42947799

Names of 42947799

• Cardinal: 42947799 can be written as Forty-two million, nine hundred forty-seven thousand, seven hundred ninety-nine.

Scientific notation

• Scientific notation: 4.2947799 × 10⁷

Factors of 42947799

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 14315936

Divisors of 42947799

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 14315933 42947799
• Sum of all divisors σ(n): 57263736
• Sum of proper divisors (its aliquot sum) s(n): 14315937
• 42947799 is a deficient number, because the sum of its proper divisors (14315937) is less than itself. Its deficiency is 28631862

Bases of 42947799

• Binary: 10100011110101010011010111₂
• Hexadecimal: 0x28F54D7
• Base-36: PKIQF

Squares and roots of 42947799

• 42947799 squared (42947799²) is 1844513438944401
• 42947799 cubed (42947799³) is 79217792428582906323399
• The square root of 42947799 is 6553.4570266387
• The cube root of 42947799 is 350.1979805065

Scales and comparisons

• 42,947,799 seconds is equal to 1 year, 19 weeks, 1 hour, 56 minutes, 39 seconds.
• To count from 1 to 42,947,799 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 42947799 cubic inches would be around 29.2 feet tall.

Recreational maths with 42947799

• 42947799 backwards is 99774924
• The number of decimal digits it has is: 8
• The sum of 42947799's digits is 51
• More coming soon!