18121229425643008

Names of 18121229425643008

• Cardinal: 18121229425643008 can be written as Eighteen quadrillion, one hundred twenty-one trillion, two hundred twenty-nine billion, four hundred twenty-five million, six hundred forty-three thousand and eight.

Scientific notation

• Scientific notation: 1.8121229425643008 × 10¹⁶

Factors of 18121229425643008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 850

Divisors of 18121229425643008

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 41 49 56 62 64 82 98 112 124 128 164 196 217 224 248 256 287 328 392 434 448 496 512 574 656 769 784 868 896 961 992 1148 1271 1312 1519 1538 1568 1736 1792 1922 1984 2009 2296 2542 2624 3038 3076 3136 3472 3584 3844 3968 4018 4592 5084 5248 5383 6076 6152 6272 6727 6944 7688 7936 8036 8897 9184 10168 10496 10766 12152 12304 12544 13454 13888 15376 15872 16072 17794 18368 20336 20992 21532 23839 24304 24608 25088 26908 27776 29791 30752 31529 32144 35588 36736 37681 39401 40672 43064 47089 47678 48608 49216 53816 55552 59582 61504 62279 63058 64288 71176 73472 75362 78802 81344 86128 94178 95356 97216 98432 107632 111104 119164 123008 124558 126116 128576 142352 146944 150724 157604 162688 166873 172256 188356 190712 194432 196864 208537 215264 220703 238328 246016 249116 252232 257152 275807 284704 301448 315208 325376 333746 344512 376712 381424 388864 393728 417074 430528 441406 476656 492032 498232 504464 514304 551614 569408 591361 602896 630416 650752 667492 689024 739009 753424 762848 777728 834148 861056 882812 953312 977399 996464 1008928 1028608 1103228 1138816 1168111 1182722 1205792 1221431 1260832 1334984 1378048 1459759 1478018 1506848 1525696 1544921 1668296 1722112 1765624 1906624 1930649 1954798 1992928 2017856 2206456 2277632 2336222 2365444 2411584 2442862 2521664 2669968 2756096 2919518 2956036 3013696 3051392 3089842 3336592 3444224 3531248 3813248 3861298 3909596 3985856 4035712 4139527 4412912 4555264 4672444 4730888 4823168 4885724 5043328 5173063 5339936 5839036 5912072 6027392 6102784 6179684 6673184 6841793 7062496 7626496 7722596 7819192 7971712 8071424 8279054 8550017 8825824 9344888 9461776 9646336 9771448 10086656 10346126 10679872 11678072 11824144 12054784 12205568 12359368 13346368 13683586 14124992 15252992 15445192 15638384 15943424 16142848 16558108 17100034 17651648 18332191 18689776 18923552 19292672 19542896 20173312 20692252 21359744 22909279 23356144 23648288 24109568 24245801 24718736 26692736 27367172 28249984 28976689 30299369 30890384 31276768 31886848 33116216 34200068 35303296 36211441 36664382 37379552 37847104 39085792 41384504 42719488 45818558 46712288 47296576 47892551 48491602 49437472 53385472 54734344 56499968 57953378 59850119 60598738 61780768 62553536 66232432 68400136 70606592 72422882 73328764 74759104 75694208 78171584 82769008 85438976 91637116 93424576 94593152 95785102 96983204 98874944 106770944 109468688 112999936 115906756 119700238 121197476 123561536 125107072 128325337 132464864 136800272 141213184 144845764 146657528 149518208 151388416 156343168 160364953 165538016 169720607 183274232 186849152 189186304 191570204 193966408 197749888 212095583 218937376 231813512 239400476 242394952 247123072 250214144 256650674 264929728 273600544 289691528 293315056 299036416 302776832 312686336 320729906 331076032 339441214 366548464 373698304 378372608 383140408 387932816 395499776 424191166 437874752 463627024 478800952 484789904 494246144 500428288 513301348 529859456 547201088 568297921 579383056 586630112 598072832 625372672 641459812 662152064 678882428 733096928 747396608 751619831 766280816 775865632 790999552 848382332 875749504 898277359 927254048 939280439 957601904 969579808 988492288 1026602696 1059718912 1094402176 1122554671 1136595842 1158766112 1173260224 1188044249 1282919624 1324304128 1357764856 1466193856 1484669081 1503239662 1532561632 1551731264 1696764664 1751499008 1796554718 1854508096 1878560878 1915203808 1939159616 2053205392 2119437824 2188804352 2245109342 2273191684 2317532224 2346520448 2376088498 2565839248 2648608256 2715529712 2932387712 2969338162 3006479324 3065123264 3103462528 3393529328 3502998016 3593109436 3709016192 3757121756 3830407616 3878319232 3978085447 4106410784 4377608704 4490218684 4546383368 4635064448 4693040896 4752176996 5131678496 5261338817 5431059424 5864775424 5938676324 6012958648 6130246528 6206925056 6574963073 