18018194

Names of 18018194

• Cardinal: 18018194 can be written as Eighteen million, eighteen thousand, one hundred ninety-four.

Scientific notation

• Scientific notation: 1.8018194 × 10⁷

Factors of 18018194

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 474184

Divisors of 18018194

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 19 38 474163 948326 9009097 18018194
• Sum of all divisors σ(n): 28449840
• Sum of proper divisors (its aliquot sum) s(n): 10431646
• 18018194 is a deficient number, because the sum of its proper divisors (10431646) is less than itself. Its deficiency is 7586548

Bases of 18018194

• Binary: 1000100101110111110010010₂
• Hexadecimal: 0x112EF92
• Base-36: AQ6XE

Squares and roots of 18018194

• 18018194 squared (18018194²) is 324655315021636
• 18018194 cubed (18018194³) is 5849702449190951645384
• The square root of 18018194 is 4244.7843290327
• The cube root of 18018194 is 262.1624092593

Scales and comparisons

• 18,018,194 seconds is equal to 29 weeks, 5 days, 13 hours, 3 minutes, 14 seconds.
• To count from 1 to 18,018,194 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 18018194 cubic inches would be around 21.8 feet tall.

Recreational maths with 18018194

• 18018194 backwards is 49181081
• The number of decimal digits it has is: 8
• The sum of 18018194's digits is 32
• More coming soon!