20855250

Names of 20855250

• Cardinal: 20855250 can be written as Twenty million, eight hundred fifty-five thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.085525 × 10⁷

Factors of 20855250

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 77

Divisors of 20855250

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 23 25 26 30 31 39 45 46 50 62 65 69 75 78 90 93 115 117 125 130 138 150 155 186 195 207 225 230 234 250 279 299 310 325 345 375 390 403 414 450 465 558 575 585 598 650 690 713 750 775 806 897 930 975 1035 1125 1150 1170 1209 1395 1426 1495 1550 1625 1725 1794 1950 2015 2070 2139 2250 2325 2418 2691 2790 2875 2925 2990 3250 3450 3565 3627 3875 4030 4278 4485 4650 4875 5175 5382 5750 5850 6045 6417 6975 7130 7254 7475 7750 8625 8970 9269 9750 10075 10350 10695 11625 12090 12834 13455 13950 14625 14950 17250 17825 18135 18538 20150 21390 22425 23250 25875 26910 27807 29250 30225 32085 34875 35650 36270 37375 44850 46345 50375 51750 53475 55614 60450 64170 67275 69750 74750 83421 89125 90675 92690 100750 106950 112125 134550 139035 151125 160425 166842 178250 181350 224250 231725 267375 278070 302250 320850 336375 417105 453375 463450 534750 672750 695175 802125 834210 906750 1158625 1390350 1604250 2085525 2317250 3475875 4171050 6951750 10427625 20855250
• Sum of all divisors σ(n): 65415168
• Sum of proper divisors (its aliquot sum) s(n): 44559918
• 20855250 is an abundant number, because the sum of its proper divisors (44559918) is greater than itself. Its abundance is 23704668

Bases of 20855250

• Binary: 1001111100011100111010010₂
• Hexadecimal: 0x13E39D2
• Base-36: CF00I

Squares and roots of 20855250

• 20855250 squared (20855250²) is 434941452562500
• 20855250 cubed (20855250³) is 9070812728554078125000
• The square root of 20855250 is 4566.7548653283
• The cube root of 20855250 is 275.2570599105

Scales and comparisons

• 20,855,250 seconds is equal to 34 weeks, 3 days, 9 hours, 7 minutes, 30 seconds.
• To count from 1 to 20,855,250 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 20855250 cubic inches would be around 22.9 feet tall.

Recreational maths with 20855250

• 20855250 backwards is 05255802
• The number of decimal digits it has is: 8
• The sum of 20855250's digits is 27
• More coming soon!