20268221

Names of 20268221

• Cardinal: 20268221 can be written as Twenty million, two hundred sixty-eight thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 2.0268221 × 10⁷

Factors of 20268221

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1915

Divisors of 20268221

• Number of divisors d(n): 8
• Complete list of divisors:
  1 23 829 1063 19067 24449 881227 20268221
• Sum of all divisors σ(n): 21194880
• Sum of proper divisors (its aliquot sum) s(n): 926659
• 20268221 is a deficient number, because the sum of its proper divisors (926659) is less than itself. Its deficiency is 19341562

Bases of 20268221

• Binary: 1001101010100010010111101₂
• Hexadecimal: 0x13544BD
• Base-36: C2F25

Squares and roots of 20268221

• 20268221 squared (20268221²) is 410800782504841
• 20268221 cubed (20268221³) is 8326201046781050957861
• The square root of 20268221 is 4502.0241003355
• The cube root of 20268221 is 272.6498168965

Scales and comparisons

• 20,268,221 seconds is equal to 33 weeks, 3 days, 14 hours, 3 minutes, 41 seconds.
• To count from 1 to 20,268,221 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 20268221 cubic inches would be around 22.7 feet tall.

Recreational maths with 20268221

• 20268221 backwards is 12286202
• 20268221 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20268221's digits is 23
• More coming soon!