18488973295121472

Names of 18488973295121472

• Cardinal: 18488973295121472 can be written as Eighteen quadrillion, four hundred eighty-eight trillion, nine hundred seventy-three billion, two hundred ninety-five million, one hundred twenty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8488973295121472 × 10¹⁶

Factors of 18488973295121472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 49370733

Divisors of 18488973295121472

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 64 66 72 78 88 96 99 104 117 132 143 144 156 176 192 198 208 234 264 286 288 312 352 396 416 429 468 528 572 576 624 704 792 832 858 936 1056 1144 1248 1287 1584 1716 1872 2112 2288 2496 2574 3168 3432 3744 4547 4576 5148 6336 6864 7488 9094 9152 10296 13641 13728 18188 20592 27282 27456 36376 40923 41184 50017 54564 59111 72752 81846 82368 100034 109128 118222 145504 150051 163692 177333 200068 218256 236444 291008 300102 327384 354666 400136 436512 450153 472888 531999 600204 650221 654768 709332 800272 873024 900306 945776 1063998 1200408 1300442 1309536 1418664 1600544 1800612 1891552 1950663 2127996 2400816 2600884 2619072 2837328 3201088 3601224 3783104 3901326 4255992 4801632 5201768 5674656 5851989 7202448 7802652 8511984 9603264 10403536 11349312 11703978 14404896 15605304 17023968 20807072 23407956 28809792 31210608 34047936 41614144 46815912 49366157 62421216 93631824 98732314 124842432 148098471 187263648 197464628 296196942 374527296 394929256 444295413 543027727 592393884 641760041 789858512 888590826 1086055454 1184787768 1283520082 1579717024 1629083181 1777181652 1925280123 2172110908 2369575536 2567040164 3159434048 3258166362 3554363304 3850560246 4344221816 4739151072 4887249543 5134080328 5775840369 6516332724 7059360451 7108726608 7701120492 8688443632 9478302144 9774499086 10268160656 11551680738 13032665448 14118720902 14217453216 15402240984 17376887264 19548998172 20536321312 21178081353 23103361476 26065330896 28237441804 28434906432 30804481968 34753774528 39097996344 41072642624 42356162706 46206722952 52130661792 56474883608 61608963936 63534244059 78195992688 84712325412 92413445904 104261323584 112949767216 123217927872 127068488118 156391985376 169424650824 184826891808 224467915879 225899534432 254136976236 312783970752 338849301648 369653783616 448935831758 451799068864 508273952472 673403747637 677698603296 897871663516 1016547904944 1346807495274 1355397206592 1795743327032 2020211242911 2033095809888 2469147074669 2693614990548 2918082906427 3591486654064 4040422485822 4066191619776 4938294149338 5387229981096 5836165812854 7182973308128 7407441224007 8080844971644 8754248719281 9876588298676 10774459962192 11672331625708 14365946616256 14814882448014 16161689943288 17508497438562 19753176597352 21548919924384 22222323672021 23344663251416 26262746157843 29629764896028 32098911970697 32323379886576 35016994877124 39506353194704 43097839848768 44444647344042 46689326502832 52525492315686 59259529792056 64197823941394 64646759773152 70033989754248 79012706389408 88889294688084 93378653005664 96296735912091 105050984631372 118519059584112 128395647882788 129293519546304 140067979508496 158025412778816 177778589376168 186757306011328 192593471824182 210101969262744 237038119168224 256791295765576 280135959016992 288890207736273 355557178752336 385186943648364 420203938525488 474076238336448 513582591531152 560271918033984 577780415472546 711114357504672 770373887296728 840407877050976 1027165183062304 1155560830945092 1422228715009344 1540747774593456 1680815754101952 2054330366124608 2311121661890184 3081495549186912 4622243323780368 6162991098373824 9244486647560736 18488973295121472
• Sum of all divisors σ(n): 62273910745230912
• Sum of proper divisors (its aliquot sum) s(n): 43784937450109440
• 18488973295121472 is an abundant number, because the sum of its proper divisors (43784937450109440) is greater than itself. Its abundance is 25295964154987968

Bases of 18488973295121472

• Binary: 1000001101011111001111110001101100001000111010001000000₂
• Hexadecimal: 0x41AF9F8D847440
• Base-36: 521SL2ORRK0

Squares and roots of 18488973295121472

• 18488973295121472 squared (18488973295121472²) is 341842133507714942153195235446784
• 18488973295121472 cubed (18488973295121472³) is 6320310077571490489584345656550059701273471746048
• The square root of 18488973295121472 is 135974164.0721555309
• The cube root of 18488973295121472 is 264426.0667457809

Scales and comparisons

• 18,488,973,295,121,472 seconds is equal to 587,892,160 years, 33 weeks, 7 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,488,973,295,121,472 would take you about one billion, seven hundred sixty-three million, six hundred seventy-six thousand, four hundred eighty-one 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 18488973295121472 cubic inches would be around 22035.5 feet tall.

Recreational maths with 18488973295121472

• 18488973295121472 backwards is 27412159237988481
• The number of decimal digits it has is: 17
• The sum of 18488973295121472's digits is 81
• More coming soon!