21402888192

Names of 21402888192

• Cardinal: 21402888192 can be written as Twenty-one billion, four hundred two million, eight hundred eighty-eight thousand, one hundred ninety-two.

Scientific notation

• Scientific notation: 2.1402888192 × 10¹⁰

Factors of 21402888192

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 165895

Divisors of 21402888192

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 672 768 896 1008 1024 1152 1344 1536 1792 2016 2048 2304 2688 3072 3584 4032 4608 5376 6144 7168 8064 9216 10752 14336 16128 18432 21504 32256 43008 64512 129024 165883 331766 497649 663532 995298 1161181 1327064 1492947 1990596 2322362 2654128 2985894 3483543 3981192 4644724 5308256 5971788 6967086 7962384 9289448 10450629 10616512 11943576 13934172 15924768 18578896 20901258 21233024 23887152 27868344 31849536 37157792 41802516 42466048 47774304 55736688 63699072 74315584 83605032 84932096 95548608 111473376 127398144 148631168 167210064 169864192 191097216 222946752 254796288 297262336 334420128 339728384 382194432 445893504 509592576 594524672 668840256 764388864 891787008 1019185152 1189049344 1337680512 1528777728 1783574016 2378098688 2675361024 3057555456 3567148032 5350722048 7134296064 10701444096 21402888192
• Sum of all divisors σ(n): 70646677920
• Sum of proper divisors (its aliquot sum) s(n): 49243789728
• 21402888192 is an abundant number, because the sum of its proper divisors (49243789728) is greater than itself. Its abundance is 27840901536

Bases of 21402888192

• Binary: 10011111011101101100010100000000000₂
• Hexadecimal: 0x4FBB62800
• Base-36: 9TYQ680

Squares and roots of 21402888192

• 21402888192 squared (21402888192²) is 458083622959253028864
• 21402888192 cubed (21402888192³) is 9804312564783176748613540773888
• The square root of 21402888192 is 146297.2596872545
• The cube root of 21402888192 is 2776.4559928843

Scales and comparisons

• 21,402,888,192 seconds is equal to 680 years, 28 weeks, 2 days, 14 hours, 43 minutes, 12 seconds.
• To count from 1 to 21,402,888,192 would take you about one thousand, three hundred sixty-one 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 21402888192 cubic inches would be around 231.4 feet tall.

Recreational maths with 21402888192

• 21402888192 backwards is 29188820412
• The number of decimal digits it has is: 11
• The sum of 21402888192's digits is 45
• More coming soon!