18041620009

Names of 18041620009

• Cardinal: 18041620009 can be written as Eighteen billion, forty-one million, six hundred twenty thousand and nine.

Scientific notation

• Scientific notation: 1.8041620009 × 10¹⁰

Factors of 18041620009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 18813095

Divisors of 18041620009

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 137 959 18812951 131690657 2577374287 18041620009
• Sum of all divisors σ(n): 20769499008
• Sum of proper divisors (its aliquot sum) s(n): 2727878999
• 18041620009 is a deficient number, because the sum of its proper divisors (2727878999) is less than itself. Its deficiency is 15313741010

Bases of 18041620009

• Binary: 10000110011010111010100011000101001₂
• Hexadecimal: 0x4335D4629
• Base-36: 8ADIJ3D

Squares and roots of 18041620009

• 18041620009 squared (18041620009²) is 325500052549149160081
• 18041620009 cubed (18041620009³) is 5872548261001280942442913660729
• The square root of 18041620009 is 134319.0977076603
• The cube root of 18041620009 is 2622.7597519767

Scales and comparisons

• 18,041,620,009 seconds is equal to 573 years, 34 weeks, 5 days, 1 hour, 6 minutes, 49 seconds.
• To count from 1 to 18,041,620,009 would take you about one thousand, one hundred forty-seven years!

  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 18041620009 cubic inches would be around 218.6 feet tall.

Recreational maths with 18041620009

• 18041620009 backwards is 90002614081
• The number of decimal digits it has is: 11
• The sum of 18041620009's digits is 31
• More coming soon!