40840109

Names of 40840109

• Cardinal: 40840109 can be written as Forty million, eight hundred forty thousand, one hundred nine.

Scientific notation

• Scientific notation: 4.0840109 × 10⁷

Factors of 40840109

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 40840109

Divisors of 40840109

• Number of divisors d(n): 2
• Complete list of divisors:
  1 40840109
• Sum of all divisors σ(n): 40840110
• Sum of proper divisors (its aliquot sum) s(n): 1
• 40840109 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 40840108

Bases of 40840109

• Binary: 10011011110010101110101101₂
• Hexadecimal: 0x26F2BAD
• Base-36: OBCFH

Squares and roots of 40840109

• 40840109 squared (40840109²) is 1667914503131881
• 40840109 cubed (40840109³) is 68117810110586861415029
• The square root of 40840109 is 6390.6266515891
• The cube root of 40840109 is 344.3728970789

Scales and comparisons

• 40,840,109 seconds is equal to 1 year, 15 weeks, 3 days, 16 hours, 28 minutes, 29 seconds.
• To count from 1 to 40,840,109 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 40840109 cubic inches would be around 28.7 feet tall.

Recreational maths with 40840109

• 40840109 backwards is 90104804
• The number of decimal digits it has is: 8
• The sum of 40840109's digits is 26
• More coming soon!