18196109

Names of 18196109

• Cardinal: 18196109 can be written as Eighteen million, one hundred ninety-six thousand, one hundred nine.

Scientific notation

• Scientific notation: 1.8196109 × 10⁷

Factors of 18196109

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18196109

Divisors of 18196109

• Number of divisors d(n): 2
• Complete list of divisors:
  1 18196109
• Sum of all divisors σ(n): 18196110
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18196109 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18196108

Bases of 18196109

• Binary: 1000101011010011010001101₂
• Hexadecimal: 0x115A68D
• Base-36: AU07H

Squares and roots of 18196109

• 18196109 squared (18196109²) is 331098382739881
• 18196109 cubed (18196109³) is 6024702262058593323029
• The square root of 18196109 is 4265.6897449299
• The cube root of 18196109 is 263.0224647931

Scales and comparisons

• 18,196,109 seconds is equal to 30 weeks, 14 hours, 28 minutes, 29 seconds.
• To count from 1 to 18,196,109 would take you about forty-five 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 18196109 cubic inches would be around 21.9 feet tall.

Recreational maths with 18196109

• 18196109 backwards is 90169181
• The number of decimal digits it has is: 8
• The sum of 18196109's digits is 35
• More coming soon!