40991723

Names of 40991723

• Cardinal: 40991723 can be written as Forty million, nine hundred ninety-one thousand, seven hundred twenty-three.

Scientific notation

• Scientific notation: 4.0991723 × 10⁷

Factors of 40991723

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 40991723

Divisors of 40991723

• Number of divisors d(n): 2
• Complete list of divisors:
  1 40991723
• Sum of all divisors σ(n): 40991724
• Sum of proper divisors (its aliquot sum) s(n): 1
• 40991723 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 40991722

Bases of 40991723

• Binary: 10011100010111101111101011₂
• Hexadecimal: 0x2717BEB
• Base-36: OELEZ

Squares and roots of 40991723

• 40991723 squared (40991723²) is 1680321354508729
• 40991723 cubed (40991723³) is 68879267515006620250067
• The square root of 40991723 is 6402.4778796963
• The cube root of 40991723 is 344.7985184977

Scales and comparisons

• 40,991,723 seconds is equal to 1 year, 15 weeks, 5 days, 10 hours, 35 minutes, 23 seconds.
• To count from 1 to 40,991,723 would take you about forty-nine 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 40991723 cubic inches would be around 28.7 feet tall.

Recreational maths with 40991723

• 40991723 backwards is 32719904
• The number of decimal digits it has is: 8
• The sum of 40991723's digits is 35
• More coming soon!