138618644674539968

Names of 138618644674539968

• Cardinal: 138618644674539968 can be written as One hundred thirty-eight quadrillion, six hundred eighteen trillion, six hundred forty-four billion, six hundred seventy-four million, five hundred thirty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38618644674539968 × 10¹⁷

Factors of 138618644674539968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 263

Divisors of 138618644674539968

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 4 8 16 23 32 46 47 64 92 94 184 188 191 368 376 382 529 736 752 764 1058 1081 1472 1504 1528 2116 2162 2209 3008 3056 4232 4324 4393 4418 6112 8464 8648 8786 8836 8977 12167 12224 16928 17296 17572 17672 17954 24334 24863 33856 34592 35144 35344 35908 36481 48668 49726 50807 69184 70288 70688 71816 72962 97336 99452 101039 101614 103823 140576 141376 143632 145924 194672 198904 202078 203228 206471 207646 281152 287264 291848 389344 397808 404156 406456 412942 415292 421919 571849 574528 583696 778688 795616 808312 812912 825884 830584 839063 843838 1143698 1167392 1168561 1591232 1616624 1625824 1651768 1661168 1678126 1687676 1714607 2287396 2323897 2334784 2337122 2387929 3233248 3251648 3303536 3322336 3356252 3375352 3429214 4574792 4647794 4674244 4748833 4775858 4879681 6466496 6607072 6644672 6712504 6750704 6858428 9149584 9295588 9348488 9497666 9551716 9704137 9759362 13214144 13425008 13501408 13716856 18299168 18591176 18696976 18995332 19103432 19298449 19408274 19518724 19830193 26850016 26876903 27002816 27433712 36598336 37182352 37393952 37990664 38206864 38596898 38816548 39037448 39435961 39660386 53700032 53753806 54867424 54922367 74364704 74787904 75981328 76413728 77193796 77633096 78074896 78871922 79320772 80586529 107507612 109223159 109734848 109844734 112232663 148729408 151962656 152827456 154387592 155266192 156149792 157743844 158641544 161173058 215015224 218446318 219689468 223195151 224465326 303925312 308775184 310532384 312299584 315487688 317283088 322346116 430030448 436892636 439378936 443864327 446390302 448930652 456094439 617550368 621064768 630975376 634566176 644692232 860060896 873785272 878757872 887728654 892780604 897861304 907027103 912188878 932019071 1235100736 1261950752 1263214441 1269132352 1289384464 1720121792 1747570544 1757515744 1775457308 1785561208 1795722608 1814054206 1824377756 1853490167 1864038142 2523901504 2526428882 2578768928 2581351249 3495141088 3515031488 3550914616 3571122416 3591445216 3628108412 3648755512 3706980334 3728076284 3787566863 5052857764 5133488473 5157537856 5162702498 6990282176 7101829232 7142244832 7182890432 7256216824 7297511024 7413960668 7456152568 7575133726 10105715528 10266976946 10325404996 10490172097 14203658464 14284489664 14512433648 14595022048 14827921336 14912305136 15150267452 20211431056 20533953892 20650809992 20861623369 20980344194 21436438633 28407316928 29024867296 29190044096 29655842672 29824610272 30300534904 40422862112 41067907784 41301619984 41723246738 41960688388 42630273841 42872877266 58049734592 59311685344 59371078727 59649220544 60601069808 80845724224 82135815568 82603239968 83446493476 83921376776 85260547682 85745754532 87114037849 118623370688 118742157454 121202139616 164271631136 165206479936 166892986952 167842753552 170521095364 171491509064 174228075698 178015642561 237484314908 241273958231 242404279232 328543262272 333785973904 335685507104 341042190728 342983018128 348456151396 356031285122 474968629816 482547916462 493038088559 667571947808 671371014208 682084381456 685966036256 696912302792 712062570244 949937259632 965095832924 980496298343 986076177118 1335143895616 1364168762912 1371932072512 1393824605584 1424125140488 1899874519264 1930191665848 1960992596686 1972152354236 2003622870527 2728337525824 2787649211168 2848250280976 3799749038528 3860383331696 3921985193372 3944304708472 4007245741054 4094359778903 5575298422336 5696500561952 7720766663392 7843970386744 7888609416944 8014491482108 8188719557806 11339876036857 11393001123904 15441533326784 15687940773488 15777218833888 16028982964216 16377439115612 22679752073714 31375881546976 31554437667776 32057965928432 32754878231224 45359504147428 46083326022121 62751763093952 64115931856864 65509756462448 90719008294856 92166652044242 94170274914769 128231863713728 131019512924896 181438016589712 184333304088484 188340549829538 262039025849792 362876033179424 368666608176968 376681099659076 725752066358848 737333216353936 753362199318152 1474666432707872 1506724398636304 2165916323039687 2949332865415744 3013448797272608 4331832646079374 6026897594545216 8663665292158748 17327330584317496 34654661168634992 69309322337269984 138618644674539968
• Sum of all divisors σ(n): 295371594079882320
• Sum of proper divisors (its aliquot sum) s(n): 156752949405342352
• 138618644674539968 is an abundant number, because the sum of its proper divisors (156752949405342352) is greater than itself. Its abundance is 18134304730802384

Bases of 138618644674539968

• Binary: 111101100011110001110110001000011000100100111000111000000₂
• Hexadecimal: 0x1EC78EC431271C0
• Base-36: 11WW7I8RVJY8

Squares and roots of 138618644674539968

• 138618644674539968 squared (138618644674539968²) is 19215128651406367830930952429441024
• 138618644674539968 cubed (138618644674539968³) is 2663575090904871667324404395070014486816126586847232
• The square root of 138618644674539968 is 372315249.0491625941
• The cube root of 138618644674539968 is 517535.9815967823

Scales and comparisons

• 138,618,644,674,539,968 seconds is equal to 4,407,644,125 years, 1 week, 3 days, 21 hours, 6 minutes, 8 seconds.
• To count from 1 to 138,618,644,674,539,968 would take you about thirteen billion, two hundred twenty-two million, nine hundred thirty-two thousand, three hundred seventy-five 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 138618644674539968 cubic inches would be around 43128 feet tall.

Recreational maths with 138618644674539968

• 138618644674539968 backwards is 869935476446816831
• The number of decimal digits it has is: 18
• The sum of 138618644674539968's digits is 98
• More coming soon!