18204921921536

Names of 18204921921536

• Cardinal: 18204921921536 can be written as Eighteen trillion, two hundred four billion, nine hundred twenty-one million, nine hundred twenty-one thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.8204921921536 × 10¹³

Factors of 18204921921536

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 167

Divisors of 18204921921536

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 31 32 38 47 56 61 62 64 76 94 112 122 124 128 133 152 188 217 224 244 248 256 266 304 329 376 427 434 448 488 496 512 532 589 608 658 752 854 868 893 896 976 992 1024 1064 1159 1178 1216 1316 1457 1504 1708 1736 1786 1792 1891 1952 1984 2048 2128 2209 2318 2356 2432 2632 2867 2914 3008 3416 3472 3572 3584 3782 3904 3968 4096 4123 4256 4418 4636 4712 4864 5264 5734 5828 6016 6251 6832 6944 7144 7168 7564 7808 7936 8113 8192 8246 8512 8836 9272 9424 9728 10199 10528 11468 11656 12032 12502 13237 13664 13888 14288 14336 15128 15463 15616 15872 16226 16384 16492 17024 17672 18544 18848 19456 20069 20398 21056 22936 23312 24064 25004 26474 27328 27683 27776 28576 28672 30256 30926 31232 31744 32452 32768 32984 34048 35344 35929 37088 37696 38912 40138 40796 41971 42112 45872 46624 48128 50008 52948 54473 54656 55366 55552 57152 57344 60512 61852 62464 63488 64904 65968 68096 68479 70688 71858 74176 75392 77824 80276 81592 83942 84224 88877 91744 93248 96256 100016 105896 108946 109312 110732 111104 114304 114688 121024 123704 124928 126976 129808 131936 134749 136192 136958 141376 143716 148352 150784 155648 160552 163184 167884 168448 177754 183488 186496 192512 193781 200032 211792 217892 218624 221464 222208 228608 229376 242048 247408 249856 251503 253952 259616 263872 269498 272384 273916 282752 287432 293797 296704 301568 311296 321104 326368 335768 336896 355508 366976 372992 381311 385024 387562 400064 423584 435784 437248 442928 444416 457216 479353 484096 494816 499712 503006 507904 519232 527744 538996 544768 547832 565504 574864 587594 593408 603136 622139 622592 642208 652736 671536 673792 711016 733952 745984 762622 770048 775124 800128 847168 871568 874496 885856 888832 914432 943243 958706 968192 989632 999424 1006012 1015808 1038464 1055488 1077992 1089536 1095664 1131008 1149728 1175188 1186816 1206272 1244278 1284416 1301101 1305472 1343072 1347584 1422032 1467904 1491968 1525244 1540096 1550248 1600256 1688663 1694336 1743136 1748992 1771712 1777664 1828864 1886486 1917412 1936384 1979264 1998848 2012024 2076928 2110976 2155984 2179072 2191328 2262016 2299456 2350376 2373632 2412544 2488556 2560231 2568832 2602202 2610944 2686144 2695168 2844064 2935808 2983936 3050488 3100496 3200512 3377326 3388672 3486272 3497984 3543424 3555328 3657728 3772972 3834824 3872768 3958528 4024048 4153856 4177219 4221952 4311968 4358144 4382656 4524032 4598912 4700752 4747264 4825088 4977112 5120462 5137664 5204404 5221888 5372288 5390336 5688128 5871616 5967872 6100976 6200992 6401024 6754652 6777344 6972544 6995968 7086848 7110656 7315456 7545944 7669648 7745536 7917056 8048096 8307712 8354438 8443904 8623936 8765312 9048064 9107707 9197824 9401504 9494528 9650176 9954224 10240924 10275328 10408808 10443776 10744576 10780672 11376256 11743232 11820641 11935744 12201952 12401984 12802048 13509304 13554688 13945088 13991936 14173696 14630912 15091888 15339296 15491072 15834112 16096192 16615424 16708876 16887808 17247872 17530624 17921617 18096128 18215414 18395648 18803008 18989056 19300352 19908448 20481848 20550656 20817616 20887552 21489152 22752512 23486464 23641282 23871488 24403904 24803968 25604096 27018608 27109376 27890176 28347392 29240533 29261824 30183776 30678592 30982144 31668224 32192384 33230848 33417752 33775616 34495744 35061248 35843234 36192256 36430828 36791296 37606016 37978112 39816896 40963696 41101312 41635232 41775104 42978304 45505024 46972928 47282564 47742976 48807808 49607936 51208192 54037216 54218752 55780352 56694784 58481066 60367552 