42125918

Names of 42125918

• Cardinal: 42125918 can be written as Forty-two million, one hundred twenty-five thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 4.2125918 × 10⁷

Factors of 42125918

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 21062961

Divisors of 42125918

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 21062959 42125918
• Sum of all divisors σ(n): 63188880
• Sum of proper divisors (its aliquot sum) s(n): 21062962
• 42125918 is a deficient number, because the sum of its proper divisors (21062962) is less than itself. Its deficiency is 21062956

Bases of 42125918

• Binary: 10100000101100101001011110₂
• Hexadecimal: 0x282CA5E
• Base-36: P2WKE

Squares and roots of 42125918

• 42125918 squared (42125918²) is 1774592967342724
• 42125918 cubed (42125918³) is 74756357825656269120632
• The square root of 42125918 is 6490.4482125659
• The cube root of 42125918 is 347.9496943623

Scales and comparisons

• 42,125,918 seconds is equal to 1 year, 17 weeks, 4 days, 13 hours, 38 minutes, 38 seconds.
• To count from 1 to 42,125,918 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 42125918 cubic inches would be around 29 feet tall.

Recreational maths with 42125918

• 42125918 backwards is 81952124
• The number of decimal digits it has is: 8
• The sum of 42125918's digits is 32
• More coming soon!