20215007

Names of 20215007

• Cardinal: 20215007 can be written as Twenty million, two hundred fifteen thousand and seven.

Scientific notation

• Scientific notation: 2.0215007 × 10⁷

Factors of 20215007

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3853

Divisors of 20215007

• Number of divisors d(n): 8
• Complete list of divisors:
  1 31 179 3643 5549 112933 652097 20215007
• Sum of all divisors σ(n): 20989440
• Sum of proper divisors (its aliquot sum) s(n): 774433
• 20215007 is a deficient number, because the sum of its proper divisors (774433) is less than itself. Its deficiency is 19440574

Bases of 20215007

• Binary: 1001101000111010011011111₂
• Hexadecimal: 0x13474DF
• Base-36: C19ZZ

Squares and roots of 20215007

• 20215007 squared (20215007²) is 408646508010049
• 20215007 cubed (20215007³) is 8260792019948696605343
• The square root of 20215007 is 4496.1102077241
• The cube root of 20215007 is 272.4109946951

Scales and comparisons

• 20,215,007 seconds is equal to 33 weeks, 2 days, 23 hours, 16 minutes, 47 seconds.
• To count from 1 to 20,215,007 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 20215007 cubic inches would be around 22.7 feet tall.

Recreational maths with 20215007

• 20215007 backwards is 70051202
• The number of decimal digits it has is: 8
• The sum of 20215007's digits is 17
• More coming soon!