121538907742208

Names of 121538907742208

• Cardinal: 121538907742208 can be written as One hundred twenty-one trillion, five hundred thirty-eight billion, nine hundred seven million, seven hundred forty-two thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.21538907742208 × 10¹⁴

Factors of 121538907742208

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 663

Divisors of 121538907742208

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 8 11 16 22 31 32 37 44 61 62 64 74 88 122 124 128 148 176 244 248 256 296 341 352 407 488 496 512 521 592 671 682 704 814 976 992 1024 1042 1147 1184 1342 1364 1369 1408 1628 1891 1952 1984 2048 2084 2257 2294 2368 2684 2728 2738 2816 3256 3782 3904 3968 4096 4168 4514 4588 4736 5368 5456 5476 5632 5731 6512 7564 7808 7936 8192 8336 9028 9176 9472 10736 10912 10952 11264 11462 12617 13024 15059 15128 15616 15872 16151 16672 18056 18352 18944 19277 20801 21472 21824 21904 22528 22924 24827 25234 26048 30118 30256 31232 31744 31781 32302 33344 36112 36704 37888 38554 41602 42439 42944 43648 43808 45056 45848 49654 50468 52096 60236 60512 62464 63488 63562 64604 66688 69967 72224 73408 75776 77108 83204 83509 84878 85888 87296 87616 90112 91696 99308 100936 104192 120472 121024 124928 126976 127124 129208 133376 139934 144448 146816 151552 154216 166408 167018 169756 171776 174592 175232 177661 183392 198616 201872 208384 212047 240944 242048 249856 253952 254248 258416 266752 279868 288896 293632 303104 308432 332816 334036 339512 343552 349184 349591 350464 355322 366784 397232 403744 416768 424094 466829 481888 484096 499712 508496 516832 533504 559736 577792 587264 597587 616864 665632 668072 679024 687104 698368 699182 700928 710644 713249 733568 769637 794464 807488 833536 848188 918599 933658 963776 968192 985211 1016992 1033664 1067008 1119472 1155584 1174528 1175897 1195174 1233728 1331264 1336144 1358048 1374208 1396736 1398364 1401856 1421288 1426498 1467136 1539274 1588928 1614976 1667072 1696376 1837198 1867316 1927552 1936384 1970422 2033984 2067328 2134016 2238944 2311168 2349056 2351794 2390348 2467456 2588779 2662528 2672288 2716096 2748416 2793472 2796728 2803712 2842576 2852996 2934272 3078548 3177856 3229952 3334144 3392752 3674396 3734632 3855104 3872768 3940844 4067968 4134656 4268032 4477888 4622336 4698112 4703588 4780696 4934912 5177558 5325056 5344576 5432192 5496832 5593456 5607424 5685152 5705992 5868544 6157096 6355712 6459904 6573457 6785504 7348792 7469264 7710208 7745536 7845739 7881688 8135936 8269312 8955776 9244672 9396224 9407176 9561392 9869824 10355116 10650112 10689152 10837321 10864384 11186912 11214848 11370304 11411984 11737088 12314192 12711424 12919808 12934867 13146914 13571008 14697584 14938528 15420416 15491072 15691478 15763376 16271872 16538624 17911552 18489344 18814352 19122784 19739648 20710232 21300224 21378304 21674642 21728768 22110719 22373824 22740608 22823968 23474176 24628384 25422848 25839616 25869734 26293828 27142016 28476569 29395168 29877056 30840832 31382956 31526752 32543744 33077248 35823104 36452807 37628704 38245568 39479296 41420464 42600448 42756608 43349284 43457536 43508189 44221438 44747648 45481216 45647936 46948352 49256768 50845696 51679232 51739468 52587656 54284032 56953138 58790336 59754112 61681664 62765912 63053504 65087488 66154496 71646208 72905614 75257408 76491136 78958592 82840928 85200896 85513216 86698568 86915072 87016378 88442876 89495296 90962432 91295872 98513536 101691392 103358464 103478936 105175312 108568064 113906276 117580672 119508224 123363328 125531824 126107008 130174976 132308992 143292416 145811228 150514816 152982272 157917184 165681856 170401792 171026432 173397136 173830144 174032756 176885752 178990592 181924864 182591744 