40144909

Names of 40144909

• Cardinal: 40144909 can be written as Forty million, one hundred forty-four thousand, nine hundred nine.

Scientific notation

• Scientific notation: 4.0144909 × 10⁷

Factors of 40144909

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 122075

Divisors of 40144909

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 47 329 122021 854147 5734987 40144909
• Sum of all divisors σ(n): 46856448
• Sum of proper divisors (its aliquot sum) s(n): 6711539
• 40144909 is a deficient number, because the sum of its proper divisors (6711539) is less than itself. Its deficiency is 33433370

Bases of 40144909

• Binary: 10011001001001000000001101₂
• Hexadecimal: 0x264900D
• Base-36: NWG0D

Squares and roots of 40144909

• 40144909 squared (40144909²) is 1611613718618281
• 40144909 cubed (40144909³) is 64698086077082496481429
• The square root of 40144909 is 6336.0010258837
• The cube root of 40144909 is 342.4076764673

Scales and comparisons

• 40,144,909 seconds is equal to 1 year, 14 weeks, 2 days, 15 hours, 21 minutes, 49 seconds.
• To count from 1 to 40,144,909 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 40144909 cubic inches would be around 28.5 feet tall.

Recreational maths with 40144909

• 40144909 backwards is 90944104
• The number of decimal digits it has is: 8
• The sum of 40144909's digits is 31
• More coming soon!