81133788090240

Names of 81133788090240

• Cardinal: 81133788090240 can be written as Eighty-one trillion, one hundred thirty-three billion, seven hundred eighty-eight million, ninety thousand, two hundred forty.

Scientific notation

• Scientific notation: 8.113378809024 × 10¹³

Factors of 81133788090240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 705

Divisors of 81133788090240

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 61 64 72 74 80 90 96 111 120 122 127 128 144 148 157 160 180 183 185 192 222 240 244 254 288 296 305 313 314 320 333 360 366 370 381 384 444 471 480 488 508 549 555 576 592 610 626 628 635 640 666 720 732 740 762 785 888 915 939 942 960 976 1016 1098 1110 1143 1152 1184 1220 1252 1256 1270 1332 1413 1440 1464 1480 1524 1565 1570 1665 1776 1830 1878 1884 1905 1920 1952 2032 2196 2220 2257 2286 2355 2368 2440 2504 2512 2540 2664 2745 2817 2826 2880 2928 2960 3048 3130 3140 3330 3552 3660 3756 3768 3810 3904 4064 4392 4440 4514 4572 4695 4699 4710 4736 4880 5008 5024 5080 5328 5490 5634 5652 5715 5760 5809 5856 5920 6096 6260 6280 6660 6771 7065 7104 7320 7512 7536 7620 7747 7808 8128 8784 8880 9028 9144 9390 9398 9420 9577 9760 10016 10048 10160 10656 10980 11268 11285 11304 11430 11581 11618 11712 11840 12192 12520 12560 13320 13542 14085 14097 14130 14208 14640 15024 15072 15240 15494 16256 17427 17568 17760 18056 18288 18780 18796 18840 19093 19154 19520 19939 20032 20096 20313 20320 21312 21960 22536 22570 22608 22860 23162 23236 23241 23424 23495 23680 24384 25040 25120 26640 27084 28170 28194 28260 28731 29045 29280 30048 30144 30480 30988 33855 34743 34854 35136 35520 36112 36576 37560 37592 37680 38186 38308 38735 39040 39751 39878 40064 40626 40640 42291 42624 43920 45072 45140 45216 45720 46324 46472 46482 46990 47885 48768 49141 50080 50240 52281 53280 54168 56340 56388 56520 57279 57462 57905 58090 58560 59817 60096 60288 60960 61976 67710 69486 69708 69723 70272 70485 71040 72224 73152 75120 75184 75360 76372 76616 77470 79502 79756 81252 81280 84582 86193 87135 87840 90144 90280 90432 91440 92648 92944 92964 93980 95465 95770 98282 99695 100160 100480 101565 104229 104562 106560 108336 112680 112776 113040 114558 114924 115810 116180 116205 117120 119253 119634 120192 121920 123952 135420 138972 139416 139446 140970 143655 144448 146304 147423 150240 150368 150720 152744 153232 154940 159004 159512 162504 169164 171837 172386 173715 174270 175680 179451 180288 180560 180864 182880 185296 185888 185928 187960 190930 191540 196564 198755 199390 200320 203130 208458 209124 211455 213120 216672 225360 225552 226080 229116 229848 231620 232360 232410 238506 239268 243840 245705 247904 261405 270840 277944 278832 278892 281940 286395 286639 287310 288896 294846 299085 300480 300736 301440 305488 306464 309880 318008 319024 325008 338328 343674 344772 347430 348540 348615 351360 354349 357759 358902 360576 361120 365760 370592 371776 371856 375920 381860 383080 393128 397510 398780 406260 416916 418248 422910 430965 433344 442269 450720 451104 452160 458232 459696 463240 464720 464820 477012 478536 491410 495808 521145 522810 541680 555888 557664 557784 563880 572790 573278 574620 589692 596265 598170 600960 601472 610976 612928 619760 636016 638048 650016 676656 687348 689544 694860 697080 697230 706441 708698 715518 717804 722240 731520 737115 737743 741184 743552 743712 751840 763720 766160 786256 795020 797560 812520 833832 836496 845820 859185 859917 861930 866688 884538 897255 901440 902208 904320 916464 919392 926480 929440 929640 954024 957072 982820 991616 1042290 1045620 1063047 1083360 1111776 1115328 1115568 1127760 1145580 1146556 1149240 