40109685

Names of 40109685

• Cardinal: 40109685 can be written as Forty million, one hundred nine thousand, six hundred eighty-five.

Scientific notation

• Scientific notation: 4.0109685 × 10⁷

Factors of 40109685

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 67

Divisors of 40109685

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 11 15 21 33 35 41 49 55 77 105 121 123 147 165 205 231 245 287 363 385 451 539 605 615 735 847 861 1155 1331 1353 1435 1617 1815 2009 2255 2541 2695 3157 3993 4235 4305 4961 5929 6027 6655 6765 8085 9317 9471 10045 12705 14883 15785 17787 19965 22099 24805 27951 29645 30135 34727 46585 47355 54571 65219 66297 74415 88935 104181 110495 139755 163713 173635 195657 243089 272855 326095 331485 381997 520905 729267 818565 978285 1145991 1215445 1909985 2673979 3646335 5729955 8021937 13369895 40109685
• Sum of all divisors σ(n): 84115584
• Sum of proper divisors (its aliquot sum) s(n): 44005899
• 40109685 is an abundant number, because the sum of its proper divisors (44005899) is greater than itself. Its abundance is 3896214

Bases of 40109685

• Binary: 10011001000000011001110101₂
• Hexadecimal: 0x2640675
• Base-36: NVOTX

Squares and roots of 40109685

• 40109685 squared (40109685²) is 1608786830799225
• 40109685 cubed (40109685³) is 64527933015505212994125
• The square root of 40109685 is 6333.2207446133
• The cube root of 40109685 is 342.3075018953

Scales and comparisons

• 40,109,685 seconds is equal to 1 year, 14 weeks, 2 days, 5 hours, 34 minutes, 45 seconds.
• To count from 1 to 40,109,685 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 40109685 cubic inches would be around 28.5 feet tall.

Recreational maths with 40109685

• 40109685 backwards is 58690104
• 40109685 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40109685's digits is 33
• More coming soon!