19819

Names of 19819

• Cardinal: 19819 can be written as Nineteen thousand, eight hundred nineteen.

Scientific notation

• Scientific notation: 1.9819 × 10⁴

Factors of 19819

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 19819

Divisors of 19819

• Number of divisors d(n): 2
• Complete list of divisors:
  1 19819
• Sum of all divisors σ(n): 19820
• Sum of proper divisors (its aliquot sum) s(n): 1
• 19819 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 19818

Bases of 19819

• Binary: 100110101101011₂
• Hexadecimal: 0x4D6B
• Base-36: FAJ

Squares and roots of 19819

• 19819 squared (19819²) is 392792761
• 19819 cubed (19819³) is 7784759730259
• The square root of 19819 is 140.7799701663
• The cube root of 19819 is 27.0620429655

Scales and comparisons

• 19,819 seconds is equal to 5 hours, 30 minutes, 19 seconds.
• To count from 1 to 19,819 would take you about five hours.

  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 19819 cubic inches would be around 2.3 feet tall.

Recreational maths with 19819

• 19819 backwards is 91891
• The number of decimal digits it has is: 5
• The sum of 19819's digits is 28
• More coming soon!