42085839

Names of 42085839

• Cardinal: 42085839 can be written as Forty-two million, eighty-five thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 4.2085839 × 10⁷

Factors of 42085839

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7517

Divisors of 42085839

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 3463 4051 10389 12153 14028613 42085839
• Sum of all divisors σ(n): 56144512
• Sum of proper divisors (its aliquot sum) s(n): 14058673
• 42085839 is a deficient number, because the sum of its proper divisors (14058673) is less than itself. Its deficiency is 28027166

Bases of 42085839

• Binary: 10100000100010110111001111₂
• Hexadecimal: 0x2822DCF
• Base-36: P21N3

Squares and roots of 42085839

• 42085839 squared (42085839²) is 1771217844333921
• 42085839 cubed (42085839³) is 74543189030564461444719
• The square root of 42085839 is 6487.3599406847
• The cube root of 42085839 is 347.8393117963

Scales and comparisons

• 42,085,839 seconds is equal to 1 year, 17 weeks, 4 days, 2 hours, 30 minutes, 39 seconds.
• To count from 1 to 42,085,839 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 42085839 cubic inches would be around 29 feet tall.

Recreational maths with 42085839

• 42085839 backwards is 93858024
• The number of decimal digits it has is: 8
• The sum of 42085839's digits is 39
• More coming soon!