20320421

Names of 20320421

• Cardinal: 20320421 can be written as Twenty million, three hundred twenty thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 2.0320421 × 10⁷

Factors of 20320421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5923

Divisors of 20320421

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 331 3641 5581 61391 1847311 20320421
• Sum of all divisors σ(n): 22238688
• Sum of proper divisors (its aliquot sum) s(n): 1918267
• 20320421 is a deficient number, because the sum of its proper divisors (1918267) is less than itself. Its deficiency is 18402154

Bases of 20320421

• Binary: 1001101100001000010100101₂
• Hexadecimal: 0x13610A5
• Base-36: C3JC5

Squares and roots of 20320421

• 20320421 squared (20320421²) is 412919509617241
• 20320421 cubed (20320421³) is 8390698274535885978461
• The square root of 20320421 is 4507.8177647283
• The cube root of 20320421 is 272.8836825071

Scales and comparisons

• 20,320,421 seconds is equal to 33 weeks, 4 days, 4 hours, 33 minutes, 41 seconds.
• To count from 1 to 20,320,421 would take you about fifty 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 20320421 cubic inches would be around 22.7 feet tall.

Recreational maths with 20320421

• 20320421 backwards is 12402302
• The number of decimal digits it has is: 8
• The sum of 20320421's digits is 14
• More coming soon!