20397635

Names of 20397635

• Cardinal: 20397635 can be written as Twenty million, three hundred ninety-seven thousand, six hundred thirty-five.

Scientific notation

• Scientific notation: 2.0397635 × 10⁷

Factors of 20397635

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4079532

Divisors of 20397635

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 4079527 20397635
• Sum of all divisors σ(n): 24477168
• Sum of proper divisors (its aliquot sum) s(n): 4079533
• 20397635 is a deficient number, because the sum of its proper divisors (4079533) is less than itself. Its deficiency is 16318102

Bases of 20397635

• Binary: 1001101110011111001000011₂
• Hexadecimal: 0x1373E43
• Base-36: C56WZ

Squares and roots of 20397635

• 20397635 squared (20397635²) is 416063513593225
• 20397635 cubed (20397635³) is 8486711687092142022875
• The square root of 20397635 is 4516.3740987655
• The cube root of 20397635 is 273.2288821935

Scales and comparisons

• 20,397,635 seconds is equal to 33 weeks, 5 days, 2 hours, 35 seconds.
• To count from 1 to 20,397,635 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 20397635 cubic inches would be around 22.8 feet tall.

Recreational maths with 20397635

• 20397635 backwards is 53679302
• The number of decimal digits it has is: 8
• The sum of 20397635's digits is 35
• More coming soon!