21381764815125

Names of 21381764815125

• Cardinal: 21381764815125 can be written as Twenty-one trillion, three hundred eighty-one billion, seven hundred sixty-four million, eight hundred fifteen thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 2.1381764815125 × 10¹³

Factors of 21381764815125

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 190

Divisors of 21381764815125

• Number of divisors d(n): 960
• Complete list of divisors:
  1 3 5 9 11 13 15 25 27 31 33 39 45 55 65 75 81 93 99 117 121 125 127 135 143 155 165 195 225 275 279 297 325 341 351 363 375 381 403 405 429 465 495 585 605 635 675 715 775 825 837 891 961 975 1023 1053 1089 1125 1143 1209 1287 1331 1375 1395 1397 1485 1573 1625 1651 1705 1755 1815 1905 2015 2025 2145 2325 2475 2511 2883 2925 3025 3069 3175 3267 3375 3429 3575 3627 3751 3861 3875 3937 3993 4125 4185 4191 4433 4455 4719 4805 4875 4953 5115 5265 5445 5715 6045 6435 6655 6975 6985 7425 7865 8255 8525 8649 8775 9075 9207 9525 9801 10075 10125 10287 10571 10725 10881 11253 11583 11625 11811 11979 12375 12493 12555 12573 13299 14157 14415 14625 14859 15125 15345 15367 15875 16335 17145 17303 17875 18135 18161 18755 19305 19685 19965 20925 20955 22165 22275 23595 24025 24765 25575 25947 26325 27225 27621 28575 30225 31713 32175 32643 33275 33759 34875 34925 35433 35937 37125 37479 37719 39325 39897 41261 41275 42471 42625 43245 43307 43875 44577 45375 46035 46101 47625 48763 49005 50375 51181 51435 51909 52855 53625 54405 54483 56265 57915 59055 59895 62465 62775 62865 66495 70785 72075 74295 76725 76835 77841 81675 85725 86515 90675 90805 93775 95139 96525 98425 99825 101277 104625 104775 106299 107811 110825 111375 112437 113157 116281 117975 119691 120125 122047 123783 123825 127413 127875 129735 129921 131625 133731 136125 137423 138105 138303 142875 146289 151125 153543 155727 158565 160875 163215 163449 166375 168795 169037 174625 177165 179685 187395 188595 196625 199485 199771 206305 206375 212355 216225 216535 222885 230175 230505 243815 245025 255905 257175 259545 264275 272025 272415 281325 285417 289575 295275 299475 303831 312325 313875 314325 318897 332475 337311 348843 353925 359073 360375 366141 371349 371475 383625 384175 389205 389763 408375 412269 414909 428625 432575 438867 453375 454025 460629 467181 468875 475695 476377 482625 490347 492125 499125 506385 507111 523875 531495 536393 539055 554125 562185 562991 565785 581405 589875 598455 599313 610235 618915 619125 637065 648675 649605 668655 687115 690525 691515 731445 767715 778635 792825 816075 817245 843975 845185 856251 885825 898425 936975 942975 997425 998855 1011933 1031525 1046529 1061775 1081125 1082675 1098423 1114047 1114425 1150875 1152525 1169289 1219075 1225125 1236807 1244727 1279091 1279525 1285875 1297725 1316601 1321375 1342517 1360125 1362075 1381887 1401543 1406625 1427085 1429131 1447875 1471041 1476375 1497375 1511653 1519155 1521333 1561625 1571625 1586611 1594485 1609179 1662375 1686555 1688973 1744215 1769625 1795365 1797939 1830705 1856745 1857375 1920875 1946025 1948815 2061345 2074545 2162875 2194335 2197481 2270125 2303145 2335905 2378475 2381885 2451735 2531925 2535555 2657475 2681965 2695275 2810925 2814955 2828925 2907025 2992275 2996565 3051175 3094575 3139587 3185325 3243375 3248025 3295269 3342141 3343275 3435575 3452625 3457575 3507867 3657225 3710421 3837273 3838575 3893175 3949803 3964125 4027551 4080375 4086225 4145661 4219875 4225925 4281255 4287393 4429125 4492125 4534959 4563999 4684875 4714875 4759833 4827537 4987125 4994275 5059665 5066919 5157625 5232645 5240147 5308875 5393817 5413375 5492115 5570235 5572125 5762625 5846445 6095375 6184035 6192901 6223635 6395455 6397625 6488625 6583005 6592443 6712585 6810375 6909435 7007715 7135425 7145655 7355205 7558265 7595775 7606665 7933055 7972425 8045895 8432775 8444865 8721075 8976825 8989695 9153525 9283725 9418761 9730125 9744075 9885807 10306725 10372725 10971675 10987405 11131263 11511819 11515725 11679525 11892375 11909425 12082653 12258675 12659625 12677775 12862179 13287375 13409825 13476375 13604877 13691997 14054625 14074775 14144625 14279499 14482611 14535125 14767687 14961375 14982825 15200757 15255875 15472875 15697935 15720441 15926625 16181451 16240125 16476345 16628183 16710705 16716375 17177875 17287875 17452721 17539335 18286125 18552105 18578703 19186365 19192875 19465875 19749015 19777329 20137755 20431125 20728305 21129625 21406275 21436965 22674795 22819995 23799165 24137685 24971375 25298325 25334595 26163225 26200735 26969085 27460575 27851175 29232225 30920175 30964505 31118175 31977275 32915025 32962215 33562925 34535457 34547175 35038575 35677125 35728275 36247959 36776025 37791325 37978875 38033325 38586537 39665275 39862125 40229475 40814631 42163875 42224325 42838497 43447833 