42039005

Names of 42039005

• Cardinal: 42039005 can be written as Forty-two million, thirty-nine thousand and five.

Scientific notation

• Scientific notation: 4.2039005 × 10⁷

Factors of 42039005

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 30207

Divisors of 42039005

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 281 1405 29921 149605 8407801 42039005
• Sum of all divisors σ(n): 50628024
• Sum of proper divisors (its aliquot sum) s(n): 8589019
• 42039005 is a deficient number, because the sum of its proper divisors (8589019) is less than itself. Its deficiency is 33449986

Bases of 42039005

• Binary: 10100000010111011011011101₂
• Hexadecimal: 0x28176DD
• Base-36: P11I5

Squares and roots of 42039005

• 42039005 squared (42039005²) is 1767277941390025
• 42039005 cubed (42039005³) is 74294606214484967925125
• The square root of 42039005 is 6483.7493011375
• The cube root of 42039005 is 347.7102362899

Scales and comparisons

• 42,039,005 seconds is equal to 1 year, 17 weeks, 3 days, 13 hours, 30 minutes, 5 seconds.
• To count from 1 to 42,039,005 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 42039005 cubic inches would be around 29 feet tall.

Recreational maths with 42039005

• 42039005 backwards is 50093024
• The number of decimal digits it has is: 8
• The sum of 42039005's digits is 23
• More coming soon!