42472081

Names of 42472081

• Cardinal: 42472081 can be written as Forty-two million, four hundred seventy-two thousand and eighty-one.

Scientific notation

• Scientific notation: 4.2472081 × 10⁷

Factors of 42472081

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 42472081

Divisors of 42472081

• Number of divisors d(n): 2
• Complete list of divisors:
  1 42472081
• Sum of all divisors σ(n): 42472082
• Sum of proper divisors (its aliquot sum) s(n): 1
• 42472081 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42472080

Bases of 42472081

• Binary: 10100010000001001010010001₂
• Hexadecimal: 0x2881291
• Base-36: PABO1

Squares and roots of 42472081

• 42472081 squared (42472081²) is 1803877664470561
• 42472081 cubed (42472081³) is 76614438279484488907441
• The square root of 42472081 is 6517.0607638721
• The cube root of 42472081 is 348.9001693101

Scales and comparisons

• 42,472,081 seconds is equal to 1 year, 18 weeks, 1 day, 13 hours, 48 minutes, 1 second.
• To count from 1 to 42,472,081 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 42472081 cubic inches would be around 29.1 feet tall.

Recreational maths with 42472081

• 42472081 backwards is 18027424
• The number of decimal digits it has is: 8
• The sum of 42472081's digits is 28
• More coming soon!