20500901

Names of 20500901

• Cardinal: 20500901 can be written as Twenty million, five hundred thousand, nine hundred one.

Scientific notation

• Scientific notation: 2.0500901 × 10⁷

Factors of 20500901

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20500901

Divisors of 20500901

• Number of divisors d(n): 2
• Complete list of divisors:
  1 20500901
• Sum of all divisors σ(n): 20500902
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20500901 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20500900

Bases of 20500901

• Binary: 1001110001101000110100101₂
• Hexadecimal: 0x138D1A5
• Base-36: C7ELH

Squares and roots of 20500901

• 20500901 squared (20500901²) is 420286941811801
• 20500901 cubed (20500901³) is 8616260985676492932701
• The square root of 20500901 is 4527.7920667805
• The cube root of 20500901 is 273.6891932803

Scales and comparisons

• 20,500,901 seconds is equal to 33 weeks, 6 days, 6 hours, 41 minutes, 41 seconds.
• To count from 1 to 20,500,901 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 20500901 cubic inches would be around 22.8 feet tall.

Recreational maths with 20500901

• 20500901 backwards is 10900502
• The number of decimal digits it has is: 8
• The sum of 20500901's digits is 17
• More coming soon!