42942878

Names of 42942878

• Cardinal: 42942878 can be written as Forty-two million, nine hundred forty-two thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 4.2942878 × 10⁷

Factors of 42942878

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1951962

Divisors of 42942878

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11 22 1951949 3903898 21471439 42942878
• Sum of all divisors σ(n): 70270200
• Sum of proper divisors (its aliquot sum) s(n): 27327322
• 42942878 is a deficient number, because the sum of its proper divisors (27327322) is less than itself. Its deficiency is 15615556

Bases of 42942878

• Binary: 10100011110100000110011110₂
• Hexadecimal: 0x28F419E
• Base-36: PKEXQ

Squares and roots of 42942878

• 42942878 squared (42942878²) is 1844090770922884
• 42942878 cubed (42942878³) is 79190564996667355020152
• The square root of 42942878 is 6553.0815651875
• The cube root of 42942878 is 350.1846046555

Scales and comparisons

• 42,942,878 seconds is equal to 1 year, 19 weeks, 34 minutes, 38 seconds.
• To count from 1 to 42,942,878 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 42942878 cubic inches would be around 29.2 feet tall.

Recreational maths with 42942878

• 42942878 backwards is 87824924
• The number of decimal digits it has is: 8
• The sum of 42942878's digits is 44
• More coming soon!