61357184 61964288 63336448 64384768 66461696 66835504 67551232 68991488 70122496 71686468 72384512 72861656 73582592 75212032 79367161 79633792 81927392 82202624 83270464 83550208 85956608 91010048 93945856 94565128 97615616 99215872 102416384 108074432 108437504 111560704 113389568 116962132 120735104 122714368 126672896 128769536 132923392 133671008 135102464 137982976 140244992 143372936 145723312 147165184 150424064 158734322 159267584 163854784 164405248 166540928 167100416 171913216 182020096 189130256 195231232 198431744 204832768 216148864 216875008 223121408 226779136 233924264 241470208 245428736 253345792 257539072 265846784 267342016 275965952 280489984 286745872 291446624 294330368 300848128 317468644 318535168 327709568 328810496 333081856 334200832 343826432 364040192 378260512 390462464 396863488 432297728 433750016 446242816 453558272 467848528 482940416 490857472 506691584 515078144 534684032 551931904 555570127 560979968 573491744 582893248 588660736 601696256 634937288 637070336 655419136 657620992 666163712 687652864 728080384 756521024 780924928 793726976 864595456 892485632 907116544 935697056 965880832 981714944 1030156288 1069368064 1103863808 1111140254 1121959936 1146983488 1165786496 1177321472 1203392512 1269874576 1274140672 1310838272 1332327424 1375305728 1456160768 1513042048 1561849856 1587453952 1729190912 1784971264 1871394112 1931761664 1963429888 2060312576 2138736128 2207727616 2222280508 2243919872 2293966976 2331572992 2406785024 2539749152 2548281344 2621676544 2664654848 2912321536 3026084096 3123699712 3174907904 3458381824 3742788224 3863523328 3926859776 4120625152 4277472256 4415455232 4444561016 4587933952 4663145984 4813570048 5079498304 5096562688 5243353088 5329309696 6052168192 6247399424 6349815808 6916763648 7485576448 7727046656 7853719552 8241250304 8554944512 8889122032 9175867904 9326291968 9627140096 10158996608 10193125376 10486706176 10658619392 12104336384 12494798848 13833527296 14971152896 15454093312 15707439104 17109889024 17778244064 18351735808 18652583936 20317993216 20386250752 20973412352 21317238784 24208672768 27667054592 29942305792 30908186624 34219778048 35556488128 36703471616 37305167872 40635986432 41946824704 42634477568 48417345536 55334109184 59884611584 68439556096 71112976256 73406943232 74610335744 81271972864 83893649408 96834691072 119769223168 136879112192 142225952512 146813886464 149220671488 162543945728 193669382144 239538446336 284451905024 293627772928 298441342976 325087891456 387338764288 479076892672 568903810048 587255545856 650175782912 958153785344 1137807620096 1300351565824 2275615240192 2600703131648 4551230480384 9102460960768 18204921921536
• Sum of all divisors σ(n): 46953342412800
• Sum of proper divisors (its aliquot sum) s(n): 28748420491264
• 18204921921536 is an abundant number, because the sum of its proper divisors (28748420491264) is greater than itself. Its abundance is 10543498569728

Bases of 18204921921536

• Binary: 100001000111010101001111001111000000000000000₂
• Hexadecimal: 0x108EA9E78000
• Base-36: 6GB84H3I8

Squares and roots of 18204921921536

• 18204921921536 squared (18204921921536²) is 331419182169222006540599296
• 18204921921536 cubed (18204921921536³) is 6033460334690002720029264495733328838656
• The square root of 18204921921536 is 4266722.6206464371
• The cube root of 18204921921536 is 26306.4921163231

Scales and comparisons

• 18,204,921,921,536 seconds is equal to 578,860 years, 10 weeks, 4 days, 19 hours, 58 minutes, 56 seconds.
• To count from 1 to 18,204,921,921,536 would take you about one million, four hundred forty-seven thousand, one hundred fifty 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 18204921921536 cubic inches would be around 2192.2 feet tall.

Recreational maths with 18204921921536

• 18204921921536 backwards is 63512912940281
• The number of decimal digits it has is: 14
• The sum of 18204921921536's digits is 53
• More coming soon!