138121854831540

Names of 138121854831540

• Cardinal: 138121854831540 can be written as One hundred thirty-eight trillion, one hundred twenty-one billion, eight hundred fifty-four million, eight hundred thirty-one thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.3812185483154 × 10¹⁴

Factors of 138121854831540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 409

Divisors of 138121854831540

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 79 81 90 108 135 139 158 162 180 181 237 243 270 278 316 324 362 395 405 417 474 486 540 543 556 695 711 724 790 810 834 905 948 972 1086 1185 1215 1251 1390 1422 1580 1620 1629 1668 1810 2085 2133 2172 2370 2430 2502 2715 2780 2844 3258 3555 3620 3753 4170 4266 4740 4860 4887 5004 5430 6241 6255 6399 6516 7110 7506 8145 8340 8532 9774 10665 10860 10981 11259 12482 12510 12798 14220 14299 14661 15012 16290 18723 18765 19197 19548 21330 21962 22518 24435 24964 25020 25159 25596 28598 29322 31205 31995 32580 32761 32943 33777 37446 37530 38394 42660 42897 43924 43983 45036 48870 50318 54905 56169 56295 57196 58644 62410 63990 65522 65886 67554 71495 73305 74892 75060 75477 76788 85794 87966 93615 95985 97740 98283 98829 100636 109810 112338 112590 124820 125795 127980 128691 131044 131772 135108 142990 146610 150954 163805 164715 168507 168885 171588 175932 187230 191970 196566 197658 214485 219620 219915 224676 225180 226431 251590 257382 280845 285980 293220 294849 296487 301908 327610 329430 337014 337770 374460 377385 383940 386073 393132 395316 428970 439830 452862 491415 494145 503180 505521 514764 561690 589698 592974 643455 655220 658860 674028 675540 679293 754770 772146 842535 857940 867499 879660 884547 889461 905724 982830 988290 1011042 1123380 1129621 1132155 1158219 1179396 1185948 1286910 1358586 1474245 1482435 1509540 1516563 1544292 1685070 1734998 1769094 1778922 1930365 1965660 1976580 1987561 2022084 2037879 2259242 2264310 2316438 2527605 2573820 2588119 2602497 2653641 2668383 2717172 2948490 2964870 3033126 3370140 3388863 3396465 3469996 3474657 3538188 3557844 3860730 3975122 4075758 4337495 4422735 4447305 4518484 4528620 4553779 4632876 5055210 5176238 5204994 5307282 5336766 5648105 5791095 5896980 5929740 5962683 6066252 6113637 6777726 6792930 6949314 7582815 7721460 7764357 7807491 7950244 7960923 8151516 8674990 8845470 8894610 9107558 9937805 10110420 10166589 10189395 10352476 10409988 10614564 10673532 11296210 11582190 11925366 12227274 12940595 13012485 13268205 13341915 13555452 13585860 13661337 13898628 15165630 15528714 15614982 15921846 16944315 17349980 17373285 17690940 17789220 17888049 18215116 19875610 20333178 20378790 22592420 22768895 23164380 23293071 23422473 23850732 24454548 25881190 26024970 26536410 26683830 27322674 29813415 30331260 30499767 30568185 31057428 31229964 31843692 33888630 34746570 35776098 38821785 39037455 39751220 39804615 40666356 40757580 40984011 45537790 46586142 46844946 50832945 51762380 52049940 53072820 53367660 53664147 54645348 59626830 60999534 61136370 67777260 68306685 69493140 69879213 70267419 71552196 77643570 78074910 79609230 81968022 89440245 91075580 91499301 93172284 93689892 101665890 107328294 116465355 117112365 119253660 121999068 122272740 122952033 136613370 139758426 140534838 152498835 155287140 156149820 157017319 159218460 160992441 163936044 178880490 182998602 203331780 204461401 204920055 209637639 210802257 214656588 232930710 234224730 245904066 268320735 273226740 274497903 279516852 281069676 304997670 314034638 321984882 349396065 351337095 357760980 359748541 365997204 368856099 408922802 409840110 419275278 