21468936

Names of 21468936

• Cardinal: 21468936 can be written as Twenty-one million, four hundred sixty-eight thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 2.1468936 × 10⁷

Factors of 21468936

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 136

Divisors of 21468936

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 19 23 24 38 46 57 69 76 89 92 114 138 152 178 184 228 267 276 356 437 456 529 534 552 712 874 1058 1068 1311 1587 1691 1748 2047 2116 2136 2622 3174 3382 3496 4094 4232 5073 5244 6141 6348 6764 8188 10051 10146 10488 12282 12696 13528 16376 20102 20292 24564 30153 38893 40204 40584 47081 49128 60306 77786 80408 94162 116679 120612 141243 155572 188324 233358 241224 282486 311144 376648 466716 564972 894539 933432 1129944 1789078 2683617 3578156 5367234 7156312 10734468 21468936
• Sum of all divisors σ(n): 59724000
• Sum of proper divisors (its aliquot sum) s(n): 38255064
• 21468936 is an abundant number, because the sum of its proper divisors (38255064) is greater than itself. Its abundance is 16786128

Bases of 21468936

• Binary: 1010001111001011100001000₂
• Hexadecimal: 0x1479708
• Base-36: CS5JC

Squares and roots of 21468936

• 21468936 squared (21468936²) is 460915212972096
• 21468936 cubed (21468936³) is 9895359208724298809856
• The square root of 21468936 is 4633.4583196571
• The cube root of 21468936 is 277.9309042779

Scales and comparisons

• 21,468,936 seconds is equal to 35 weeks, 3 days, 11 hours, 35 minutes, 36 seconds.
• To count from 1 to 21,468,936 would take you about seventeen hours!

  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 21468936 cubic inches would be around 23.2 feet tall.

Recreational maths with 21468936

• 21468936 backwards is 63986412
• The number of decimal digits it has is: 8
• The sum of 21468936's digits is 39
• More coming soon!