18009641

Names of 18009641

• Cardinal: 18009641 can be written as Eighteen million, nine thousand, six hundred forty-one.

Scientific notation

• Scientific notation: 1.8009641 × 10⁷

Factors of 18009641

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2395

Divisors of 18009641

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 1009 1373 13117 17849 1385357 18009641
• Sum of all divisors σ(n): 19428360
• Sum of proper divisors (its aliquot sum) s(n): 1418719
• 18009641 is a deficient number, because the sum of its proper divisors (1418719) is less than itself. Its deficiency is 16590922

Bases of 18009641

• Binary: 1000100101100111000101001₂
• Hexadecimal: 0x112CE29
• Base-36: AQ0BT

Squares and roots of 18009641

• 18009641 squared (18009641²) is 324347168948881
• 18009641 cubed (18009641³) is 5841376072135694161721
• The square root of 18009641 is 4243.7767377655
• The cube root of 18009641 is 262.1209210099

Scales and comparisons

• 18,009,641 seconds is equal to 29 weeks, 5 days, 10 hours, 40 minutes, 41 seconds.
• To count from 1 to 18,009,641 would take you about forty-four 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 18009641 cubic inches would be around 21.8 feet tall.

Recreational maths with 18009641

• 18009641 backwards is 14690081
• The number of decimal digits it has is: 8
• The sum of 18009641's digits is 29
• More coming soon!