21504014142

Names of 21504014142

• Cardinal: 21504014142 can be written as Twenty-one billion, five hundred four million, fourteen thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.1504014142 × 10¹⁰

Factors of 21504014142

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2098

Divisors of 21504014142

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 13 19 26 38 39 57 61 78 114 122 127 183 247 254 366 381 494 741 762 793 1159 1482 1586 1651 1873 2318 2379 2413 3302 3477 3746 4758 4826 4953 5619 6954 7239 7747 9906 11238 14478 15067 15494 23241 24349 30134 31369 35587 45201 46482 48698 62738 71174 73047 90402 94107 100711 106761 114253 146094 147193 188214 201422 213522 228506 237871 294386 302133 342759 441579 462631 475742 604266 685518 713613 883158 925262 1387893 1427226 1485289 1913509 2170807 2775786 2970578 3092323 3827018 4341614 4455867 4519549 5740527 6184646 6512421 8911734 9039098 9276969 11481054 13024842 13558647 14510131 18553938 27117294 28220491 29020262 43530393 56440982 58754137 84661473 87060786 117508274 169322946 176262411 188631703 275692489 352524822 377263406 551384978 565895109 827077467 1131790218 1654154934 3584002357 7168004714 10752007071 21504014142
• Sum of all divisors σ(n): 49970135040
• Sum of proper divisors (its aliquot sum) s(n): 28466120898
• 21504014142 is an abundant number, because the sum of its proper divisors (28466120898) is greater than itself. Its abundance is 6962106756

Bases of 21504014142

• Binary: 10100000001101111010011011100111110₂
• Hexadecimal: 0x501BD373E
• Base-36: 9VMXNI6

Squares and roots of 21504014142

• 21504014142 squared (21504014142²) is 462422624219335996164
• 21504014142 cubed (21504014142³) is 9943942650793352971360313751288
• The square root of 21504014142 is 146642.4704579133
• The cube root of 21504014142 is 2780.8219255069

Scales and comparisons

• 21,504,014,142 seconds is equal to 683 years, 39 weeks, 4 days, 1 hour, 15 minutes, 42 seconds.
• To count from 1 to 21,504,014,142 would take you about one thousand, three hundred sixty-seven 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 21504014142 cubic inches would be around 231.7 feet tall.

Recreational maths with 21504014142

• 21504014142 backwards is 24141040512
• The number of decimal digits it has is: 11
• The sum of 21504014142's digits is 24
• More coming soon!