20840449

Names of 20840449

• Cardinal: 20840449 can be written as Twenty million, eight hundred forty thousand, four hundred forty-nine.

Scientific notation

• Scientific notation: 2.0840449 × 10⁷

Factors of 20840449

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3959

Divisors of 20840449

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 1013 2939 7091 20573 2977207 20840449
• Sum of all divisors σ(n): 23849280
• Sum of proper divisors (its aliquot sum) s(n): 3008831
• 20840449 is a deficient number, because the sum of its proper divisors (3008831) is less than itself. Its deficiency is 17831618

Bases of 20840449

• Binary: 1001111100000000000000001₂
• Hexadecimal: 0x13E0001
• Base-36: CEOLD

Squares and roots of 20840449

• 20840449 squared (20840449²) is 434324314521601
• 20840449 cubed (20840449³) is 9051513726247385038849
• The square root of 20840449 is 4565.1340615583
• The cube root of 20840449 is 275.1919277269

Scales and comparisons

• 20,840,449 seconds is equal to 34 weeks, 3 days, 5 hours, 49 seconds.
• To count from 1 to 20,840,449 would take you about fifty-one 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 20840449 cubic inches would be around 22.9 feet tall.

Recreational maths with 20840449

• 20840449 backwards is 94404802
• The number of decimal digits it has is: 8
• The sum of 20840449's digits is 31
• More coming soon!