42912086

Names of 42912086

• Cardinal: 42912086 can be written as Forty-two million, nine hundred twelve thousand and eighty-six.

Scientific notation

• Scientific notation: 4.2912086 × 10⁷

Factors of 42912086

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 596

Divisors of 42912086

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 53 106 151 302 371 383 742 766 1057 2114 2681 5362 8003 16006 20299 40598 56021 57833 112042 115666 142093 284186 404831 809662 3065149 6130298 21456043 42912086
• Sum of all divisors σ(n): 75644928
• Sum of proper divisors (its aliquot sum) s(n): 32732842
• 42912086 is a deficient number, because the sum of its proper divisors (32732842) is less than itself. Its deficiency is 10179244

Bases of 42912086

• Binary: 10100011101100100101010110₂
• Hexadecimal: 0x28EC956
• Base-36: PJR6E

Squares and roots of 42912086

• 42912086 squared (42912086²) is 1841447124871396
• 42912086 cubed (42912086³) is 79020337386934084092056
• The square root of 42912086 is 6550.7317148545
• The cube root of 42912086 is 350.1008852035

Scales and comparisons

• 42,912,086 seconds is equal to 1 year, 18 weeks, 6 days, 16 hours, 1 minute, 26 seconds.
• To count from 1 to 42,912,086 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 42912086 cubic inches would be around 29.2 feet tall.

Recreational maths with 42912086

• 42912086 backwards is 68021924
• The number of decimal digits it has is: 8
• The sum of 42912086's digits is 32
• More coming soon!