18109379

Names of 18109379

• Cardinal: 18109379 can be written as Eighteen million, one hundred nine thousand, three hundred seventy-nine.

Scientific notation

• Scientific notation: 1.8109379 × 10⁷

Factors of 18109379

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 80004

Divisors of 18109379

• Number of divisors d(n): 4
• Complete list of divisors:
  1 227 79777 18109379
• Sum of all divisors σ(n): 18189384
• Sum of proper divisors (its aliquot sum) s(n): 80005
• 18109379 is a deficient number, because the sum of its proper divisors (80005) is less than itself. Its deficiency is 18029374

Bases of 18109379

• Binary: 1000101000101001111000011₂
• Hexadecimal: 0x11453C3
• Base-36: AS5AB

Squares and roots of 18109379

• 18109379 squared (18109379²) is 327949607765641
• 18109379 cubed (18109379³) is 5938963739929336046939
• The square root of 18109379 is 4255.5116026159
• The cube root of 18109379 is 262.6039086741

Scales and comparisons

• 18,109,379 seconds is equal to 29 weeks, 6 days, 14 hours, 22 minutes, 59 seconds.
• To count from 1 to 18,109,379 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 18109379 cubic inches would be around 21.9 feet tall.

Recreational maths with 18109379

• 18109379 backwards is 97390181
• The number of decimal digits it has is: 8
• The sum of 18109379's digits is 38
• More coming soon!