21243344896

Names of 21243344896

• Cardinal: 21243344896 can be written as Twenty-one billion, two hundred forty-three million, three hundred forty-four thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 2.1243344896 × 10¹⁰

Factors of 21243344896

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 545954

Divisors of 21243344896

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 76 128 152 256 304 512 608 1024 1216 2048 2432 4864 9728 19456 38912 545933 1091866 2183732 4367464 8734928 10372727 17469856 20745454 34939712 41490908 69879424 82981816 139758848 165963632 279517696 331927264 559035392 663854528 1118070784 1327709056 2655418112 5310836224 10621672448 21243344896
• Sum of all divisors σ(n): 44711994600
• Sum of proper divisors (its aliquot sum) s(n): 23468649704
• 21243344896 is an abundant number, because the sum of its proper divisors (23468649704) is greater than itself. Its abundance is 2225304808

Bases of 21243344896

• Binary: 10011110010001100111011100000000000₂
• Hexadecimal: 0x4F233B800
• Base-36: 9RBQLTS

Squares and roots of 21243344896

• 21243344896 squared (21243344896²) is 451279702370409250816
• 21243344896 cubed (21243344896³) is 9586690362018832459753257435136
• The square root of 21243344896 is 145750.9687652195
• The cube root of 21243344896 is 2769.5399452307

Scales and comparisons

• 21,243,344,896 seconds is equal to 675 years, 24 weeks, 4 days, 1 hour, 8 minutes, 16 seconds.
• To count from 1 to 21,243,344,896 would take you about one thousand, three hundred fifty 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 21243344896 cubic inches would be around 230.8 feet tall.

Recreational maths with 21243344896

• 21243344896 backwards is 69844334212
• The number of decimal digits it has is: 11
• The sum of 21243344896's digits is 46
• More coming soon!