40509489

Names of 40509489

• Cardinal: 40509489 can be written as Forty million, five hundred nine thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 4.0509489 × 10⁷

Factors of 40509489

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 13503166

Divisors of 40509489

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 13503163 40509489
• Sum of all divisors σ(n): 54012656
• Sum of proper divisors (its aliquot sum) s(n): 13503167
• 40509489 is a deficient number, because the sum of its proper divisors (13503167) is less than itself. Its deficiency is 27006322

Bases of 40509489

• Binary: 10011010100010000000110001₂
• Hexadecimal: 0x26A2031
• Base-36: O49BL

Squares and roots of 40509489

• 40509489 squared (40509489²) is 1641018699041121
• 40509489 cubed (40509489³) is 66476828937600601697169
• The square root of 40509489 is 6364.7065132651
• The cube root of 40509489 is 343.4410909023

Scales and comparisons

• 40,509,489 seconds is equal to 1 year, 14 weeks, 6 days, 20 hours, 38 minutes, 9 seconds.
• To count from 1 to 40,509,489 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 40509489 cubic inches would be around 28.6 feet tall.

Recreational maths with 40509489

• 40509489 backwards is 98490504
• The number of decimal digits it has is: 8
• The sum of 40509489's digits is 39
• More coming soon!