20489042

Names of 20489042

• Cardinal: 20489042 can be written as Twenty million, four hundred eighty-nine thousand and forty-two.

Scientific notation

• Scientific notation: 2.0489042 × 10⁷

Factors of 20489042

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1463512

Divisors of 20489042

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 1463503 2927006 10244521 20489042
• Sum of all divisors σ(n): 35124096
• Sum of proper divisors (its aliquot sum) s(n): 14635054
• 20489042 is a deficient number, because the sum of its proper divisors (14635054) is less than itself. Its deficiency is 5853988

Bases of 20489042

• Binary: 1001110001010001101010010₂
• Hexadecimal: 0x138A352
• Base-36: C75G2

Squares and roots of 20489042

• 20489042 squared (20489042²) is 419800842077764
• 20489042 cubed (20489042³) is 8601317084966673862088
• The square root of 20489042 is 4526.4822986509
• The cube root of 20489042 is 273.6364101339

Scales and comparisons

• 20,489,042 seconds is equal to 33 weeks, 6 days, 3 hours, 24 minutes, 2 seconds.
• To count from 1 to 20,489,042 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 20489042 cubic inches would be around 22.8 feet tall.

Recreational maths with 20489042

• 20489042 backwards is 24098402
• The number of decimal digits it has is: 8
• The sum of 20489042's digits is 29
• More coming soon!