421604514 457496505 465861420 468449460 471051957 482977323 491808132 536641470 548995806 609995340 613384203 614760165 628069276 628912917 643969764 698792130 702674190 719497082 737712198 785086595 804962205 817845604 819680220 838550556 843209028 914993010 942103914 965954646 1022307005 1048188195 1054011285 1073282940 1079245623 1097991612 1106568297 1226768406 1229520330 1257825834 1372489515 1397584260 1405348380 1413155871 1438994164 1475424396 1570173190 1609924410 1798742705 1829986020 1840152609 1844280495 1884207828 1931909292 2044614010 2096376390 2108022570 2158491246 2213136594 2355259785 2414886615 2453536812 2459040660 2515651668 2744979030 2826311742 3066921015 3140346380 3144564585 3219848820 3237736869 3597485410 3680305218 3688560990 4089228020 4192752780 4216045140 4239467613 4316982492 4426273188 4710519570 4829773230 5396228115 5489958060 5520457827 5532841485 5652623484 6133842030 6289129170 6475473738 7065779355 7194970820 7360610436 7377121980 8478935226 9200763045 9421039140 9659546460 9713210607 10792456230 11040915654 11065682970 12267684060 12578258340 12718402839 12950947476 14131558710 16188684345 16561373481 16957870452 18401526090 19426421214 21197338065 21584912460 22081831308 22131365940 25436805678 27602289135 28263117420 28420134739 29139631821 32377368690 33122746962 36803052180 38155208517 38852842428 42394676130 48566053035 49684120443 50873611356 55204578270 56840269478 58279263642 63592014195 64754737380 66245493924 76310417034 82806867405 84789352260 85260404217 87418895463 97132106070 99368240886 110409156540 113680538956 116558527284 127184028390 142100673695 145698159105 152620834068 165613734810 170520808434 174837790926 190776042585 194264212140 198736481772 248420602215 254368056780 255781212651 284201347390 291396318210 331227469620 341041616868 349675581852 381552085170 426302021085 437094477315 496841204430 511562425302 568402694780 582792636420 763104170340 767343637953 852604042170 874188954630 993682408860 1023124850604 1278906063255 1534687275906 1705208084340 1748377909260 2302030913859 2557812126510 3069374551812 3836718189765 4604061827718 5115624253020 6906092741577 7673436379530 9208123655436 11510154569295 13812185483154 15346872759060 23020309138590 27624370966308 34530463707885 46040618277180 69060927415770 138121854831540
• Sum of all divisors σ(n): 445684618884960
• Sum of proper divisors (its aliquot sum) s(n): 307562764053420
• 138121854831540 is an abundant number, because the sum of its proper divisors (307562764053420) is greater than itself. Its abundance is 169440909221880

Bases of 138121854831540

• Binary: 11111011001111100000000000101111100101110110100₂
• Hexadecimal: 0x7D9F0017CBB4
• Base-36: 1CYKAY5Z90

Squares and roots of 138121854831540

• 138121854831540 squared (138121854831540²) is 19077646782105009641778771600
• 138121854831540 cubed (138121854831540³) is 2635039959365304359601959508759266136264000
• The square root of 138121854831540 is 11752525.4661089759
• The cube root of 138121854831540 is 51691.6982670207

Scales and comparisons

• 138,121,854,831,540 seconds is equal to 4,391,847 years, 38 weeks, 5 days, 1 hour, 39 minutes.
• To count from 1 to 138,121,854,831,540 would take you about ten million, nine hundred seventy-nine thousand, six hundred nineteen 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 138121854831540 cubic inches would be around 4307.6 feet tall.

Recreational maths with 138121854831540

• 138121854831540 backwards is 045138458121831
• 138121854831540 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138121854831540's digits is 54
• More coming soon!