21123134244

Names of 21123134244

• Cardinal: 21123134244 can be written as Twenty-one billion, one hundred twenty-three million, one hundred thirty-four thousand, two hundred forty-four.

Scientific notation

• Scientific notation: 2.1123134244 × 10¹⁰

Factors of 21123134244

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 24228

Divisors of 21123134244

• Number of divisors d(n): 27
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 24223 48446 72669 96892 145338 218007 290676 436014 872028 586753729 1173507458 1760261187 2347014916 3520522374 5280783561 7041044748 10561567122 21123134244
• Sum of all divisors σ(n): 53396793723
• Sum of proper divisors (its aliquot sum) s(n): 32273659479
• 21123134244 is an abundant number, because the sum of its proper divisors (32273659479) is greater than itself. Its abundance is 11150525235

Bases of 21123134244

• Binary: 10011101011000010010111001100100100₂
• Hexadecimal: 0x4EB097324
• Base-36: 9PC62P0

Squares and roots of 21123134244

• 21123134244 squared (21123134244²) is 446186800290045451536
• 21123134244 cubed (21123134244³) is 9424863680427448209656523998784
• 21123134244 is a perfect square number. Its square root is 145338
• The cube root of 21123134244 is 2764.3060210527

Scales and comparisons

• 21,123,134,244 seconds is equal to 671 years, 33 weeks, 5 days, 17 hours, 17 minutes, 24 seconds.
• To count from 1 to 21,123,134,244 would take you about one thousand, three hundred forty-three 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 21123134244 cubic inches would be around 230.4 feet tall.

Recreational maths with 21123134244

• 21123134244 backwards is 44243132112
• The number of decimal digits it has is: 11
• The sum of 21123134244's digits is 27
• More coming soon!