90138809748197745927

Names of 90138809748197745927

• Cardinal: 90138809748197745927 can be written as Ninety quintillion, one hundred thirty-eight quadrillion, eight hundred nine trillion, seven hundred forty-eight billion, one hundred ninety-seven million, seven hundred forty-five thousand, nine hundred twenty-seven.

Scientific notation

• Scientific notation: 9.0138809748197745927 × 10¹⁹

Factors of 90138809748197745927

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8435

Divisors of 90138809748197745927

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 7 9 21 31 63 93 151 217 279 453 651 961 1057 1359 1953 2883 3171 4681 6727 8243 8649 9513 14043 20181 22801 24729 29791 32767 42129 57701 60543 68403 74187 89373 98301 145111 159607 173103 205209 208537 255533 268119 294903 435333 478821 519309 625611 706831 766599 923521 1015777 1244693 1305999 1436463 1788731 1876833 2120493 2299797 2770563 3047331 3734079 4498441 4947817 5366193 6361479 6464647 7921523 8311689 8712851 9141993 11202237 13495323 14843451 16098579 19393941 21911761 23764569 26138553 31489087 38585483 40485969 44530353 55450661 58181823 65735283 67947049 71293707 78415659 94467261 115756449 139451671 153382327 166351983 187948643 197205849 203841147 245567213 270098381 283401783 347269347 418355013 460146981 475629343 499055949 563845929 611523441 679264591 736701639 810295143 976161697 1196149973 1255065039 1315640501 1380440943 1426888029 1691537787 1718970491 2037793773 2106358519 2210104917 2430885429 2928485091 3588449919 3946921503 4280664087 4754852137 5156911473 5826407933 6113381319 6319075557 7612583603 8373049811 8785455273 10260004399 10765349757 11840764509 14264556411 14744509633 15470734419 17479223799 18957226671 21057202321 22837750809 25119149433 30780013197 37080649163 40784855531 42793669233 44233528899 52437671397 53288085221 63171606963 65297114089 68513252427 71820030793 75357448299 92340039591 111241947489 122354566593 132700586697 147400416247 159864255663 180618645923 189514820889 195891342267 215460092379 259564544141 318060136369 333725842467 367063699779 442201248741 457079798623 479592766989 541855937769 587674026801 646380277137 778693632423 954180409107 1149500124053 1264330521461 1326603746223 1371239395869 1549260664249 1625567813307 2024210536759 2226420954583 2336080897269 2862541227321 3448500372159 3792991564383 4113718187607 4647781992747 5599178023613 6072631610277 6679262863749 8046500868371 9859864227439 10345501116477 10844824649743 11378974693149 13943345978241 14169473757313 16797534070839 18217894830831 20037788591247 24139502605113 29579592682317 32534473949229 39194246165291 42508421271939 48027080591719 50392602212517 62750526639529 69019049592073 72418507815339 88738778046951 97603421847687 117582738495873 127525263815817 144081241775157 173574518732003 188251579918587 207057148776219 305655791050609 336189564142033 352748215487619 432243725325471 439253686476703 520723556196009 564754739755761 621171446328657 916967373151827 1008568692426099 1215021631124021 1317761059430109 1488839498343289 1562170668588027 2139590537354263 2750902119455481 3025706077278297 3645064893372063 3953283178290327 4466518495029867 6418771612062789 9475329522568879 10421876488403023 10935194680116189 13399555485089601 19256314836188367 28425988567706637 31265629465209069 46154024448641959 66327306657982153 85277965703119911 93796888395627207 138462073345925877 198981919973946459 323078171140493713 415386220037777631 596945759921839377 969234513421481139 1430774757907900729 2907703540264443417 4292324273723702187 10015423305355305103 12876972821171106561 30046269916065915309 90138809748197745927
• Sum of all divisors σ(n): 154804394349252527880
• Sum of proper divisors (its aliquot sum) s(n): 64665584601054781953
• 90138809748197745927 is a deficient number, because the sum of its proper divisors (64665584601054781953) is less than itself. Its deficiency is 25473225147142963974

Bases of 90138809748197745927

• Binary: 1001110001011101101011000011110001111011101110110000010010100000111₂
• Hexadecimal: 0x4E2ED61E3DDD82507
• Base-36: J0TYTB5SGWF7R

Squares and roots of 90138809748197745927

• 90138809748197745927 squared (90138809748197745927²) is 8125005022821788988488628896243645089329
• 90138809748197745927 cubed (90138809748197745927³) is 732378281955284322392495432959208232811107882395140360912983
• The square root of 90138809748197745927 is 9494146077.8838739083
• The cube root of 90138809748197745927 is 4483707.4988884281

Scales and comparisons

• 90,138,809,748,197,745,927 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 90,138,809,748,197,745,927 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 90138809748197745927 cubic inches would be around 373642.3 feet tall.

Recreational maths with 90138809748197745927

• 90138809748197745927 backwards is 72954779184790883109
• The number of decimal digits it has is: 20
• The sum of 90138809748197745927's digits is 108
• More coming soon!