40981309

Names of 40981309

• Cardinal: 40981309 can be written as Forty million, nine hundred eighty-one thousand, three hundred nine.

Scientific notation

• Scientific notation: 4.0981309 × 10⁷

Factors of 40981309

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2979

Divisors of 40981309

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 1297 1663 24643 31597 2156911 40981309
• Sum of all divisors σ(n): 43197440
• Sum of proper divisors (its aliquot sum) s(n): 2216131
• 40981309 is a deficient number, because the sum of its proper divisors (2216131) is less than itself. Its deficiency is 38765178

Bases of 40981309

• Binary: 10011100010101001100111101₂
• Hexadecimal: 0x271533D
• Base-36: OEDDP

Squares and roots of 40981309

• 40981309 squared (40981309²) is 1679467687353481
• 40981309 cubed (40981309³) is 68826784250948397086629
• The square root of 40981309 is 6401.6645491623
• The cube root of 40981309 is 344.7693171889

Scales and comparisons

• 40,981,309 seconds is equal to 1 year, 15 weeks, 5 days, 7 hours, 41 minutes, 49 seconds.
• To count from 1 to 40,981,309 would take you about forty-nine 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 40981309 cubic inches would be around 28.7 feet tall.

Recreational maths with 40981309

• 40981309 backwards is 90318904
• The number of decimal digits it has is: 8
• The sum of 40981309's digits is 34
• More coming soon!