21395121689671040

Names of 21395121689671040

• Cardinal: 21395121689671040 can be written as Twenty-one quadrillion, three hundred ninety-five trillion, one hundred twenty-one billion, six hundred eighty-nine million, six hundred seventy-one thousand and forty.

Scientific notation

• Scientific notation: 2.139512168967104 × 10¹⁶

Factors of 21395121689671040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1483

Divisors of 21395121689671040

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 41 62 64 80 82 124 127 128 155 160 164 205 248 254 310 320 328 410 496 508 620 635 640 656 820 992 1016 1240 1270 1271 1277 1312 1640 1984 2032 2480 2540 2542 2554 2624 3280 3937 3968 4064 4960 5080 5084 5108 5207 5248 6355 6385 6560 7874 8128 9920 10160 10168 10216 10414 12710 12770 13120 15748 16129 16256 19685 19840 20320 20336 20432 20828 25420 25540 26035 26240 31496 32258 39370 39587 40640 40672 40864 41656 50840 51080 52070 52357 62992 64516 78740 79174 80645 81280 81344 81728 83312 101680 102160 104140 104714 125984 129032 157480 158348 161290 161417 162179 162688 163456 166624 197935 203360 204320 208280 209428 251968 258064 261785 314960 316696 322580 322834 324358 333248 395870 406720 408640 416560 418856 499999 503936 516128 523570 629920 633392 645160 645668 648716 661289 666496 791740 807085 810895 813440 817280 833120 837712 999998 1032256 1047140 1259840 1266784 1290320 1291336 1297432 1322578 1583480 1614170 1621790 1623067 1630729 1666240 1675424 1999996 2064512 2094280 2499995 2519680 2533568 2580640 2582672 2594864 2645156 3166960 3228340 3243580 3246134 3261458 3306445 3332480 3350848 3999992 4188560 4999990 5027549 5067136 5161280 5165344 5189728 5290312 6333920 6456680 6487160 6492268 6522916 6612890 6649339 6701696 7999984 8115335 8153645 8377120 9999980 10055098 10322560 10330688 10379456 10580624 12667840 12913360 12974320 12984536 13045832 13225780 13298678 15999968 16230670 16307290 16754240 19999960 20110196 20499959 20596733 20661376 20758912 21161248 25137745 25335680 25826720 25948640 25969072 26091664 26451560 26597356 31999936 32461340 32614580 33246695 33508480 39999920 40220392 40999918 41193466 42322496 50275490 50552599 51653440 51897280 51938144 52183328 52903120 53194712 63999872 64922680 65229160 66493390 66859889 79999840 80440784 81999836 82386932 84644992 100550980 101105198 102499795 102983665 103306880 103794560 103876288 104366656 105806240 106389424 129845360 130458320 132986780 133719778 159999680 160881568 163999672 164773864 201101960 202210396 204999590 205967330 206129509 207102583 207752576 208733312 211612480 212778848 252762995 259690720 260916640 265973560 267439556 319999360 321763136 327999344 329547728 334299445 402203920 404420792 409999180 411934660 412259018 414205166 423224960 425557696 505525990 519381440 521833280 531947120 534879112 638498723 643526272 655998688 659095456 668598890 804407840 808841584 819998360 823869320 824518036 828410332 844466053 851115392 1011051980 1030647545 1035512915 1038762880 1043666560 1063894240 1069758224 1276997446 1311997376 1318190912 1337197780 1608815680 1617683168 1639996720 1647738640 1649036072 1656820664 1688932106 2022103960 2061295090 2071025830 2072656559 2127788480 2139516448 2553994892 2623994752 2636381824 2674395560 3192493615 3217631360 3235366336 3279993440 3295477280 3298072144 3313641328 3377864212 4044207920 4122590180 4142051660 4145313118 4222330265 4255576960 4279032896 5107989784 5348791120 6384987230 6420180073 6470732672 6559986880 6590954560 6596144288 6627282656 6755728424 8088415840 8245180360 8284103320 8290626236 8444660530 8491205903 8558065792 10215979568 10363282795 10697582240 12769974460 12840360146 13119973760 13181909120 