21006506589187959

Names of 21006506589187959

• Cardinal: 21006506589187959 can be written as Twenty-one quadrillion, six trillion, five hundred six billion, five hundred eighty-nine million, one hundred eighty-seven thousand, nine hundred fifty-nine.

Scientific notation

• Scientific notation: 2.1006506589187959 × 10¹⁶

Factors of 21006506589187959

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 537

Divisors of 21006506589187959

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 9 17 19 21 27 51 57 63 81 119 133 153 171 189 243 289 323 357 361 399 459 491 513 567 867 969 1071 1083 1197 1377 1473 1539 1701 2023 2261 2527 2601 2907 3213 3249 3437 3591 4131 4419 4617 5491 6069 6137 6783 7581 7803 8347 8721 9329 9639 9747 10311 10773 13257 16473 18207 18411 20349 22743 23409 25041 26163 27987 28917 29241 30933 32319 38437 39771 42959 49419 54621 55233 58429 61047 65303 68229 70227 75123 78489 83961 87723 92799 104329 115311 119313 128877 141899 148257 158593 163863 165699 175287 177251 183141 195909 204687 225369 241081 251883 278397 312987 345933 386631 425697 444771 475779 491589 497097 525861 531753 549423 587727 614061 676107 723243 730303 755649 835191 938961 993293 1037799 1110151 1159893 1240757 1277091 1334313 1427337 1491291 1577583 1595259 1687567 1763181 2028321 2169729 2190909 2266947 2696081 2816883 2979879 3013267 3113397 3330453 3479679 3722271 3831273 4098377 4282011 4580539 4732749 4785777 5062701 5289543 6509187 6572727 8088243 8450649 8939637 9039801 9340191 9991359 10439037 11166813 11493819 12295131 12846033 13741617 14198247 14357331 15188103 15868629 18872567 19527561 19718181 21092869 24264729 25351947 26818911 27119403 28688639 29974077 32063773 33500439 34481457 36885393 38538099 41224851 43071993 45564309 51225539 56617701 58582683 59154543 63278607 69672409 72794187 77869163 80456733 81358209 86065917 87030241 89922231 96191319 100501317 110656179 118370771 123674553 136692927 153676617 169853103 177463629 189835821 209017227 218382561 233607489 241370199 244074627 258197751 261090723 269766693 288573957 301503951 331968537 355112313 358578773 371023659 410078781 461029851 487706863 509559309 545084141 569507463 609211687 627051681 655147683 700822467 732223881 774593253 783272169 828595397 865721871 995905611 1065336939 1075736319 1113070977 1323775771 1383089553 1463120589 1479514097 1528677927 1635252423 1708522389 1827635061 1881155043 2012303107 2102467401 2249044649 2323779759 2349816507 2485786191 2597165613 3196010817 3227208957 3971327313 4149268659 4389361767 4438542291 4586033781 4905757269 5125567167 5482905183 5643465129 6036909321 6307402203 6747133947 6971339277 7049449521 7457358573 7791496839 9266430397 9588032451 9681626871 10356598679 11913981939 12447805977 13168085301 13315626873 14086121749 14717271807 15743312543 16448715549 16930395387 18110727963 18922206609 20241401841 21148348563 22372075719 25151739649 27799291191 28764097353 29044880613 31069796037 34209152819 35741945817 38233759033 39504255903 39946880619 42258365247 42731848331 44151815421 47229937629 49346146647 54332183889 60724205523 67116227157 75455218947 83397873573 87134641839 93209388111 102627458457 107225837451 114701277099 118512767709 119840641857 126775095741 128195544993 132455446263 141689812887 148038439941 162996551667 176062177543 182172616569 201348681471 226365656841 239464069733 250193620719 267636313231 279628164333 299122938317 307882375371 321677512353 344103831297 359521925571 380325287223 384586634979 425069438661 488989655001 528186532629 546517849707 649973903561 679096970523 718392209199 726441421627 750580862157 802908939693 838884492999 897368814951 923647126113 1032311493891 1140975861669 1153759904937 1275208315983 1584559597887 1949921710683 2037290911569 2155176627597 2179324264881 2251742586471 2408726819079 2516653478997 2692106444853 2770941378339 3096934481673 3422927585007 3461279714811 3825624947949 4549817324927 4753678793661 5085089951389 5849765132049 6111872734707 6465529882791 6537972794643 7226180457237 8076319334559 8312824135017 9290803445019 10383839144433 12349504167659 13649451974781 14261036380983 15255269854167 17549295396147 19396589648373 19613918383929 21678541371711 24228958003677 37048512502977 40948355924343 42783109142949 45765809562501 52647886188441 58189768945119 58841755151787 65035624115133 72686874011031 86446529173613 111145537508931 122845067773029 137297428687503 157943658565323 176525265455361 259339587520839 333436612526793 368535203319087 411892286062509 778018762562517 1000309837580379 1105605609957261 1235676858187527 2334056287687551 3000929512741137 7002168863062653 21006506589187959
• Sum of all divisors σ(n): 40400301878366976
• Sum of proper divisors (its aliquot sum) s(n): 19393795289179017
• 21006506589187959 is a deficient number, because the sum of its proper divisors (19393795289179017) is less than itself. Its deficiency is 1612711300008942

Bases of 21006506589187959

• Binary: 1001010101000010100111001110011001110000110111101110111₂
• Hexadecimal: 0x4AA14E73386F77
• Base-36: 5QU6NWJ9WFR

Squares and roots of 21006506589187959

• 21006506589187959 squared (21006506589187959²) is 441273319081597138864959030585681
• 21006506589187959 cubed (21006506589187959³) is 9269610884920411017991567773837079289981963015079
• The square root of 21006506589187959 is 144936215.5887477249
• The cube root of 21006506589187959 is 275920.9086421621

Scales and comparisons

• 21,006,506,589,187,959 seconds is equal to 667,941,932 years, 7 weeks, 3 days, 18 hours, 52 minutes, 39 seconds.
• To count from 1 to 21,006,506,589,187,959 would take you about two billion, three million, eight hundred twenty-five thousand, seven hundred ninety-six 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 21006506589187959 cubic inches would be around 22993.4 feet tall.

Recreational maths with 21006506589187959

• 21006506589187959 backwards is 95978198560560012
• 21006506589187959 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21006506589187959's digits is 81
• More coming soon!