20808800

Names of 20808800

• Cardinal: 20808800 can be written as Twenty million, eight hundred eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.08088 × 10⁷

Factors of 20808800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 63

Divisors of 20808800

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 32 37 38 40 50 74 76 80 95 100 148 152 160 185 190 200 296 304 370 380 400 475 592 608 703 740 760 800 925 950 1184 1369 1406 1480 1520 1850 1900 2738 2812 2960 3040 3515 3700 3800 5476 5624 5920 6845 7030 7400 7600 10952 11248 13690 14060 14800 15200 17575 21904 22496 26011 27380 28120 29600 34225 35150 43808 52022 54760 56240 68450 70300 104044 109520 112480 130055 136900 140600 208088 219040 260110 273800 281200 416176 520220 547600 562400 650275 832352 1040440 1095200 1300550 2080880 2601100 4161760 5202200 10404400 20808800
• Sum of all divisors σ(n): 54957420
• Sum of proper divisors (its aliquot sum) s(n): 34148620
• 20808800 is an abundant number, because the sum of its proper divisors (34148620) is greater than itself. Its abundance is 13339820

Bases of 20808800

• Binary: 1001111011000010001100000₂
• Hexadecimal: 0x13D8460
• Base-36: CE068

Squares and roots of 20808800

• 20808800 squared (20808800²) is 433006157440000
• 20808800 cubed (20808800³) is 9010338528937472000000
• The square root of 20808800 is 4561.6663621971
• The cube root of 20808800 is 275.0525519401

Scales and comparisons

• 20,808,800 seconds is equal to 34 weeks, 2 days, 20 hours, 13 minutes, 20 seconds.
• To count from 1 to 20,808,800 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 20808800 cubic inches would be around 22.9 feet tall.

Recreational maths with 20808800

• 20808800 backwards is 00880802
• The number of decimal digits it has is: 8
• The sum of 20808800's digits is 26
• More coming soon!