20790790

Names of 20790790

• Cardinal: 20790790 can be written as Twenty million, seven hundred ninety thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.079079 × 10⁷

Factors of 20790790

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2079086

Divisors of 20790790

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 2079079 4158158 10395395 20790790
• Sum of all divisors σ(n): 37423440
• Sum of proper divisors (its aliquot sum) s(n): 16632650
• 20790790 is a deficient number, because the sum of its proper divisors (16632650) is less than itself. Its deficiency is 4158140

Bases of 20790790

• Binary: 1001111010011111000000110₂
• Hexadecimal: 0x13D3E06
• Base-36: CDM9Y

Squares and roots of 20790790

• 20790790 squared (20790790²) is 432256948824100
• 20790790 cubed (20790790³) is 8986963449042610039000
• The square root of 20790790 is 4559.6918755549
• The cube root of 20790790 is 274.9731764471

Scales and comparisons

• 20,790,790 seconds is equal to 34 weeks, 2 days, 15 hours, 13 minutes, 10 seconds.
• To count from 1 to 20,790,790 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 20790790 cubic inches would be around 22.9 feet tall.

Recreational maths with 20790790

• 20790790 backwards is 09709702
• The number of decimal digits it has is: 8
• The sum of 20790790's digits is 34
• More coming soon!