21638353318068480

Names of 21638353318068480

• Cardinal: 21638353318068480 can be written as Twenty-one quadrillion, six hundred thirty-eight trillion, three hundred fifty-three billion, three hundred eighteen million, sixty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.163835331806848 × 10¹⁶

Factors of 21638353318068480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 852961

Divisors of 21638353318068480

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 128 140 147 160 168 192 196 210 224 240 245 256 280 294 320 336 384 392 420 448 480 490 560 588 640 672 735 768 784 840 896 960 980 1120 1176 1280 1344 1470 1568 1680 1792 1920 1960 2240 2352 2688 2940 3136 3360 3840 3920 4480 4704 5376 5880 6272 6720 7840 8960 9408 11760 12544 13440 15680 18816 23520 26880 31360 37632 47040 62720 94080 167863 188160 335726 503589 671452 685081 839315 1007178 1175041 1342904 1370162 1678630 2014356 2055243 2350082 2517945 2685808 2740324 3357260 3425405 3525123 4028712 4110486 4700164 4795567 5035890 5371616 5480648 5875205 6714520 6850810 7050246 8057424 8220972 8225287 9400328 9591134 10071780 10276215 10743232 10961296 11750410 13429040 13701620 14100492 14386701 16114848 16441944 16450574 17625615 18800656 19182268 20143560 20552430 21486464 21922592 23500820 23977835 24675861 26858080 27403240 28200984 28773402 32229696 32883888 32901148 33568969 35251230 37601312 38364536 40287120 41104860 41126435 42972928 43845184 47001640 47955670 49351722 53716160 54806480 56401968 57546804 64459392 65767776 65802296 67137938 70502460 71933505 75202624 76729072 80574240 82209720 82252870 87690368 94003280 95911340 98703444 100706907 107432320 109612960 112803936 115093608 123379305 128918784 131535552 131604592 134275876 141004920 143867010 150405248 153458144 161148480 164419440 164505740 167844845 175380736 188006560 191822680 197406888 201413814 214864640 219225920 225607872 230187216 246758610 263071104 263209184 268551752 282009840 287734020 300810496 306916288 322296960 328838880 329011480 335689690 376013120 383645360 394813776 402827628 438451840 451215744 460374432 493517220 503534535 526142208 526418368 537103504 564019680 575468040 613832576 644593920 657677760 658022960 671379380 752026240 767290720 789627552 805655256 876903680 902431488 920748864 987034440 1007069070 1052836736 1074207008 1128039360 1150936080 1227665152 1315355520 1316045920 1342758760 1504052480 1534581440 1579255104 1611310512 1841497728 1974068880 2014138140 2105673472 2148414016 2256078720 2301872160 2630711040 2632091840 2685517520 3069162880 3158510208 3222621024 3682995456 3948137760 4028276280 4296828032 4512157440 4603744320 5264183680 5371035040 6138325760 6317020416 6445242048 7896275520 8056552560 8593656064 9207488640 10528367360 10742070080 12890484096 15792551040 16113105120 18414977280 21484140160 25780968192 31585102080 32226210240 42968280320 64452420480 114999751903 128904840960 229999503806 344999255709 459999007612 574998759515 689998511418 804998263321 919998015224 1149997519030 1379997022836 1609996526642 1724996278545 1839996030448 2299995038060 2414994789963 2759994045672 3219993053284 3449992557090 3679992060896 4024991316605 4599990076120 4829989579926 5519988091344 5634987843247 6439986106568 6899985114180 7359984121792 8049982633210 9199980152240 9659979159852 11039976182688 11269975686494 12074973949815 12879972213136 13799970228360 14719968243584 16099965266420 16904963529741 18399960304480 19319958319704 22079952365376 22539951372988 24149947899630 25759944426272 27599940456720 28174939216235 29439936487168 32199930532840 33809927059482 36799920608960 38639916639408 44159904730752 45079902745976 48299895799260 51519888852544 55199880913440 56349878432470 64399861065680 67619854118964 73599841217920 77279833278816 84524817648705 88319809461504 90159805491952 96599791598520 103039777705088 110399761826880 112699756864940 128799722131360 135239708237928 147199682435840 154559666557632 169049635297410 180319610983904 193199583197040 206079555410176 220799523653760 225399513729880 257599444262720 270479416475856 309119333115264 338099270594820 360639221967808 386399166394080 441599047307520 450799027459760 515198888525440 540958832951712 618238666230528 676198541189640 721278443935616 772798332788160 901598054919520 1030397777050880 1081917665903424 1352397082379280 1442556887871232 1545596665576320 1803196109839040 2163835331806848 2704794164758560 3091193331152640 3606392219678080 4327670663613696 5409588329517120 7212784439356160 10819176659034240 21638353318068480
• Sum of all divisors σ(n): 80390942817784704
• Sum of proper divisors (its aliquot sum) s(n): 58752589499716224
• 21638353318068480 is an abundant number, because the sum of its proper divisors (58752589499716224) is greater than itself. Its abundance is 37114236181647744

Bases of 21638353318068480

• Binary: 1001100110111111111011110111011000011000100000100000000₂
• Hexadecimal: 0x4CDFF7BB0C4100
• Base-36: 5X25MA7UNEO

Squares and roots of 21638353318068480

• 21638353318068480 squared (21638353318068480²) is 468218334317565197994437969510400
• 21638353318068480 cubed (21638353318068480³) is 10131473747960983759238340647859205787659272192000
• The square root of 21638353318068480 is 147099807.3352527541
• The cube root of 21638353318068480 is 278660.0661939973

Scales and comparisons

• 21,638,353,318,068,480 seconds is equal to 688,032,703 years, 36 weeks, 7 hours, 28 minutes.
• To count from 1 to 21,638,353,318,068,480 would take you about two billion, sixty-four million, ninety-eight thousand, one hundred eleven 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 21638353318068480 cubic inches would be around 23221.7 feet tall.

Recreational maths with 21638353318068480

• 21638353318068480 backwards is 08486081335383612
• The number of decimal digits it has is: 17
• The sum of 21638353318068480's digits is 69
• More coming soon!