21136220178192144

Names of 21136220178192144

• Cardinal: 21136220178192144 can be written as Twenty-one quadrillion, one hundred thirty-six trillion, two hundred twenty billion, one hundred seventy-eight million, one hundred ninety-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1136220178192144 × 10¹⁶

Factors of 21136220178192144

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 16624

Divisors of 21136220178192144

• Number of divisors d(n): 225
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1296 1458 1944 2187 2916 3888 4374 5832 6561 8748 11664 13122 16619 17496 19683 26244 33238 34992 39366 49857 52488 59049 66476 78732 99714 104976 118098 132952 149571 157464 177147 199428 236196 265904 299142 314928 354294 398856 448713 472392 531441 598284 708588 797712 897426 944784 1062882 1196568 1346139 1417176 1594323 1794852 2125764 2393136 2692278 2834352 3188646 3589704 4038417 4251528 4782969 5384556 6377292 7179408 8076834 8503056 9565938 10769112 12115251 12754584 16153668 19131876 21538224 24230502 25509168 32307336 36345753 38263752 48461004 64614672 72691506 76527504 96922008 109037259 145383012 193844016 218074518 276191161 290766024 327111777 436149036 552382322 581532048 654223554 828573483 872298072 981335331 1104764644 1308447108 1657146966 1744596144 1962670662 2209529288 2485720449 2616894216 2944005993 3314293932 3925341324 4419058576 4971440898 5233788432 5888011986 6628587864 7457161347 7850682648 8832017979 9942881796 11776023972 13257175728 14914322694 15701365296 17664035958 19885763592 22371484041 23552047944 26496053937 29828645388 35328071916 39771527184 44742968082 47104095888 52992107874 59657290776 67114452123 70656143832 79488161811 89485936164 105984215748 119314581552 134228904246 141312287664 158976323622 178971872328 201343356369 211968431496 268457808492 317952647244 357943744656 402686712738 423936862992 536915616984 604030069107 635905294488 805373425476 1073831233968 1208060138214 1271810588976 1610746850952 1812090207321 2416120276428 3221493701904 3624180414642 4832240552856 5436270621963 7248360829284 9664481105712 10872541243926 14496721658568 16308811865889 21745082487852 28993443317136 32617623731778 43490164975704 48926435597667 65235247463556 86980329951408 97852871195334 130470494927112 146779306793001 195705742390668 260940989854224 293558613586002 391411484781336 440337920379003 587117227172004 782822969562672 880675840758006 1174234454344008 1321013761137009 1761351681516012 2348468908688016 2642027522274018 3522703363032024 5284055044548036 7045406726064048 10568110089096072 21136220178192144
• Sum of all divisors σ(n): 61430832033582583
• Sum of proper divisors (its aliquot sum) s(n): 40294611855390439
• 21136220178192144 is an abundant number, because the sum of its proper divisors (40294611855390439) is greater than itself. Its abundance is 19158391677198295

Bases of 21136220178192144

• Binary: 1001011000101110100011110111111100111011001011100010000₂
• Hexadecimal: 0x4B1747BF9D9710
• Base-36: 5S45XI52900

Squares and roots of 21136220178192144

• 21136220178192144 squared (21136220178192144²) is 446739803421016747463800183316736
• 21136220178192144 cubed (21136220178192144³) is 9442390847468885979808831601103978830722218921984
• 21136220178192144 is a perfect square number. Its square root is 145383012
• The cube root of 21136220178192144 is 276487.6739061133

Scales and comparisons

• 21,136,220,178,192,144 seconds is equal to 672,066,423 years, 2 weeks, 2 days, 8 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,136,220,178,192,144 would take you about two billion, sixteen million, one hundred ninety-nine thousand, two hundred sixty-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 21136220178192144 cubic inches would be around 23040.6 feet tall.

Recreational maths with 21136220178192144

• 21136220178192144 backwards is 44129187102263112
• 21136220178192144 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21136220178192144's digits is 54
• More coming soon!