21621814326

Names of 21621814326

• Cardinal: 21621814326 can be written as Twenty-one billion, six hundred twenty-one million, eight hundred fourteen thousand, three hundred twenty-six.

Scientific notation

• Scientific notation: 2.1621814326 × 10¹⁰

Factors of 21621814326

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1725

Divisors of 21621814326

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 89 126 178 189 267 378 534 623 683 801 941 1246 1366 1602 1869 1882 2049 2403 2823 3738 4098 4781 4806 5607 5646 6147 6587 8469 9562 11214 12294 13174 14343 16821 16938 18441 19761 25407 28686 33642 36882 39522 43029 50814 59283 60787 83749 86058 118566 121574 129087 167498 177849 182361 251247 258174 355698 364722 425509 502494 547083 586243 642703 753741 851018 1094166 1172486 1276527 1285406 1507482 1641249 1758729 1928109 2261223 2553054 3282498 3517458 3829581 3856218 4498921 4522446 5276187 5784327 7659162 8997842 10552374 11488743 11568654 13496763 15828561 17352981 22977486 26993526 31657122 34705962 40490289 57200567 80980578 114401134 121470867 171601701 242941734 343203402 400403969 514805103 800807938 1029610206 1201211907 1544415309 2402423814 3088830618 3603635721 7207271442 10810907163 21621814326
• Sum of all divisors σ(n): 55669939200
• Sum of proper divisors (its aliquot sum) s(n): 34048124874
• 21621814326 is an abundant number, because the sum of its proper divisors (34048124874) is greater than itself. Its abundance is 12426310548

Bases of 21621814326

• Binary: 10100001000110000101011010000110110₂
• Hexadecimal: 0x508C2B436
• Base-36: 9XL2IPI

Squares and roots of 21621814326

• 21621814326 squared (21621814326²) is 467502854748018834276
• 21621814326 cubed (21621814326³) is 10108259922236610751066636637976
• The square root of 21621814326 is 147043.5796830313
• The cube root of 21621814326 is 2785.8905137339

Scales and comparisons

• 21,621,814,326 seconds is equal to 687 years, 26 weeks, 2 days, 11 hours, 32 minutes, 6 seconds.
• To count from 1 to 21,621,814,326 would take you about one thousand, three hundred seventy-five 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 21621814326 cubic inches would be around 232.2 feet tall.

Recreational maths with 21621814326

• 21621814326 backwards is 62341812612
• The number of decimal digits it has is: 11
• The sum of 21621814326's digits is 36
• More coming soon!