1179384 1192530 1196340 1216279 1221952 1225856 1239520 1272032 1276096 1300032 1353312 1374696 1379088 1389720 1394160 1394460 1412882 1417396 1431036 1433195 1435608 1444480 1470787 1474230 1475486 1482368 1487424 1503680 1527440 1532320 1572512 1590040 1595120 1625040 1667664 1672992 1691640 1718370 1719834 1723860 1769076 1771745 1788795 1794510 1802880 1804416 1818217 1832928 1838784 1852960 1858880 1859280 1908048 1914144 1965640 2084580 2091240 2119323 2126094 2166720 2211345 2213229 2223552 2230656 2231136 2255520 2291160 2293112 2298480 2358768 2385060 2392680 2424811 2432558 2443904 2479040 2544064 2552192 2579751 2600064 2706624 2749392 2758176 2779440 2788320 2788920 2825764 2834792 2862072 2866390 2871216 2941574 2948460 2950972 2974848 2997601 3007360 3054880 3064640 3145024 3180080 3189141 3190240 3250080 3335328 3345984 3383280 3436740 3439668 3447720 3532205 3538152 3543490 3577590 3589020 3636434 3648837 3665856 3677568 3688715 3705920 3717760 3718560 3816096 3828288 3931280 4169160 4182480 4238646 4252188 4299585 4333440 4412361 4422690 4426458 4447104 4462272 4511040 4582320 4586224 4596960 4717536 4770120 4785360 4849622 4865116 4958080 5088128 5159502 5315235 5413248 5454651 5498784 5516352 5558880 5576640 5577840 5651528 5669584 5724144 5732780 5742432 5883148 5896920 5901944 5995202 6081395 6109760 6129280 6240907 6290048 6357969 6360160 6378282 6380480 6500160 6639687 6670656 6691968 6766560 6873480 6879336 6895440 7064410 7076304 7086980 7155180 7178040 7272868 7274433 7297674 7331712 7353935 7377430 7411840 7437120 7632192 7656576 7862560 8338320 8364960 8477292 8504376 8599170 8824722 8845380 8852916 8924544 8992803 9022080 9091085 9164640 9172448 9193920 9435072 9540240 9570720 9699244 9730232 10319004 10596615 10630470 10909302 10946511 10997568 11032704 11066145 11117760 11153280 11155680 11303056 11339168 11448288 11465560 11484864 11766296 11793840 11803888 11990404 12124055 12162790 12219520 12481814 12715938 12720320 12756564 12760960 12898755 13000320 13237083 13279374 13341312 13533120 13746960 13758672 13790880 14128820 14152608 14173960 14310360 14356080 14545736 14548866 14595348 14707870 14754860 14874240 14988005 15264384 15725120 15945705 16363953 16676640 16729920 16954584 17008752 17198340 17649444 17690760 17705832 17985606 18182170 18244185 18329280 18344896 18387840 18722721 18870144 19080480 19141440 19398488 19460464 20638008 21193230 21260940 21818604 21823299 21893022 21995136 22061805 22132290 22235520 22311360 22606112 22678336 22896576 22931120 22969728 23532592 23587680 23607776 23980808 24248110 24325580 24963628 25431876 25440640 25513128 25797510 26474166 26558748 26978409 27066240 27273255 27493920 27517344 27581760 28257640 28305216 28347920 28620720 28712160 29091472 29097732 29190696 29415740 29509720 29976010 31204535 31450240 31789845 31891410 32727906 33198435 33353280 33459840 33909168 34017504 34396680 35298888 35381520 35411664 35971212 36364340 36372165 36488370 36658560 36689792 37445442 38160960 38282880 38796976 38920928 41276016 42386460 42521880 43637208 43646598 43786044 44123610 44264580 44622720 44964015 45002323 45212224 45356672 45793152 45862240 47065184 47175360 47215552 47961616 48496220 48651160 49927256 50863752 51026256 51595020 52948332 53117496 53956818 54546510 54732555 54987840 55034688 55163520 56168163 56515280 56610432 56695840 57241440 57424320 58182944 58195464 58381392 58831480 59019440 59952020 62409070 63579690 63782820 65455812 66185415 66396870 66706560 67818336 68035008 68793360 70597776 70763040 70823328 71942424 72728680 72744330 72976740 74890884 76321920 77593952 77841856 81819765 82552032 