20855808

Names of 20855808

• Cardinal: 20855808 can be written as Twenty million, eight hundred fifty-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.0855808 × 10⁷

Factors of 20855808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 109

Divisors of 20855808

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 73 93 96 124 128 144 146 186 192 219 248 256 279 288 292 372 384 438 496 512 558 576 584 657 744 768 876 992 1024 1116 1152 1168 1314 1488 1536 1752 1984 2232 2263 2304 2336 2628 2976 3072 3504 3968 4464 4526 4608 4672 5256 5952 6789 7008 7936 8928 9052 9216 9344 10512 11904 13578 14016 15872 17856 18104 18688 20367 21024 23808 27156 28032 31744 35712 36208 37376 40734 42048 47616 54312 56064 71424 72416 74752 81468 84096 95232 108624 112128 142848 144832 162936 168192 217248 224256 285696 289664 325872 336384 434496 579328 651744 672768 868992 1158656 1303488 1737984 2317312 2606976 3475968 5213952 6951936 10427904 20855808
• Sum of all divisors σ(n): 63014848
• Sum of proper divisors (its aliquot sum) s(n): 42159040
• 20855808 is an abundant number, because the sum of its proper divisors (42159040) is greater than itself. Its abundance is 21303232

Bases of 20855808

• Binary: 1001111100011110000000000₂
• Hexadecimal: 0x13E3C00
• Base-36: CF0G0

Squares and roots of 20855808

• 20855808 squared (20855808²) is 434964727332864
• 20855808 cubed (20855808³) is 9071540840026563674112
• The square root of 20855808 is 4566.8159586301
• The cube root of 20855808 is 275.2595148011

Scales and comparisons

• 20,855,808 seconds is equal to 34 weeks, 3 days, 9 hours, 16 minutes, 48 seconds.
• To count from 1 to 20,855,808 would take you about fifty-one 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 20855808 cubic inches would be around 22.9 feet tall.

Recreational maths with 20855808

• 20855808 backwards is 80855802
• 20855808 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20855808's digits is 36
• More coming soon!