197027072 203382784 206957872 210350624 217136128 227812552 235161344 239016448 243217909 251063648 252214016 260349952 286584832 291622456 301029632 305964544 331363712 342052864 346794272 347660288 348065512 353771504 357981184 363849728 365183488 394054144 400980877 413915744 420701248 434272256 455625104 470322688 478032896 478590079 486435818 502127296 504428032 573169664 583244912 602059264 611929088 662727424 684105728 693588544 696131024 707543008 715962368 727699456 730366976 788108288 801961754 827831488 841402496 868544512 911250208 940645376 956065792 957180158 972871636 1004254592 1008856064 1166489824 1204118528 1223858176 1325454848 1348753859 1387177088 1392262048 1415086016 1431924736 1455398912 1460733952 1576216576 1603923508 1655662976 1682804992 1737089024 1822500416 1881290752 1912131584 1914360316 1945743272 2008509184 2017712128 2332979648 2408237056 2447716352 2650909696 2697507718 2774354176 2784524096 2830172032 2863849472 2921467904 3152433152 3207847016 3311325952 3365609984 3645000832 3762581504 3824263168 3828720632 3891486544 4017018368 4035424256 4665959296 4816474112 4895432704 5301819392 5395015436 5548708352 5569048192 5660344064 5842935808 6304866304 6415694032 6622651904 6731219968 7290001664 7525163008 7657441264 7782973088 8034036736 8070848512 9331918592 9632948224 10603638784 10790030872 11097416704 11138096384 11320688128 12831388064 13245303808 13462439936 14580003328 14836292449 15314882528 15565946176 16068073472 18663837184 21207277568 21580061744 22194833408 22276192768 22641376256 25662776128 26490607616 26924879872 29160006656 29672584898 30629765056 31131892352 32136146944 37327674368 43160123488 44389666816 44552385536 45282752512 51325552256 52981215232 53849759744 58320013312 59345169796 61259530112 62263784704 64272293888 74655348736 86320246976 88779333632 89104771072 90565505024 102651104512 105962430464 116640026624 118690339592 122519060224 124527569408 149310697472 172640493952 178209542144 181131010048 205302209024 233280053248 237380679184 245038120448 249055138816 298621394944 345280987904 356419084288 410604418048 474761358368 490076240896 498110277632 690561975808 821208836096 949522716736 980152481792 996220555264 1381123951616 1642417672192 1899045433472 1960304963584 1992441110528 2762247903232 3284835344384 3798090866944 3920609927168 5524495806464 7596181733888 11048991612928 15192363467776 30384726935552 60769453871104 121538907742208
• Sum of all divisors σ(n): 286471185670656
• Sum of proper divisors (its aliquot sum) s(n): 164932277928448
• 121538907742208 is an abundant number, because the sum of its proper divisors (164932277928448) is greater than itself. Its abundance is 43393370186240

Bases of 121538907742208

• Binary: 11011101000100111111011011011000010000000000000₂
• Hexadecimal: 0x6E89FB6C2000
• Base-36: 172Y7BMM0W

Squares and roots of 121538907742208

• 121538907742208 squared (121538907742208²) is 14771706095168947724184715264
• 121538907742208 cubed (121538907742208³) is 1795337024295750324220702111764465594662912
• The square root of 121538907742208 is 11024468.5922818067
• The cube root of 121538907742208 is 49534.1950224453

Scales and comparisons

• 121,538,907,742,208 seconds is equal to 3,864,561 years, 16 weeks, 5 days, 2 hours, 10 minutes, 8 seconds.
• To count from 1 to 121,538,907,742,208 would take you about nine million, six hundred sixty-one thousand, four hundred three 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 121538907742208 cubic inches would be around 4127.8 feet tall.

Recreational maths with 121538907742208

• 121538907742208 backwards is 802247709835121
• The number of decimal digits it has is: 15
• The sum of 121538907742208's digits is 59
• More coming soon!