84772920 85043760 87274416 87293196 87572088 88247220 88529160 89718007 89928030 90004646 90424448 91724480 93613605 94130368 94350720 94431104 95923232 96992440 97302320 99854512 101727504 102052512 103190040 105896664 106234992 107913636 109093020 109116495 109465110 109975680 110069376 110911237 112336326 113030560 113391680 114482880 114848640 116365888 116390928 116762784 117662960 118038880 119904040 124818140 127159380 127565640 130911624 132370830 132793740 134892045 135006969 135636672 136070016 137586720 141195552 141526080 141646656 143884848 145457360 145488660 145953480 149781768 155187904 155683712 163639530 165104064 169545840 170087520 174548832 174586392 175144176 176494440 177058320 179436014 179856060 180009292 183448960 187227210 188260736 191846464 193984880 194604640 199709024 203455008 204105024 206380080 211793328 212469984 215827272 218186040 218232990 218930220 221822474 224672652 225011615 226061120 226783360 228965760 230913559 232731776 232781856 233525568 235325920 236077760 239808080 249636280 254318760 255131280 261823248 264741660 265587480 269154021 269784090 270013938 271273344 275173440 280840815 282391104 283052160 283293312 287769696 290914720 290977320 291906960 299563536 310375808 327279060 330208128 332733711 339091680 340175040 349097664 349172784 350288352 352988880 354116640 358872028 359712120 360018584 374454420 380695327 383692928 387969760 389209280 399418048 405020907 406910016 408210048 412760160 423586656 424939968 431654544 436372080 436465980 437860440 443644948 448590035 449345304 450023230 452122240 461827118 465563712 467051136 470651840 472155520 479616160 499272560 508637520 510262560 523646496 529483320 531174960 538308042 539568180 540027876 550346880 554556185 561681630 564782208 575539392 581829440 581954640 583813920 599127072 654558120 665467422 675034845 678183360 680350080 692740677 698195328 698345568 700576704 705977760 708233280 717744056 719424240 720037168 748908840 761390654 775939520 778418560 798836096 807462063 810041814 813820032 825520320 847173312 849879936 863309088 872744160 872931960 875720880 887289896 897180070 898690608 900046460 923654236 931127424 941303680 959232320 998201133 998545120 1017275040 1020525120 1047292992 1058966640 1062349920 1076616084 1079136360 1080055752 1109112370 1123363260 1142085981 1151078784 1154567795 1163658880 1163909280 1167627840 1198254144 1309116240 1330934844 1345770105 1350069690 1356366720 1385481354 1396691136 1401153408 1411955520 1416466560 1435488112 1438848480 1440074336 1497817680 1522781308 1551879040 1614924126 1620083628 1651040640 1663668555 1694346624 1726618176 1745488320 1745863920 1751441760 1774579792 1794360140 1797381216 1800092920 1847308472 1903476635 1918464640 1996402266 1997090240 2025104535 2034550080 2041050240 2078222031 2094585984 2117933280 2124699840 2153232168 2158272720 2160111504 2218224740 2246726520 2284171962 2309135590 2327818560 2335255680 2396508288 2618232480 2661869688 2691540210 2700139380 2770962708 2793382272 2823911040 2870976224 2877696960 2880148672 2995635360 3045562616 3229848252 3240167256 3327337110 3426257943 3453236352 3463703385 3490976640 3491727840 3502883520 3549159584 3588720280 3594762432 3600185840 3694616944 3806953270 3992804532 3994180480 4037310315 4050209070 4069100160 4156444062 4235866560 4249399680 4306464336 4316545440 4320223008 4436449480 4493453040 4568343924 4618271180 4655637120 4991005665 5236464960 5323739376 5383080420 5400278760 5541925416 5710429905 5741952448 5755393920 5760297344 5991270720 6091125232 6459696504 6480334512 6654674220 6852515886 6927406770 6983455680 7005767040 7098319168 7177440560 