40472786

Names of 40472786

• Cardinal: 40472786 can be written as Forty million, four hundred seventy-two thousand, seven hundred eighty-six.

Scientific notation

• Scientific notation: 4.0472786 × 10⁷

Factors of 40472786

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 14188

Divisors of 40472786

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 1609 3218 12577 25154 20236393 40472786
• Sum of all divisors σ(n): 60751740
• Sum of proper divisors (its aliquot sum) s(n): 20278954
• 40472786 is a deficient number, because the sum of its proper divisors (20278954) is less than itself. Its deficiency is 20193832

Bases of 40472786

• Binary: 10011010011001000011010010₂
• Hexadecimal: 0x26990D2
• Base-36: O3H02

Squares and roots of 40472786

• 40472786 squared (40472786²) is 1638046406601796
• 40472786 cubed (40472786³) is 66296301672463476723656
• The square root of 40472786 is 6361.8225376065
• The cube root of 40472786 is 343.3373363867

Scales and comparisons

• 40,472,786 seconds is equal to 1 year, 14 weeks, 6 days, 10 hours, 26 minutes, 26 seconds.
• To count from 1 to 40,472,786 would take you about forty-eight weeks!

  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 40472786 cubic inches would be around 28.6 feet tall.

Recreational maths with 40472786

• 40472786 backwards is 68727404
• The number of decimal digits it has is: 8
• The sum of 40472786's digits is 38
• More coming soon!