20998535

Names of 20998535

• Cardinal: 20998535 can be written as Twenty million, nine hundred ninety-eight thousand, five hundred thirty-five.

Scientific notation

• Scientific notation: 2.0998535 × 10⁷

Factors of 20998535

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4199712

Divisors of 20998535

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 4199707 20998535
• Sum of all divisors σ(n): 25198248
• Sum of proper divisors (its aliquot sum) s(n): 4199713
• 20998535 is a deficient number, because the sum of its proper divisors (4199713) is less than itself. Its deficiency is 16798822

Bases of 20998535

• Binary: 1010000000110100110000111₂
• Hexadecimal: 0x1406987
• Base-36: CI2KN

Squares and roots of 20998535

• 20998535 squared (20998535²) is 440938472146225
• 20998535 cubed (20998535³) is 9259061940209030780375
• The square root of 20998535 is 4582.4158475633
• The cube root of 20998535 is 275.8860018953

Scales and comparisons

• 20,998,535 seconds is equal to 34 weeks, 5 days, 55 minutes, 35 seconds.
• To count from 1 to 20,998,535 would take you about thirteen hours!

  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 20998535 cubic inches would be around 23 feet tall.

Recreational maths with 20998535

• 20998535 backwards is 53589902
• The number of decimal digits it has is: 8
• The sum of 20998535's digits is 41
• More coming soon!