21360392832

Names of 21360392832

• Cardinal: 21360392832 can be written as Twenty-one billion, three hundred sixty million, three hundred ninety-two thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1360392832 × 10¹⁰

Factors of 21360392832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3272141

Divisors of 21360392832

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 272 384 408 544 816 1088 1632 2176 3264 6528 3272119 6544238 9816357 13088476 19632714 26176952 39265428 52353904 55626023 78530856 104707808 111252046 157061712 166878069 209415616 222504092 314123424 333756138 418831232 445008184 628246848 667512276 890016368 1256493696 1335024552 1780032736 2670049104 3560065472 5340098208 7120130944 10680196416 21360392832
• Sum of all divisors σ(n): 60076123200
• Sum of proper divisors (its aliquot sum) s(n): 38715730368
• 21360392832 is an abundant number, because the sum of its proper divisors (38715730368) is greater than itself. Its abundance is 17355337536

Bases of 21360392832

• Binary: 10011111001001011011011101010000000₂
• Hexadecimal: 0x4F92DBA80
• Base-36: 9T9FCLC

Squares and roots of 21360392832

• 21360392832 squared (21360392832²) is 456266381937356980224
• 21360392832 cubed (21360392832³) is 9746029154217294313401895354368
• The square root of 21360392832 is 146151.9511741119
• The cube root of 21360392832 is 2774.6172274899

Scales and comparisons

• 21,360,392,832 seconds is equal to 679 years, 10 weeks, 18 hours, 27 minutes, 12 seconds.
• To count from 1 to 21,360,392,832 would take you about one thousand, three hundred fifty-eight 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 21360392832 cubic inches would be around 231.2 feet tall.

Recreational maths with 21360392832

• 21360392832 backwards is 23829306312
• The number of decimal digits it has is: 11
• The sum of 21360392832's digits is 39
• More coming soon!