21646342432

Names of 21646342432

• Cardinal: 21646342432 can be written as Twenty-one billion, six hundred forty-six million, three hundred forty-two thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1646342432 × 10¹⁰

Factors of 21646342432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1424

Divisors of 21646342432

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 88 104 121 143 176 208 242 286 352 416 457 484 572 914 941 968 1144 1573 1828 1882 1936 2288 3146 3656 3764 3872 4576 5027 5941 6292 7312 7528 10054 10351 11882 12233 12584 14624 15056 20108 20702 23764 24466 25168 30112 40216 41404 47528 48932 50336 55297 65351 80432 82808 95056 97864 110594 113861 130702 134563 160864 165616 190112 195728 221188 227722 261404 269126 331232 391456 430037 442376 455444 522808 538252 718861 860074 884752 910888 1045616 1076504 1437722 1480193 1720148 1769504 1821776 2091232 2153008 2875444 2960386 3440296 3643552 4306016 4730407 5590481 5750888 5920772 6880592 9460814 11180962 11501776 11841544 13761184 18921628 22361924 23003552 23683088 37843256 44723848 47366176 52034477 61495291 75686512 89447696 104068954 122990582 151373024 178895392 208137908 245981164 416275816 491962328 676448201 832551632 983924656 1352896402 1665103264 1967849312 2705792804 5411585608 10823171216 21646342432
• Sum of all divisors σ(n): 50610031416
• Sum of proper divisors (its aliquot sum) s(n): 28963688984
• 21646342432 is an abundant number, because the sum of its proper divisors (28963688984) is greater than itself. Its abundance is 7317346552

Bases of 21646342432

• Binary: 10100001010001110001111100100100000₂
• Hexadecimal: 0x50A38F920
• Base-36: 9XZO8PS

Squares and roots of 21646342432

• 21646342432 squared (21646342432²) is 468564140683403674624
• 21646342432 cubed (21646342432³) is 10142699840588778440198212845568
• The square root of 21646342432 is 147126.9602486233
• The cube root of 21646342432 is 2786.9435674367

Scales and comparisons

• 21,646,342,432 seconds is equal to 688 years, 14 weeks, 6 days, 8 hours, 53 minutes, 52 seconds.
• To count from 1 to 21,646,342,432 would take you about one thousand, three hundred seventy-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 21646342432 cubic inches would be around 232.2 feet tall.

Recreational maths with 21646342432

• 21646342432 backwards is 23424364612
• The number of decimal digits it has is: 11
• The sum of 21646342432's digits is 37
• More coming soon!