138257252168526981270

Names of 138257252168526981270

• Cardinal: 138257252168526981270 can be written as One hundred thirty-eight quintillion, two hundred fifty-seven quadrillion, two hundred fifty-two trillion, one hundred sixty-eight billion, five hundred twenty-six million, nine hundred eighty-one thousand, two hundred seventy.

Scientific notation

• Scientific notation: 1.3825725216852698127 × 10²⁰

Factors of 138257252168526981270

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 27074200333

Divisors of 138257252168526981270

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 121 135 162 165 198 242 270 297 330 363 405 495 594 605 726 810 891 990 1089 1210 1485 1782 1815 2178 2970 3267 3630 4455 5445 6534 8910 9801 10890 16335 19602 32670 49005 52103 98010 104206 156309 260515 312618 468927 521030 573133 781545 937854 1146266 1406781 1563090 1719399 2344635 2813562 2865665 3438798 4220343 4689270 5158197 5731330 6304463 7033905 8440686 8596995 10316394 12608926 14067810 15474591 17193990 18913389 21101715 25790985 30949182 31522315 37826778 42203430 46423773 51581970 56740167 63044630 77372955 92847546 94566945 113480334 154745910 170220501 189133890 232118865 283700835 340441002 464237730 510661503 567401670 851102505 1021323006 1702205010 2553307515 5106615030 27074148209 54148296418 81222444627 135370741045 162444889254 243667333881 270741482090 297815630299 406112223135 487334667762 595631260598 731002001643 812224446270 893446890897 1218336669405 1462004003286 1489078151495 1786893781794 2193006004929 2436673338810 2680340672691 2978156302990 3275971933289 3655010008215 4386012009858 4467234454485 5360681345382 6551943866578 7310020016430 8041022018073 8934468908970 9827915799867 10965030024645 13401703363455 16082044036146 16379859666445 19655831599734 21930060049290 24123066054219 26803406726910 29483747399601 32759719332890 40205110090365 48246132108438 49139578999335 58967494799202 80410220180730 88451242198803 98279157998670 120615330271095 147418736998005 176902484397606 241230660542190 265353726596409 294837473996010 442256210994015 530707453192818 884512421988030 1326768632982045 1410644344133527 2653537265964090 2821288688267054 4231933032400581 7053221720667635 8463866064801162 12695799097201743 14106443441335270 15517087785468797 21159665162002905 25391598194403486 31034175570937594 38087397291605229 42319330324005810 46551263356406391 63478995486008715 76174794583210458 77585438927343985 93102526712812782 114262191874815687 126957990972017430 139653790069219173 155170877854687970 170687965640156767 190436986458026145 228524383749631374 232756316782031955 279307580138438346 341375931280313534 380873972916052290 418961370207657519 465512633564063910 512063896920470301 571310959374078435 698268950346095865 837922740415315038 853439828200783835 1024127793840940602 1142621918748156870 1256884110622972557 1396537900692191730 1536191690761410903 1706879656401567670 2094806851038287595 2513768221245945114 2560319484602351505 3072383381522821806 4189613702076575190 4608575072284232709 5120638969204703010 6284420553114862785 7680958453807054515 9217150144568465418 12568841106229725570 13825725216852698127 15361916907614109030 23042875361421163545 27651450433705396254 46085750722842327090 69128626084263490635 138257252168526981270
• Sum of all divisors σ(n): 408634832434436768160
• Sum of proper divisors (its aliquot sum) s(n): 270377580265909786890
• 138257252168526981270 is an abundant number, because the sum of its proper divisors (270377580265909786890) is greater than itself. Its abundance is 132120328097382805620

Bases of 138257252168526981270

• Binary: 1110111111010110100011011100101010000110110101001111110100010010110₂
• Hexadecimal: 0x77EB46E5436A7E896
• Base-36: T6EW9KIF6D7DI

Squares and roots of 138257252168526981270

• 138257252168526981270 squared (138257252168526981270²) is 19115067777191658664892683495978930812900
• 138257252168526981270 cubed (138257252168526981270³) is 2642796745889671673591610488078402502176559544220224174383000
• The square root of 138257252168526981270 is 11758284405.8360393647
• The cube root of 138257252168526981270 is 5170858.3436011723

Scales and comparisons

• 138,257,252,168,526,981,270 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,257,252,168,526,981,270 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138257252168526981270 cubic inches would be around 430904.9 feet tall.

Recreational maths with 138257252168526981270

• 138257252168526981270 backwards is 072189625861252752831
• 138257252168526981270 is a Harshad number.
• The number of decimal digits it has is: 21
• The sum of 138257252168526981270's digits is 90
• More coming soon!