21228234728122125

Names of 21228234728122125

• Cardinal: 21228234728122125 can be written as Twenty-one quadrillion, two hundred twenty-eight trillion, two hundred thirty-four billion, seven hundred twenty-eight million, one hundred twenty-two thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 2.1228234728122125 × 10¹⁶

Factors of 21228234728122125

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3226

Divisors of 21228234728122125

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 5 9 11 15 25 27 33 41 45 55 75 81 99 123 125 135 165 205 225 275 297 369 375 405 451 495 615 675 825 891 1025 1107 1125 1187 1353 1375 1485 1845 1979 2025 2255 2475 3075 3321 3375 3561 4059 4125 4455 5125 5535 5935 5937 6765 7425 9225 9895 10125 10683 11275 12177 12375 13057 15375 16605 17805 17811 20295 21769 22275 27675 29675 29685 32049 33825 36531 37125 39171 46125 48667 49475 53415 53433 56375 60885 65285 65307 81139 83025 89025 89055 96147 101475 108845 111375 117513 138375 146001 148375 148425 160245 160299 169125 182655 195855 195921 243335 243417 247375 267075 267165 304425 326425 326535 352539 405695 415125 438003 445125 445275 480735 507375 535337 544225 587565 587763 730005 730251 742125 801225 801495 892529 913275 979275 979605 1057617 1216675 1217085 1314009 1335375 1335825 1522125 1606011 1632125 1632675 1762695 1763289 2028475 2190015 2190753 2226375 2349073 2403675 2676685 2677587 2721125 2937825 2938815 3650025 3651255 3916441 3942027 4006125 4007475 4462645 4566375 4818033 4896375 4898025 5288085 6083375 6085425 6570045 6572259 6679125 7047219 8030055 8032761 8163375 8813475 8816445 10142375 10950075 10953765 11745365 11749323 12018375 13383425 13387935 14454099 14689125 14694075 18250125 18256275 19582205 19710135 20037375 21141657 22313225 24090165 24098283 24490125 25839803 26440425 30427125 32850225 32861295 35236095 35247969 40150275 40163805 43080851 43362297 44067375 44082225 54750375 54768825 58726825 58746615 63424971 66917125 66939675 72270495 72294849 73470375 77519409 91281375 96311993 97911025 98550675 105708285 105743907 111566125 120450825 120491415 129199015 129242553 132202125 160574081 164251125 164306475 176180475 176239845 190274913 200751375 200819025 215404255 216811485 220411125 232558227 273844125 288935979 293634125 293733075 317124855 317231721 334698375 361352475 361474245 387597045 387727659 481559965 481722243 489555125 492753375 528541425 528719535 602254125 602457075 645995075 646212765 697674681 802870405 821532375 866807937 880902375 881199225 951374565 1004095125 1059431923 1077021275 1084057425 1162791135 1163182977 1444679895 1445166729 1468665375 1585624275 1586158605 1766314891 1806762375 1807371225 1937985225 1938638295 2093024043 2407799825 2408611215 2600423811 2642707125 2643597675 3012285375 3178295769 3229975375 3231063825 3488373405 3489548931 4014352025 4334039685 4335500187 4405996125 4648815467 4756872825 5297159615 5298944673 5385106375 5420287125 5813955675 5815914885 7223399475 7225833645 7801271433 7928121375 7930793025 8831574455 9036856125 9534887307 9689926125 9693191475 10465120215 12038999125 12043056075 13002119055 13006500561 13217988375 13946446401 15891478845 15896834019 16155319125 17441867025 17447744655 20071760125 21670198425 21677500935 23244077335 23784364125 26485798075 26494723365 28604661921 29069778375 29079574425 36116997375 36129168225 39006357165 39653965125 41839339203 44157872275 47674436535 47690502057 48465957375 51136970137 52325601075 60215280375 65010595275 65032502805 69732232005 79457394225 79484170095 85813985763 87209335125 87238723275 108350992125 108387504675 116220386675 125518017609 132428990375 132473616825 143023309605 143071506171 145397872125 153410910411 180645841125 190601434147 195031785825 209196696015 220789361375 238372182675 238452510285 255684850685 261628005375 325052976375 325162514025 348661160025 376554052827 397286971125 397420850475 429069928815 436193616375 460232731233 541937523375 571804302441 581101933375 627590088045 662368084125 715116548025 715357530855 767054552055 953007170735 975158929125 1045983480075 1191860913375 1192262551425 1278424253425 1380698193699 1625812570125 1715412907323 1743305800125 1882770264135 1987104252375 2096615775617 2145349644075 2301163656165 2859021512205 3137950440225 3575582740125 3576787654275 3835272760275 4142094581097 4765035853675 5146238721969 5229917400375 5961312757125 6289847326851 6392121267125 6903490968495 8577064536615 9413851320675 10483078878085 10726748220375 11505818280825 14295107561025 15438716165907 15689752201125 17883938271375 18869541980553 19176363801375 20710472905485 23825179268375 25731193609845 31449236634255 34517454842475 42885322683075 47069256603375 52415394390425 56608625941659 57529091404125 71475537805125 77193580829535 94347709902765 103552364527425 128655968049225 157246183171275 169825877824977 172587274212375 214426613415375 262076971952125 283043129708295 385967904147675 471738549513825 517761822637125 643279840246125 786230915856375 849129389124885 1415215648541475 1929839520738375 2358692747569125 4245646945624425 7076078242707375 21228234728122125
• Sum of all divisors σ(n): 44286161662334592
• Sum of proper divisors (its aliquot sum) s(n): 23057926934212467
• 21228234728122125 is an abundant number, because the sum of its proper divisors (23057926934212467) is greater than itself. Its abundance is 1829692206090342

Bases of 21228234728122125

• Binary: 1001011011010101111011110001110001011011010011100001101₂
• Hexadecimal: 0x4B6AF78E2DA70D
• Base-36: 5T0S4EKCFT9

Squares and roots of 21228234728122125

• 21228234728122125 squared (21228234728122125²) is 450637949672250230316328914515625
• 21228234728122125 cubed (21228234728122125³) is 9566248173042212716710815447968515592310220703125
• The square root of 21228234728122125 is 145699123.9785679871
• The cube root of 21228234728122125 is 276888.3141265235

Scales and comparisons

• 21,228,234,728,122,125 seconds is equal to 674,992,201 years, 5 weeks, 6 days, 2 hours, 48 minutes, 45 seconds.
• To count from 1 to 21,228,234,728,122,125 would take you about two billion, twenty-four million, nine hundred seventy-six thousand, six hundred three 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 21228234728122125 cubic inches would be around 23074 feet tall.

Recreational maths with 21228234728122125

• 21228234728122125 backwards is 52122182743282212
• The number of decimal digits it has is: 17
• The sum of 21228234728122125's digits is 54
• More coming soon!