20013839

Names of 20013839

• Cardinal: 20013839 can be written as Twenty million, thirteen thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 2.0013839 × 10⁷

Factors of 20013839

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 9984

Divisors of 20013839

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2777 7207 20013839
• Sum of all divisors σ(n): 20023824
• Sum of proper divisors (its aliquot sum) s(n): 9985
• 20013839 is a deficient number, because the sum of its proper divisors (9985) is less than itself. Its deficiency is 20003854

Bases of 20013839

• Binary: 1001100010110001100001111₂
• Hexadecimal: 0x131630F
• Base-36: BWYRZ

Squares and roots of 20013839

• 20013839 squared (20013839²) is 400553751517921
• 20013839 cubed (20013839³) is 8016618293725676508719
• The square root of 20013839 is 4473.6829346747
• The cube root of 20013839 is 271.5043552669

Scales and comparisons

• 20,013,839 seconds is equal to 33 weeks, 15 hours, 23 minutes, 59 seconds.
• To count from 1 to 20,013,839 would take you about forty-nine 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 20013839 cubic inches would be around 22.6 feet tall.

Recreational maths with 20013839

• 20013839 backwards is 93831002
• The number of decimal digits it has is: 8
• The sum of 20013839's digits is 26
• More coming soon!