43605375 44303061 44884125 44948475 45602271 45767625 46418625 47093805 47161323 48720375 49429035 49884549 51533625 51863625 52358163 54858375 54937025 55656315 55736109 57559095 57578625 58397625 59331987 59547125 60413265 61293375 63388875 64310895 67049125 68024385 68121911 68459985 70373875 71397495 72413055 73838435 74914125 76003785 78489675 78602205 80907255 82381725 83140915 83553525 87263605 87696675 92760525 92893515 95931825 98745075 98886645 100688775 103606371 103641525 107031375 107184825 108743877 113373975 114099975 118995825 120688425 122443893 126491625 126672975 128515491 130816125 131003675 132909183 134845425 137302875 139255875 141483969 146161125 149653647 154600875 154822525 155590875 157074489 159886375 162444557 164575125 164811075 167208327 167814625 172677285 172735875 175192875 177995961 178641375 181239795 183880125 188956625 190166625 191979931 192932685 198326375 201147375 204073155 204365733 211121625 214192485 217239165 221515305 224742375 228011355 235469025 235806615 247145175 249422745 261790815 274685125 278281575 278680545 287795475 296659935 302066325 321554475 340121925 340609555 342299925 356987475 362065275 369192175 380018925 392448375 393011025 398727549 404536275 411908625 415704575 417767625 424451907 436318025 438483375 448960941 463802625 464467575 471223467 479659125 487333671 493725375 494433225 501624981 503443875 518031855 518207625 535924125 543719385 566869875 570499875 575939793 594979125 603442125 612219465 613097199 633364875 642577455 655018375 664545915 674227125 707419845 748268235 774112625 785372445 812222785 824055375 836041635 863386425 889979805 906198975 959899655 964663425 1020365775 1021828665 1070962425 1086195825 1107576525 1140056775 1177345125 1179033075 1196182647 1235725875 1247113725 1308954075 1346882823 1391407875 1393402725 1413670401 1438977375 1462001013 1483299675 1510331625 1607772375 1700609625 1703047775 1711499625 1727819379 1784937375 1810326375 1839291597 1845960875 1900094625 1965055125 1993637745 2022681375 2078522875 2111779241 2122259535 2181590125 2244804705 2322337875 2356117335 2436668355 2472166125 2508124905 2590159275 2718596925 2879698965 3061097325 3065485995 3212887275 3322729575 3537099225 3741341175 3926862225 4061113925 4180208175 4316932125 4386003039 4449899025 4530994875 4799498275 4823317125 5101828875 5109143325 5183458137 5354812125 5430979125 5517874791 5537882625 5700283875 5895165375 5980913235 6235568625 6335337723 6544770375 6734414115 6967013625 7068352005 7310005065 7416498375 8515238875 8639096895 9196457985 9968188725 10558896205 10611297675 11224023525 11780586675 12183341775 12540624525 12950796375 13158009117 13592984625 14398494825 15305486625 15327429975 15550374411 16064436375 16613647875 17685496125 18706705875 19006013169 19634311125 20305569625 20901040875 21930015195 22249495125 23997491375 25545716625 25917290685 27589373955 29904566175 31676688615 33672070575 35341760025 36550025325 43195484475 45982289925 49840943625 52794481025 53056488375 56120117625 57018039507 58902933375 60916708875 62703122625 65790045585 71992474125 76637149875 77751872055 95030065845 109650075975 129586453425 137946869775 149522830875 158383443075 168360352875 171054118521 176708800125 182750126625 215977422375 229911449625 263972405125 285090197535 328950227925 388759360275 475150329225 548250379875 647932267125 689734348875 791917215375 855270592605 1425450987675 1644751139625 1943796801375 2375751646125 4276352963025 7127254938375 21381764815125
• Sum of all divisors σ(n): 49174312771584
• Sum of proper divisors (its aliquot sum) s(n): 27792547956459
• 21381764815125 is an abundant number, because the sum of its proper divisors (27792547956459) is greater than itself. Its abundance is 6410783141334

Bases of 21381764815125

• Binary: 100110111001001010100011111110001100100010101₂
• Hexadecimal: 0x1372547F1915
• Base-36: 7KUNAPKB9

Squares and roots of 21381764815125

• 21381764815125 squared (21381764815125²) is 457179866609317425428765625
• 21381764815125 cubed (21381764815125³) is 9775312386050644161525331807685080078125
• The square root of 21381764815125 is 4624042.0429668457
• The cube root of 21381764815125 is 27755.4229328713

Scales and comparisons

• 21,381,764,815,125 seconds is equal to 679,873 years, 51 weeks, 19 hours, 18 minutes, 45 seconds.
• To count from 1 to 21,381,764,815,125 would take you about one million, six hundred ninety-nine thousand, six hundred eighty-four 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 21381764815125 cubic inches would be around 2313 feet tall.

Recreational maths with 21381764815125

• 21381764815125 backwards is 52151846718312
• The number of decimal digits it has is: 14
• The sum of 21381764815125's digits is 54
• More coming soon!