21632129792

Names of 21632129792

• Cardinal: 21632129792 can be written as Twenty-one billion, six hundred thirty-two million, one hundred twenty-nine thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.1632129792 × 10¹⁰

Factors of 21632129792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 71451

Divisors of 21632129792

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 169 182 208 224 256 338 364 416 448 676 728 832 896 1183 1352 1456 1664 1792 2366 2704 2912 3328 4732 5408 5824 9464 10816 11648 18928 21632 23296 37856 43264 71429 75712 142858 151424 285716 302848 500003 571432 928577 1000006 1142864 1857154 2000012 2285728 3714308 4000024 4571456 6500039 7428616 8000048 9142912 12071501 13000078 14857232 16000096 18285824 24143002 26000156 29714464 32000192 48286004 52000312 59428928 64000384 84500507 96572008 104000624 118857856 128000768 169001014 193144016 208001248 237715712 338002028 386288032 416002496 676004056 772576064 832004992 1352008112 1545152128 1664009984 2704016224 3090304256 5408032448 10816064896 21632129792
• Sum of all divisors σ(n): 53437068720
• Sum of proper divisors (its aliquot sum) s(n): 31804938928
• 21632129792 is an abundant number, because the sum of its proper divisors (31804938928) is greater than itself. Its abundance is 10172809136

Bases of 21632129792

• Binary: 10100001001011000000001101100000000₂
• Hexadecimal: 0x509601B00
• Base-36: 9XR7M68

Squares and roots of 21632129792

• 21632129792 squared (21632129792²) is 467949039337933963264
• 21632129792 cubed (21632129792³) is 10122734354999901242451807961088
• The square root of 21632129792 is 147078.6517207713
• The cube root of 21632129792 is 2786.3334797977

Scales and comparisons

• 21,632,129,792 seconds is equal to 687 years, 43 weeks, 2 days, 20 hours, 56 minutes, 32 seconds.
• To count from 1 to 21,632,129,792 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 21632129792 cubic inches would be around 232.2 feet tall.

Recreational maths with 21632129792

• 21632129792 backwards is 29792123612
• The number of decimal digits it has is: 11
• The sum of 21632129792's digits is 44
• More coming soon!