20389512

Names of 20389512

• Cardinal: 20389512 can be written as Twenty million, three hundred eighty-nine thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.0389512 × 10⁷

Factors of 20389512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 486

Divisors of 20389512

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 169 264 286 312 338 429 457 507 572 676 858 914 1014 1144 1352 1371 1716 1828 1859 2028 2742 3432 3656 3718 4056 5027 5484 5577 5941 7436 10054 10968 11154 11882 14872 15081 17823 20108 22308 23764 30162 35646 40216 44616 47528 60324 65351 71292 77233 120648 130702 142584 154466 196053 231699 261404 308932 392106 463398 522808 617864 784212 849563 926796 1568424 1699126 1853592 2548689 3398252 5097378 6796504 10194756 20389512
• Sum of all divisors σ(n): 60346080
• Sum of proper divisors (its aliquot sum) s(n): 39956568
• 20389512 is an abundant number, because the sum of its proper divisors (39956568) is greater than itself. Its abundance is 19567056

Bases of 20389512

• Binary: 1001101110001111010001000₂
• Hexadecimal: 0x1371E88
• Base-36: C50NC

Squares and roots of 20389512

• 20389512 squared (20389512²) is 415732199598144
• 20389512 cubed (20389512³) is 8476576672492752265728
• The square root of 20389512 is 4515.4747258733
• The cube root of 20389512 is 273.1926078429

Scales and comparisons

• 20,389,512 seconds is equal to 33 weeks, 4 days, 23 hours, 45 minutes, 12 seconds.
• To count from 1 to 20,389,512 would take you about fifty weeks!

  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 20389512 cubic inches would be around 22.8 feet tall.

Recreational maths with 20389512

• 20389512 backwards is 21598302
• The number of decimal digits it has is: 8
• The sum of 20389512's digits is 30
• More coming soon!