18499189

Names of 18499189

• Cardinal: 18499189 can be written as Eighteen million, four hundred ninety-nine thousand, one hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8499189 × 10⁷

Factors of 18499189

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 11210

Divisors of 18499189

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2011 9199 18499189
• Sum of all divisors σ(n): 18510400
• Sum of proper divisors (its aliquot sum) s(n): 11211
• 18499189 is a deficient number, because the sum of its proper divisors (11211) is less than itself. Its deficiency is 18487978

Bases of 18499189

• Binary: 1000110100100011001110101₂
• Hexadecimal: 0x11A4675
• Base-36: B0I2D

Squares and roots of 18499189

• 18499189 squared (18499189²) is 342219993657721
• 18499189 cubed (18499189³) is 6330792342252982088269
• The square root of 18499189 is 4301.0683556529
• The cube root of 18499189 is 264.4747588545

Scales and comparisons

• 18,499,189 seconds is equal to 30 weeks, 4 days, 2 hours, 39 minutes, 49 seconds.
• To count from 1 to 18,499,189 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 18499189 cubic inches would be around 22 feet tall.

Recreational maths with 18499189

• 18499189 backwards is 98199481
• The number of decimal digits it has is: 8
• The sum of 18499189's digits is 49
• More coming soon!