18638468097984800

Names of 18638468097984800

• Cardinal: 18638468097984800 can be written as Eighteen quadrillion, six hundred thirty-eight trillion, four hundred sixty-eight billion, ninety-seven million, nine hundred eighty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 1.86384680979848 × 10¹⁶

Factors of 18638468097984800

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 20

Divisors of 18638468097984800

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 169 200 208 260 325 338 400 416 520 650 676 800 845 1040 1300 1352 1690 2080 2197 2600 2704 3380 4225 4394 5200 5408 6760 8450 8788 10400 10985 13520 16900 17576 21970 27040 28561 33800 35152 43940 54925 57122 67600 70304 87880 109850 114244 135200 142805 175760 219700 228488 285610 351520 371293 439400 456976 571220 714025 742586 878800 913952 1142440 1428050 1485172 1757600 1856465 2284880 2856100 2970344 3712930 4569760 4826809 5712200 5940688 7425860 9282325 9653618 11424400 11881376 14851720 18564650 19307236 22848800 24134045 29703440 37129300 38614472 48268090 59406880 62748517 74258600 77228944 96536180 120670225 125497034 148517200 154457888 193072360 241340450 250994068 297034400 313742585 386144720 482680900 501988136 627485170 772289440 815730721 965361800 1003976272 1254970340 1568712925 1631461442 1930723600 2007952544 2509940680 3137425850 3262922884 3861447200 4078653605 5019881360 6274851700 6525845768 8157307210 10039762720 10604499373 12549703400 13051691536 16314614420 20393268025 21208998746 25099406800 26103383072 32629228840 40786536050 42417997492 50198813600 53022496865 65258457680 81573072100 84835994984 106044993730 130516915360 137858491849 163146144200 169671989968 212089987460 265112484325 275716983698 326292288400 339343979936 424179974920 530224968650 551433967396 652584576800 689292459245 848359949840 1060449937300 1102867934792 1378584918490 1696719899680 1792160394037 2120899874600 2205735869584 2757169836980 3446462296225 3584320788074 4241799749200 4411471739168 5514339673960 6892924592450 7168641576148 8483599498400 8960801970185 11028679347920 13785849184900 14337283152296 17921603940370 22057358695840 23298085122481 27571698369800 28674566304592 35843207880740 44804009850925 46596170244962 55143396739600 57349132609184 71686415761480 89608019701850 93192340489924 110286793479200 116490425612405 143372831522960 179216039403700 186384680979848 232980851224810 286745663045920 358432078807400 372769361959696 465961702449620 582452128062025 716864157614800 745538723919392 931923404899240 1164904256124050 1433728315229600 1863846809798480 2329808512248100 3727693619596960 4659617024496200 9319234048992400 18638468097984800
• Sum of all divisors σ(n): 49292923597889013
• Sum of proper divisors (its aliquot sum) s(n): 30654455499904213
• 18638468097984800 is an abundant number, because the sum of its proper divisors (30654455499904213) is greater than itself. Its abundance is 12015987401919413

Bases of 18638468097984800

• Binary: 1000010001101111001011010000110001000110100100100100000₂
• Hexadecimal: 0x42379686234920
• Base-36: 53ISA1EJYU8

Squares and roots of 18638468097984800

• 18638468097984800 squared (18638468097984800²) is 347392493039597128173821031040000
• 18638468097984800 cubed (18638468097984800³) is 6474863898997937758345978409452265682248192000000
• The square root of 18638468097984800 is 136522775.0156903307
• The cube root of 18638468097984800 is 265136.8373536291

Scales and comparisons

• 18,638,468,097,984,800 seconds is equal to 592,645,632 years, 49 weeks, 2 days, 8 hours, 13 minutes, 20 seconds.
• To count from 1 to 18,638,468,097,984,800 would take you about one billion, seven hundred seventy-seven million, nine hundred thirty-six thousand, eight hundred ninety-eight 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 18638468097984800 cubic inches would be around 22094.7 feet tall.

Recreational maths with 18638468097984800

• 18638468097984800 backwards is 00848979086483681
• The number of decimal digits it has is: 17
• The sum of 18638468097984800's digits is 89
• More coming soon!