42855018

Names of 42855018

• Cardinal: 42855018 can be written as Forty-two million, eight hundred fifty-five thousand and eighteen.

Scientific notation

• Scientific notation: 4.2855018 × 10⁷

Factors of 42855018

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7142508

Divisors of 42855018

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 7142503 14285006 21427509 42855018
• Sum of all divisors σ(n): 85710048
• Sum of proper divisors (its aliquot sum) s(n): 42855030
• 42855018 is an abundant number, because the sum of its proper divisors (42855030) is greater than itself. Its abundance is 12

Bases of 42855018

• Binary: 10100011011110101001101010₂
• Hexadecimal: 0x28DEA6A
• Base-36: PIJ56

Squares and roots of 42855018

• 42855018 squared (42855018²) is 1836552567780324
• 42855018 cubed (42855018³) is 78705493350172005065832
• The square root of 42855018 is 6546.3744164231
• The cube root of 42855018 is 349.9456187619

Scales and comparisons

• 42,855,018 seconds is equal to 1 year, 18 weeks, 6 days, 10 minutes, 18 seconds.
• To count from 1 to 42,855,018 would take you about two years!

  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 42855018 cubic inches would be around 29.2 feet tall.

Recreational maths with 42855018

• 42855018 backwards is 81055824
• The number of decimal digits it has is: 8
• The sum of 42855018's digits is 33
• More coming soon!