21327237568

Names of 21327237568

• Cardinal: 21327237568 can be written as Twenty-one billion, three hundred twenty-seven million, two hundred thirty-seven thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1327237568 × 10¹⁰

Factors of 21327237568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2912

Divisors of 21327237568

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 101 104 112 169 182 202 208 224 338 364 404 416 448 676 707 728 808 832 1183 1313 1352 1414 1456 1616 2366 2626 2704 2789 2828 2912 3232 4732 5252 5408 5578 5656 5824 6464 9191 9464 10504 10816 11156 11312 17069 18382 18928 19523 21008 22312 22624 34138 36257 36764 37856 39046 42016 44624 45248 68276 72514 73528 75712 78092 84032 89248 119483 136552 145028 147056 156184 178496 238966 253799 273104 281689 290056 294112 312368 471341 477932 507598 546208 563378 580112 588224 624736 942682 955864 1015196 1092416 1126756 1160224 1249472 1885364 1911728 1971823 2030392 2253512 2320448 3299387 3661957 3770728 3823456 3943646 4060784 4507024 6598774 7323914 7541456 7646912 7887292 8121568 9014048 13197548 14647828 15082912 15774584 16243136 18028096 25633699 26395096 29295656 30165824 31549168 47605441 51267398 52790192 58591312 63098336 95210882 102534796 105580384 117182624 126196672 190421764 205069592 211160768 234365248 333238087 380843528 410139184 666476174 761687056 820278368 1332952348 1523374112 1640556736 2665904696 3046748224 5331809392 10663618784 21327237568
• Sum of all divisors σ(n): 52911390240
• Sum of proper divisors (its aliquot sum) s(n): 31584152672
• 21327237568 is an abundant number, because the sum of its proper divisors (31584152672) is greater than itself. Its abundance is 10256915104

Bases of 21327237568

• Binary: 10011110111001100111101000111000000₂
• Hexadecimal: 0x4F733D1C0
• Base-36: 9SPOPTS

Squares and roots of 21327237568

• 21327237568 squared (21327237568²) is 454851062281910554624
• 21327237568 cubed (21327237568³) is 9700716663343470587392688914432
• The square root of 21327237568 is 146038.4797510573
• The cube root of 21327237568 is 2773.1809117619

Scales and comparisons

• 21,327,237,568 seconds is equal to 678 years, 7 weeks, 2 days, 39 minutes, 28 seconds.
• To count from 1 to 21,327,237,568 would take you about one thousand, three hundred fifty-six 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 21327237568 cubic inches would be around 231.1 feet tall.

Recreational maths with 21327237568

• 21327237568 backwards is 86573272312
• The number of decimal digits it has is: 11
• The sum of 21327237568's digits is 46
• More coming soon!