21613040904

Names of 21613040904

• Cardinal: 21613040904 can be written as Twenty-one billion, six hundred thirteen million, forty thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1613040904 × 10¹⁰

Factors of 21613040904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7663

Divisors of 21613040904

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 101 104 156 168 169 182 202 273 303 312 338 364 404 507 546 606 676 707 728 808 1014 1092 1183 1212 1313 1352 1414 2028 2121 2184 2366 2424 2626 2828 3549 3939 4056 4242 4732 5252 5656 7098 7537 7878 8484 9191 9464 10504 14196 15074 15756 16968 17069 18382 22611 27573 28392 30148 31512 34138 36764 45222 51207 52759 55146 60296 68276 73528 90444 97981 102414 105518 110292 119483 136552 158277 180888 195962 204828 211036 220584 238966 293943 316554 358449 391924 409656 422072 477932 587886 633108 685867 716898 761237 783848 955864 1175772 1266216 1273753 1371734 1433796 1522474 2057601 2283711 2351544 2547506 2743468 2867592 3044948 3821259 4115202 4567422 5095012 5328659 5486936 6089896 7642518 8230404 8916271 9134844 9896081 10190024 10657318 15285036 15985977 16460808 17832542 18269688 19792162 21314636 26748813 29688243 30570072 31971954 35665084 39584324 42629272 53497626 59376486 63943908 69272567 71330168 79168648 106995252 118752972 127887816 128649053 138545134 207817701 213990504 237505944 257298106 277090268 385947159 415635402 514596212 554180536 771894318 831270804 900543371 1029192424 1543788636 1662541608 1801086742 2701630113 3087577272 3602173484 5403260226 7204346968 10806520452 21613040904
• Sum of all divisors σ(n): 67538067840
• Sum of proper divisors (its aliquot sum) s(n): 45925026936
• 21613040904 is an abundant number, because the sum of its proper divisors (45925026936) is greater than itself. Its abundance is 24311986032

Bases of 21613040904

• Binary: 10100001000001111001101010100001000₂
• Hexadecimal: 0x5083CD508
• Base-36: 9XFUH3C

Squares and roots of 21613040904

• 21613040904 squared (21613040904²) is 467123537117977137216
• 21613040904 cubed (21613040904³) is 10095960114952002140386228683264
• The square root of 21613040904 is 147013.7439289265
• The cube root of 21613040904 is 2785.5136551379

Scales and comparisons

• 21,613,040,904 seconds is equal to 687 years, 11 weeks, 5 days, 22 hours, 28 minutes, 24 seconds.
• To count from 1 to 21,613,040,904 would take you about one thousand, three hundred seventy-four 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 21613040904 cubic inches would be around 232.1 feet tall.

Recreational maths with 21613040904

• 21613040904 backwards is 40904031612
• The number of decimal digits it has is: 11
• The sum of 21613040904's digits is 30
• More coming soon!