40685330

Names of 40685330

• Cardinal: 40685330 can be written as Forty million, six hundred eighty-five thousand, three hundred thirty.

Scientific notation

• Scientific notation: 4.068533 × 10⁷

Factors of 40685330

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 18794

Divisors of 40685330

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 18749 37498 93745 131243 187490 262486 581219 656215 1162438 1312430 2906095 4068533 5812190 8137066 20342665 40685330
• Sum of all divisors σ(n): 86400000
• Sum of proper divisors (its aliquot sum) s(n): 45714670
• 40685330 is an abundant number, because the sum of its proper divisors (45714670) is greater than itself. Its abundance is 5029340

Bases of 40685330

• Binary: 10011011001100111100010010₂
• Hexadecimal: 0x26CCF12
• Base-36: O8102

Squares and roots of 40685330

• 40685330 squared (40685330²) is 1655296077208900
• 40685330 cubed (40685330³) is 67346267148949575437000
• The square root of 40685330 is 6378.5053108075
• The cube root of 40685330 is 343.9373026623

Scales and comparisons

• 40,685,330 seconds is equal to 1 year, 15 weeks, 1 day, 21 hours, 28 minutes, 50 seconds.
• To count from 1 to 40,685,330 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 40685330 cubic inches would be around 28.7 feet tall.

Recreational maths with 40685330

• 40685330 backwards is 03358604
• The number of decimal digits it has is: 8
• The sum of 40685330's digits is 29
• More coming soon!