7189524864 7200371680 7389233888 7613906540 7985609064 8074620630 8100418140 8312888124 8471733120 8612928672 8633090880 8640446016 8872898960 8986906080 9136687848 9236542360 9982011330 10391110155 10472929920 10647478752 10766160840 10800557520 11083850832 11420859810 11483904896 11982541440 12182250464 12919393008 12960669024 13309348440 13705031772 13854813540 13966911360 14085727099 14196638336 14354881120 14400743360 14778467776 15227813080 15971218128 16149241260 16200836280 16625776248 17131289715 17225857344 17266181760 17280892032 17745797920 17973812160 18273375696 18473084720 19964022660 20782220310 21294957504 21532321680 21601115040 22167701664 22841719620 24364500928 25838786016 25921338048 26618696880 27410063544 27709627080 28171454198 28709762240 28801486720 29556935552 30455626160 31942436256 32298482520 32401672560 33251552496 34262579430 34451714688 35491595840 35947624320 36546751392 36946169440 39928045320 41564440620 42257181297 42589915008 43064643360 43202230080 44335403328 45683439240 48729001856 51677572032 51842676096 53237393760 54820127088 55419254160 56342908396 57419524480 60911252320 63884872512 64596965040 64803345120 66503104992 68525158860 70428635495 70983191680 73093502784 73892338880 79856090640 83128881240 84514362594 86129286720 86404460160 88670806656 91366878480 103355144064 106474787520 109640254176 110838508320 112685816792 121822504640 126771543891 127769745024 129193930080 129606690240 133006209984 137050317720 140857270990 146187005568 147784677760 159712181280 166257762480 169028725188 172258573440 182733756960 211285906485 212949575040 219280508352 221677016640 225371633584 243645009280 253543087782 258387860160 259213380480 266012419968 274100635440 281714541980 319424362560 332515524960 338057450376 365467513920 422571812970 438561016704 443354033280 450743267168 507086175564 516775720320 548201270880 563429083960 633857719455 638848725120 665031049920 676114900752 730935027840 845143625940 901486534336 1014172351128 1096402541760 1126858167920 1267715438910 1330062099840 1352229801504 1690287251880 1802973068672 2028344702256 2192805083520 2253716335840 2535430877820 2704459603008 3380574503760 4056689404512 4507432671680 5070861755640 5408919206016 6761149007520 8113378809024 9014865343360 10141723511280 13522298015040 16226757618048 20283447022560 27044596030080 40566894045120 81133788090240
• Sum of all divisors σ(n): 297582079242240
• Sum of proper divisors (its aliquot sum) s(n): 216448291152000
• 81133788090240 is an abundant number, because the sum of its proper divisors (216448291152000) is greater than itself. Its abundance is 135314503061760

Bases of 81133788090240

• Binary: 10010011100101001101110100111100100111110000000₂
• Hexadecimal: 0x49CA6E9E4F80
• Base-36: SRCCIM740

Squares and roots of 81133788090240

• 81133788090240 squared (81133788090240²) is 6582691569871970066383257600
• 81133788090240 cubed (81133788090240³) is 534078702893401693773531727658213965824000
• The square root of 81133788090240 is 9007429.6050671415
• The cube root of 81133788090240 is 43291.2957114057

Scales and comparisons

• 81,133,788,090,240 seconds is equal to 2,579,803 years, 25 weeks, 6 days, 6 hours, 24 minutes.
• To count from 1 to 81,133,788,090,240 would take you about six million, four hundred forty-nine thousand, five hundred eight 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 81133788090240 cubic inches would be around 3607.6 feet tall.

Recreational maths with 81133788090240

• 81133788090240 backwards is 04209088733118
• The number of decimal digits it has is: 14
• The sum of 81133788090240's digits is 54
• More coming soon!