 17280 17496 18000 18225 18276 19440 20250 21600 21870 22845 23328 24000 24300 24368 25920 27000 27414 28800 29160 30375 30460 31104 32400 34992 36000 36450 36552 38075 38880 40500 41121 43200 43740 45690 46656 48000 48600 48736 51840 54000 54675 54828 58320 60750 60920 64800 68535 69984 72000 72900 73104 76150 77760 81000 82242 86400 87480 91125 91380 93312 97200 97472 108000 109350 109656 114225 116640 121500 121840 123363 129600 137070 139968 144000 145800 146208 152300 155520 162000 164484 174960 182250 182760 190375 194400 194944 205605 216000 218700 219312 228450 233280 243000 243680 246726 259200 273375 274140 279936 291600 292416 304600 324000 328968 342675 349920 364500 365520 370089 380750 388800 411210 432000 437400 438624 456900 466560 486000 487360 493452 546750 548280 571125 583200 584832 609200 616815 648000 657936 685350 699840 729000 731040 740178 761500 777600 822420 874800 877248 913800 972000 974720 986904 1028025 1093500 1096560 1110267 1142250 1166400 1218400 1233630 1296000 1315872 1370700 1399680 1458000 1462080 1480356 1523000 1644840 1713375 1749600 1754496 1827600 1850445 1944000 1973808 2056050 2187000 2193120 2220534 2284500 2319529 2332800 2436800 2467260 2631744 2741400 2916000 2924160 2960712 3046000 3084075 3289680 3330801 3426750 3499200 3655200 3700890 3888000 3947616 4112100 4374000 4386240 4441068 4569000 4639058 4873600 4934520 5140125 5263488 5482800 5551335 5832000 5921424 6092000 6168150 6579360 6661602 6853500 6958587 6998400 7310400 7401780 7895232 8224200 8748000 8772480 8882136 9138000 9252225 9278116 9869040 10280250 10965600 11102670 11597645 11664000 11842848 12184000 12336300 13158720 13323204 13707000 13917174 14620800 14803560 15420375 15790464 16448400 16654005 17496000 17764272 18276000 18504450 18556232 19738080 20560500 20875761 21931200 22205340 23195290 23685696 24368000 24672600 26317440 26646408 27414000 27756675 27834348 29607120 30840750 32896800 33308010 34792935 34992000 35528544 36552000 37008900 37112464 39476160 41121000 41751522 43862400 44410680 46261125 46390580 47371392 49345200 53292816 54828000 55513350 55668696 57988225 59214240 61681500 62627283 65793600 66616020 69585870 71057088 73104000 74017800 74224928 78952320 82242000 83270025 83503044 88821360 92522250 92781160 98690400 104378805 106585632 109656000 111026700 111337392 115976450 118428480 123363000 125254566 131587200 133232040 138783375 139171740 142114176 148035600 148449856 164484000 166540050 167006088 173964675 177642720 185044500 185562320 187881849 197380800 208757610 213171264 219312000 222053400 222674784 231952900 236856960 246726000 250509132 266464080 277566750 278343480 289941125 296071200 296899712 313136415 328968000 333080100 334012176 347929350 355285440 370089000 371124640 375763698 394761600 416350125 417515220 426342528 444106800 445349568 463905800 493452000 501018264 521894025 532928160 555133500 556686960 563645547 579882250 592142400 626272830 657936000 666160200 668024352 695858700 710570880 740178000 742249280 751527396 832700250 835030440 869823375 888213600 890699136 927811600 939409245 986904000 1002036528 1043788050 1065856320 1110267000 1113373920 1127291094 1159764500 1184284800 1252545660 1332320400 1336048704 1391717400 1480356000 1484498560 1503054792 1565682075 1665400500 1670060880 1690936641 1739646750 1776427200 1855623200 1878818490 1973808000 2004073056 2087576100 2131712640 2220534000 2226747840 2254582188 2319529000 2505091320 2609470125 2664640800 2672097408 2783434800 2818227735 2960712000 3006109584 3131364150 3330801000 3340121760 3381873282 3479293500 3552854400 3711246400 3757636980 4008146112 4175152200 4441068000 4453495680 4509164376 4639058000 4697046225 5010182640 5072809923 5218940250 5329281600 5566869600 5636455470 5921424000 6012219168 6262728300 6661602000 6680243520 6763746564 6958587000 7422492800 7515273960 7828410375 8016292224 8350304400 8454683205 8882136000 9018328752 9278116000 9394092450 10020365280 10145619846 10437880500 10658563200 11133739200 11272910940 12024438336 12525456600 13323204000 13360487040 13527493128 13917174000 14091138675 15030547920 15656820750 16700608800 16909366410 17764272000 18036657504 18556232000 18788184900 20040730560 20291239692 20875761000 22267478400 22545821880 23485231125 24048876672 25050913200 25364049615 26646408000 27054986256 27834348000 28182277350 30061095840 31313641500 33401217600 33818732820 36073315008 37112464000 37576369800 40081461120 40582479384 41751522000 42273416025 45091643760 46970462250 50101826400 50728099230 53292816000 54109972512 55668696000 56364554700 60122191680 62627283000 66802435200 67637465640 70455693375 72146630016 75152739600 81164958768 83503044000 84546832050 90183287520 93940924500 100203652800 101456198460 108219945024 111337392000 112729109400 120244383360 125254566000 126820248075 135274931280 140911386750 150305479200 162329917536 167006088000 169093664100 180366575040 187881849000 200407305600 202912396920 211367080125 216439890048 225458218800 250509132000 253640496150 270549862560 281822773500 300610958400 324659835072 334012176000 338187328200 360733150080 375763698000 405824793840 422734160250 450916437600 501018264000 507280992300 541099725120 563645547000 601221916800 634101240375 649319670144 676374656400 751527396000 811649587680 845468320500 901832875200 1002036528000 1014561984600 1082199450240 1127291094000 1268202480750 1352749312800 1503054792000 1623299175360 1690936641000 1803665750400 2029123969200 2254582188000 2536404961500 2705498625600 3006109584000 3246598350720 3381873282000 4058247938400 4509164376000 5072809923000 5410997251200 6763746564000 8116495876800 9018328752000 10145619846000 13527493128000 16232991753600 20291239692000 27054986256000 40582479384000 81164958768000
• Sum of all divisors σ(n): 302847281755200
• Sum of proper divisors (its aliquot sum) s(n): 221682322987200
• 81164958768000 is an abundant number, because the sum of its proper divisors (221682322987200) is greater than itself. Its abundance is 140517364219200

Bases of 81164958768000

• Binary: 10010011101000110110000100010010001101110000000₂
• Hexadecimal: 0x49D1B0891B80
• Base-36: SRQO0U000

Squares and roots of 81164958768000

• 81164958768000 squared (81164958768000²) is 6587750531811140077824000000
• 81164958768000 cubed (81164958768000³) is 534694500288321256779657271160832000000000
• The square root of 81164958768000 is 9009159.7148679743
• The cube root of 81164958768000 is 43296.8390092377

Scales and comparisons

• 81,164,958,768,000 seconds is equal to 2,580,794 years, 32 weeks, 5 days.
• To count from 1 to 81,164,958,768,000 would take you about six million, four hundred fifty-one thousand, nine hundred eighty-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 81164958768000 cubic inches would be around 3608.1 feet tall.

Recreational maths with 81164958768000

• 81164958768000 backwards is 00086785946118
• The number of decimal digits it has is: 14
• The sum of 81164958768000's digits is 63
• More coming soon!