21462388992

Names of 21462388992

• Cardinal: 21462388992 can be written as Twenty-one billion, four hundred sixty-two million, three hundred eighty-eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1462388992 × 10¹⁰

Factors of 21462388992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 282297

Divisors of 21462388992

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 88 96 99 108 128 132 144 176 192 198 216 256 264 288 297 352 384 396 432 528 576 594 704 768 792 864 1056 1152 1188 1408 1584 1728 2112 2304 2376 2816 3168 3456 4224 4752 6336 6912 8448 9504 12672 19008 25344 38016 76032 282281 564562 846843 1129124 1693686 2258248 2540529 3105091 3387372 4516496 5081058 6210182 6774744 7621587 9032992 9315273 10162116 12420364 13549488 15243174 18065984 18630546 20324232 24840728 27098976 27945819 30486348 36131968 37261092 40648464 49681456 54197952 55891638 60972696 72263936 74522184 81296928 83837457 99362912 108395904 111783276 121945392 149044368 162593856 167674914 198725824 216791808 223566552 243890784 298088736 325187712 335349828 397451648 447133104 487781568 596177472 650375424 670699656 794903296 894266208 975563136 1192354944 1341399312 1788532416 1951126272 2384709888 2682798624 3577064832 5365597248 7154129664 10731194496 21462388992
• Sum of all divisors σ(n): 69238128960
• Sum of proper divisors (its aliquot sum) s(n): 47775739968
• 21462388992 is an abundant number, because the sum of its proper divisors (47775739968) is greater than itself. Its abundance is 26313350976

Bases of 21462388992

• Binary: 10011111111010000100001000100000000₂
• Hexadecimal: 0x4FF421100
• Base-36: 9UY5HC0

Squares and roots of 21462388992

• 21462388992 squared (21462388992²) is 460634141243922776064
• 21462388992 cubed (21462388992³) is 9886309122372941375894074687488
• The square root of 21462388992 is 146500.4743746585
• The cube root of 21462388992 is 2779.0264948761

Scales and comparisons

• 21,462,388,992 seconds is equal to 682 years, 22 weeks, 5 days, 6 hours, 43 minutes, 12 seconds.
• To count from 1 to 21,462,388,992 would take you about one thousand, three hundred sixty-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 21462388992 cubic inches would be around 231.6 feet tall.

Recreational maths with 21462388992

• 21462388992 backwards is 29988326412
• 21462388992 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21462388992's digits is 54
• More coming soon!