20162221

Names of 20162221

• Cardinal: 20162221 can be written as Twenty million, one hundred sixty-two thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 2.0162221 × 10⁷

Factors of 20162221

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 40943

Divisors of 20162221

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 29 493 40897 695249 1186013 20162221
• Sum of all divisors σ(n): 22084920
• Sum of proper divisors (its aliquot sum) s(n): 1922699
• 20162221 is a deficient number, because the sum of its proper divisors (1922699) is less than itself. Its deficiency is 18239522

Bases of 20162221

• Binary: 1001100111010011010101101₂
• Hexadecimal: 0x133A6AD
• Base-36: C059P

Squares and roots of 20162221

• 20162221 squared (20162221²) is 406515155652841
• 20162221 cubed (20162221³) is 8196248408121979519861
• The square root of 20162221 is 4490.2361853247
• The cube root of 20162221 is 272.1736789065

Scales and comparisons

• 20,162,221 seconds is equal to 33 weeks, 2 days, 8 hours, 37 minutes, 1 second.
• To count from 1 to 20,162,221 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 20162221 cubic inches would be around 22.7 feet tall.

Recreational maths with 20162221

• 20162221 backwards is 12226102
• The number of decimal digits it has is: 8
• The sum of 20162221's digits is 16
• More coming soon!