20440731

Names of 20440731

• Cardinal: 20440731 can be written as Twenty million, four hundred forty thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 2.0440731 × 10⁷

Factors of 20440731

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6813580

Divisors of 20440731

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 6813577 20440731
• Sum of all divisors σ(n): 27254312
• Sum of proper divisors (its aliquot sum) s(n): 6813581
• 20440731 is a deficient number, because the sum of its proper divisors (6813581) is less than itself. Its deficiency is 13627150

Bases of 20440731

• Binary: 1001101111110011010011011₂
• Hexadecimal: 0x137E69B
• Base-36: C6463

Squares and roots of 20440731

• 20440731 squared (20440731²) is 417823483814361
• 20440731 cubed (20440731³) is 8540617438132207137891
• The square root of 20440731 is 4521.1426653003
• The cube root of 20440731 is 273.4211722777

Scales and comparisons

• 20,440,731 seconds is equal to 33 weeks, 5 days, 13 hours, 58 minutes, 51 seconds.
• To count from 1 to 20,440,731 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 20440731 cubic inches would be around 22.8 feet tall.

Recreational maths with 20440731

• 20440731 backwards is 13704402
• The number of decimal digits it has is: 8
• The sum of 20440731's digits is 21
• More coming soon!