6787058656 7186218872 7418032384 7514243512 7660815232 7756638464 7956170894 8212821568 8980437368 9092766736 9270128896 9386081792 9504353992 10263356992 10522677634 10862118848 11729550848 11877352648 12025917296 12260493056 12413850112 13149926146 13574117312 14372437744 14836064768 15028487024 15321630464 15513276928 15912341788 16425643136 17617235551 17960874736 18185533472 18540257792 19008707984 20526713984 21045355268 21724237696 23300214761 23754705296 24051834592 24520986112 26299852292 27148234624 27846598129 28744875488 30056974048 30643260928 31824683576 32851286272 35234471102 35921749472 36371066944 36829371719 38017415968 41053427968 42090710536 43448475392 46024741511 46600429522 47509410592 48103669184 52599704584 54296469248 55693196258 57489750976 60113948096 63649367152 65702572544 70468942204 71843498944 72742133888 73658743438 76034831936 82106855936 84181421072 86896950784 92049483022 93200859044 95018821184 96207338368 105199409168 108592938496 111386392516 114979501952 120227896192 123320648857 127298734304 140937884408 143686997888 145484267776 147317486876 152069663872 163101503327 168362842144 184098966044 186401718088 190037642368 192414676736 210398818336 222772785032 229959003904 240455792384 246641297714 254597468608 281875768816 287373995776 290968535552 294634973752 304139327744 326203006654 336725684288 368197932088 372803436176 380075284736 384829353472 420797636672 445545570064 459918007808 480911584768 493282595428 509194937216 563751537632 574747991552 589269947504 608278655488 652406013308 673451368576 722306657591 736395864176 745606872352 760150569472 841595273344 863244541999 891091140128 986565190856 1018389874432 1127503075264 1141710523289 1178539895008 1304812026616 1346902737152 1444613315182 1472791728352 1491213744704 1683190546688 1726489083998 1782182280256 1973130381712 2036779748864 2255006150528 2283421046578 2357079790016 2609624053232 2693805474304 2889226630364 2945583456704 2982427489408 3366381093376 3452978167996 3564364560512 3946260763424 4510012301056 4566842093156 4714159580032 5056146603137 5219248106464 5778453260728 5891166913408 5964854978816 6905956335992 7128729121024 7892521526848 9020024602112 9133684186312 9428319160064 10112293206274 10438496212928 11556906521456 11782333826816 11929709957632 13811912671984 14257458242048 15785043053696 18267368372624 18856638320128 20224586412548 20876992425856 23113813042912 23564667653632 27623825343968 31570086107392 35393026221959 36534736745248 40449172825096 41753984851712 46227626085824 55247650687936 63140172214784 70786052443918 73069473490496 80898345650192 83507969703424 92455252171648 110495301375872 141572104887836 146138946980992 161796691300384 184910504343296 220990602751744 283144209775672 292277893961984 323593382600768 369821008686592 441981205503488 566288419551344 584555787923968 647186765201536 1132576839102688 1294373530403072 2265153678205376 2588747060806144 4530307356410752 9060614712821504 18121229425643008
• Sum of all divisors σ(n): 44641895710059648
• Sum of proper divisors (its aliquot sum) s(n): 26520666284416640
• 18121229425643008 is an abundant number, because the sum of its proper divisors (26520666284416640) is greater than itself. Its abundance is 8399436858773632

Bases of 18121229425643008

• Binary: 1000000011000010010100110000010110011110000111000000000₂
• Hexadecimal: 0x40612982CF0E00
• Base-36: 4YFFTVFQYV4

Squares and roots of 18121229425643008

• 18121229425643008 squared (18121229425643008²) is 328378955896790021605634259288064
• 18121229425643008 cubed (18121229425643008³) is 5950630398358838898239688443411540581879499456512
• The square root of 18121229425643008 is 134615115.8883838275
• The cube root of 18121229425643008 is 262661.1771487745

Scales and comparisons

• 18,121,229,425,643,008 seconds is equal to 576,199,043 years, 4 weeks, 5 days, 16 hours, 23 minutes, 28 seconds.
• To count from 1 to 18,121,229,425,643,008 would take you about one billion, seven hundred twenty-eight million, five hundred ninety-seven thousand, one hundred twenty-nine 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 18121229425643008 cubic inches would be around 21888.4 feet tall.

Recreational maths with 18121229425643008

• 18121229425643008 backwards is 80034652492212181
• The number of decimal digits it has is: 17
• The sum of 18121229425643008's digits is 58
• More coming soon!