20708820

Names of 20708820

• Cardinal: 20708820 can be written as Twenty million, seven hundred eight thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.070882 × 10⁷

Factors of 20708820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10480

Divisors of 20708820

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 10459 20918 31377 41836 52295 62754 94131 104590 115049 125508 156885 188262 209180 230098 313770 345147 376524 460196 470655 575245 627540 690294 941310 1035441 1150490 1380588 1725735 1882620 2070882 2300980 3451470 4141764 5177205 6902940 10354410 20708820
• Sum of all divisors σ(n): 68533920
• Sum of proper divisors (its aliquot sum) s(n): 47825100
• 20708820 is an abundant number, because the sum of its proper divisors (47825100) is greater than itself. Its abundance is 27116280

Bases of 20708820

• Binary: 1001110111111110111010100₂
• Hexadecimal: 0x13BFDD4
• Base-36: CBV10

Squares and roots of 20708820

• 20708820 squared (20708820²) is 428855225792400
• 20708820 cubed (20708820³) is 8881085676994168968000
• The square root of 20708820 is 4550.6944524985
• The cube root of 20708820 is 274.6113297209

Scales and comparisons

• 20,708,820 seconds is equal to 34 weeks, 1 day, 16 hours, 27 minutes.
• To count from 1 to 20,708,820 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 20708820 cubic inches would be around 22.9 feet tall.

Recreational maths with 20708820

• 20708820 backwards is 02880702
• The number of decimal digits it has is: 8
• The sum of 20708820's digits is 27
• More coming soon!