40103813

Names of 40103813

• Cardinal: 40103813 can be written as Forty million, one hundred three thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 4.0103813 × 10⁷

Factors of 40103813

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 18811

Divisors of 40103813

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 113 2147 18679 354901 2110727 40103813
• Sum of all divisors σ(n): 42590400
• Sum of proper divisors (its aliquot sum) s(n): 2486587
• 40103813 is a deficient number, because the sum of its proper divisors (2486587) is less than itself. Its deficiency is 37617226

Bases of 40103813

• Binary: 10011000111110111110000101₂
• Hexadecimal: 0x263EF85
• Base-36: NVKAT

Squares and roots of 40103813

• 40103813 squared (40103813²) is 1608315817138969
• 40103813 cubed (40103813³) is 64499596775483407788797
• The square root of 40103813 is 6332.7571404563
• The cube root of 40103813 is 342.2907966385

Scales and comparisons

• 40,103,813 seconds is equal to 1 year, 14 weeks, 2 days, 3 hours, 56 minutes, 53 seconds.
• To count from 1 to 40,103,813 would take you about forty-seven 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 40103813 cubic inches would be around 28.5 feet tall.

Recreational maths with 40103813

• 40103813 backwards is 31830104
• The number of decimal digits it has is: 8
• The sum of 40103813's digits is 20
• More coming soon!