138291211988478

Names of 138291211988478

• Cardinal: 138291211988478 can be written as One hundred thirty-eight trillion, two hundred ninety-one billion, two hundred eleven million, nine hundred eighty-eight thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 1.38291211988478 × 10¹⁴

Factors of 138291211988478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 190

Divisors of 138291211988478

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 6 9 18 27 31 53 54 62 81 93 101 106 159 162 186 202 279 303 318 477 558 606 837 909 954 961 1431 1643 1674 1818 1922 2511 2727 2809 2862 2883 3131 3286 4293 4929 5022 5353 5454 5618 5766 6262 8181 8427 8586 8649 9393 9858 10201 10706 14787 16059 16362 16854 17298 18786 20402 25281 25947 28179 29574 29791 30603 32118 44361 48177 50562 50933 51894 56358 59582 61206 75843 77841 84537 87079 88722 89373 91809 96354 97061 101866 133083 144531 151686 152799 155682 165943 169074 174158 178746 183618 194122 227529 253611 261237 266166 268119 275427 283709 289062 291183 305598 316231 331886 433593 455058 458397 497829 507222 522474 536238 540653 550854 567418 582366 632462 783711 804357 826281 851127 867186 873549 916794 948693 995658 1081306 1375191 1493487 1567422 1578923 1608714 1621959 1652562 1702254 1747098 1897386 2351133 2413071 2553381 2620647 2699449 2750382 2846079 2986974 3008891 3157846 3243918 4125573 4480461 4702266 4736769 4826142 4865877 5106762 5144233 5241294 5398898 5692158 6017782 7053399 7660143 7861941 8098347 8251146 8538237 8794979 8960922 9026673 9473538 9731754 9803161 10288466 13441383 14106798 14210307 14597631 15320286 15432699 15723882 16196694 16760243 17076474 17589958 18053346 19606322 22980429 24295041 25614711 26384937 26882766 27080019 28420614 28654609 29195262 29409483 30865398 33520486 42630921 43792893 45960858 46298097 48590082 50280729 51229422 52769874 54160038 57309218 58818966 72885123 79154811 81240057 83682919 85261842 85963827 87585786 88228449 92596194 100561458 127892763 138894291 145770246 150842187 158309622 159471223 162480114 167365838 171927654 176456898 218655369 237464433 243720171 251048757 255785526 257891481 264685347 272644349 277788582 301684374 303897991 318942446 416682873 437310738 452526561 474928866 478413669 487440342 502097514 515782962 519567533 529370694 545288698 607795982 712393299 753146271 773674443 794056041 817933047 833365746 888292879 905053122 911693973 956827338 1039135066 1357579683 1424786598 1435241007 1506292542 1547348886 1558702599 1588112082 1635866094 1776585758 1823387946 2259438813 2321023329 2453799141 2664878637 2715159366 2735081919 2870482014 3117405198 4305723021 4518877626 4642046658 4676107797 4907598282 5329757274 5470163838 6778316439 7361397423 7994635911 8205245757 8451974819 8611446042 9352215594 12917169063 13556632878 14028323391 14722794846 15989271822 16106593523 16410491514 16903949638 22084192269 23983907733 24615737271 25355924457 25834338126 27537079249 28056646782 32213187046 42084970173 44168384538 47967815466 48319780569 49231474542 50711848914 55074158498 71951723199 76067773371 82611237747 84169940346 96639561138 143903446398 144959341707 152135546742 165222475494 228203320113 247833713241 289918683414 434878025121 456406640226 495667426482 684609960339 743501139723 853649456719 869756050242 1304634075363 1369219920678 1487002279446 1707298913438 2230503419169 2560948370157 2609268150726 4461006838338 5121896740314 7682845110471 15365690220942 23048535331413 46097070662826 69145605994239 138291211988478
• Sum of all divisors σ(n): 329622404599488
• Sum of proper divisors (its aliquot sum) s(n): 191331192611010
• 138291211988478 is an abundant number, because the sum of its proper divisors (191331192611010) is greater than itself. Its abundance is 53039980622532

Bases of 138291211988478

• Binary: 11111011100011001101110100100001110110111111110₂
• Hexadecimal: 0x7DC66E90EDFE
• Base-36: 1D0Q3T1LVI

Squares and roots of 138291211988478

• 138291211988478 squared (138291211988478²) is 19124459313242161310804756484
• 138291211988478 cubed (138291211988478³) is 2644744657052594116963522286914126203791352
• The square root of 138291211988478 is 11759728.3977342777
• The cube root of 138291211988478 is 51712.8167773621

Scales and comparisons

• 138,291,211,988,478 seconds is equal to 4,397,232 years, 40 weeks, 3 days, 8 hours, 21 minutes, 18 seconds.
• To count from 1 to 138,291,211,988,478 would take you about ten million, nine hundred ninety-three thousand and eighty-one 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 138291211988478 cubic inches would be around 4309.4 feet tall.

Recreational maths with 138291211988478

• 138291211988478 backwards is 874889112192831
• The number of decimal digits it has is: 15
• The sum of 138291211988478's digits is 72
• More coming soon!