42045881

Names of 42045881

• Cardinal: 42045881 can be written as Forty-two million, forty-five thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 4.2045881 × 10⁷

Factors of 42045881

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 111318

Divisors of 42045881

• Number of divisors d(n): 4
• Complete list of divisors:
  1 379 110939 42045881
• Sum of all divisors σ(n): 42157200
• Sum of proper divisors (its aliquot sum) s(n): 111319
• 42045881 is a deficient number, because the sum of its proper divisors (111319) is less than itself. Its deficiency is 41934562

Bases of 42045881

• Binary: 10100000011001000110111001₂
• Hexadecimal: 0x28191B9
• Base-36: P16T5

Squares and roots of 42045881

• 42045881 squared (42045881²) is 1767856109066161
• 42045881 cubed (42045881³) is 74331067586918826532841
• The square root of 42045881 is 6484.2795282129
• The cube root of 42045881 is 347.7291926951

Scales and comparisons

• 42,045,881 seconds is equal to 1 year, 17 weeks, 3 days, 15 hours, 24 minutes, 41 seconds.
• To count from 1 to 42,045,881 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 42045881 cubic inches would be around 29 feet tall.

Recreational maths with 42045881

• 42045881 backwards is 18854024
• The number of decimal digits it has is: 8
• The sum of 42045881's digits is 32
• More coming soon!