21673023918

Names of 21673023918

• Cardinal: 21673023918 can be written as Twenty-one billion, six hundred seventy-three million, twenty-three thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 2.1673023918 × 10¹⁰

Factors of 21673023918

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2430

Divisors of 21673023918

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 71 78 91 142 182 213 271 273 426 497 542 546 813 923 994 1491 1626 1846 1897 2063 2769 2982 3523 3794 4126 5538 5691 6189 6461 7046 10569 11382 12378 12922 14441 19241 19383 21138 24661 26819 28882 38482 38766 43323 49322 53638 57723 73983 80457 86646 115446 134687 146473 147966 160914 187733 250133 269374 292946 375466 404061 439419 500266 559073 563199 750399 808122 878838 1025311 1118146 1126398 1500798 1677219 1750931 1904149 2050622 3075933 3354438 3501862 3808298 3913511 5252793 5712447 6151866 7267949 7827022 10505586 11424894 11740533 13329043 14535898 21803847 23481066 26658086 39694183 39987129 43607694 50875643 79388366 79974258 101751286 119082549 152626929 238165098 277859281 305253858 516024379 555718562 833577843 1032048758 1548073137 1667155686 3096146274 3612170653 7224341306 10836511959 21673023918
• Sum of all divisors σ(n): 54326329344
• Sum of proper divisors (its aliquot sum) s(n): 32653305426
• 21673023918 is an abundant number, because the sum of its proper divisors (32653305426) is greater than itself. Its abundance is 10980281508

Bases of 21673023918

• Binary: 10100001011110100000001100110101110₂
• Hexadecimal: 0x50BD019AE
• Base-36: 9YFK4A6

Squares and roots of 21673023918

• 21673023918 squared (21673023918²) is 469719965750200070724
• 21673023918 cubed (21673023918³) is 10180252052466226946086543576632
• The square root of 21673023918 is 147217.6073640649
• The cube root of 21673023918 is 2788.0881682659

Scales and comparisons

• 21,673,023,918 seconds is equal to 689 years, 7 weeks, 4 hours, 25 minutes, 18 seconds.
• To count from 1 to 21,673,023,918 would take you about one thousand, three hundred seventy-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 21673023918 cubic inches would be around 232.3 feet tall.

Recreational maths with 21673023918

• 21673023918 backwards is 81932037612
• 21673023918 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21673023918's digits is 42
• More coming soon!