13192288576 13254565312 13511456848 16176831680 16490360720 16568206640 16581252472 16889321060 16982411806 20431959136 20726565590 21395164480 25539948920 25680720292 26178447643 26302028041 26384577152 26509130624 27022913696 32100900365 32353663360 32980721440 33136413280 33162504944 33778642120 33964823612 40863918272 41453131180 42456029515 42790328960 51079897840 51361440584 52356895286 52604056082 54045827392 64201800730 65961442880 66272826560 66325009888 67557284240 67929647224 81727836544 82906262360 84912059030 102159795680 102722881168 104713790572 105208112164 108091654784 128403601460 130892238215 131510140205 131922885760 132545653120 132650019776 135114568480 135859294448 165812524720 169824118060 204319591360 205445762336 209427581144 210416224328 256807202920 261784476430 263020280410 263227382993 265300039552 270229136960 271718588896 331625049440 339648236120 408639182720 410891524672 418855162288 420832448656 513614405840 523568952860 526040560820 526454765986 540458273920 543437177792 663250098880 679296472240 815362869271 821783049344 837710324576 841664897312 1027228811680 1047137905720 1052081121640 1052909531972 1078383149681 1086874355584 1316136914965 1326500197760 1358592944480 1630725738542 1675420649152 1683329794624 2054457623360 2094275811440 2104162243280 2105819063944 2156766299362 2632273829930 2717185888960 3261451477084 3350841298304 3366659589248 4076814346355 4108915246720 4188551622880 4208324486560 4211638127888 4313532598724 5264547659860 5391915748405 5434371777920 6522902954168 8153628692710 8377103245760 8416648973120 8423276255776 8627065197448 10529095319720 10783831496810 13045805908336 16307257385420 16754206491520 16833297946240 16846552511552 17254130394896 21058190639440 21567662993620 26091611816672 32614514770840 33429877640111 33693105023104 34508260789792 42116381278880 43135325987240 52183223633344 65229029541680 66859755280222 69016521579584 84232762557760 86270651974480 104366447266688 130458059083360 133719510560444 138033043159168 167149388200555 168465525115520 172541303948960 260916118166720 267439021120888 334298776401110 345082607897920 521832236333440 534878042241776 668597552802220 690165215795840 1069756084483552 1337195105604440 2139512168967104 2674390211208880 4279024337934208 5348780422417760 10697560844835520 21395121689671040
• Sum of all divisors σ(n): 54557331806839680
• Sum of proper divisors (its aliquot sum) s(n): 33162210117168640
• 21395121689671040 is an abundant number, because the sum of its proper divisors (33162210117168640) is greater than itself. Its abundance is 11767088427497600

Bases of 21395121689671040

• Binary: 1001100000000101011111111110100001111010011010110000000₂
• Hexadecimal: 0x4C02BFF43D3580
• Base-36: 5UNXR7SCW3K

Squares and roots of 21395121689671040

• 21395121689671040 squared (21395121689671040²) is 457751232115832177637823414681600
• 21395121689671040 cubed (21395121689671040³) is 9793643314715083770862104550688426213410340864000
• The square root of 21395121689671040 is 146270713.7114981057
• The cube root of 21395121689671040 is 277612.0119823653

Scales and comparisons

• 21,395,121,689,671,040 seconds is equal to 680,298,690 years, 14 weeks, 2 days, 1 hour, 57 minutes, 20 seconds.
• To count from 1 to 21,395,121,689,671,040 would take you about two billion, forty million, eight hundred ninety-six thousand and seventy 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 21395121689671040 cubic inches would be around 23134.3 feet tall.

Recreational maths with 21395121689671040

• 21395121689671040 backwards is 04017698612159312
• The number of decimal digits it has is: 17
• The sum of 21395121689671040's digits is 65
• More coming soon!