19390

Names of 19390

• Cardinal: 19390 can be written as Nineteen thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.939 × 10⁴

Factors of 19390

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 291

Divisors of 19390

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 7 10 14 35 70 277 554 1385 1939 2770 3878 9695 19390
• Sum of all divisors σ(n): 40032
• Sum of proper divisors (its aliquot sum) s(n): 20642
• 19390 is an abundant number, because the sum of its proper divisors (20642) is greater than itself. Its abundance is 1252

Bases of 19390

• Binary: 100101110111110₂
• Hexadecimal: 0x4BBE
• Base-36: EYM

Squares and roots of 19390

• 19390 squared (19390²) is 375972100
• 19390 cubed (19390³) is 7290099019000
• The square root of 19390 is 139.2479802363
• The cube root of 19390 is 26.8653561937

Scales and comparisons

• 19,390 seconds is equal to 5 hours, 23 minutes, 10 seconds.
• To count from 1 to 19,390 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 19390 cubic inches would be around 2.2 feet tall.

Recreational maths with 19390

• 19390 backwards is 09391
• The number of decimal digits it has is: 5
• The sum of 19390's digits is 22
• More coming soon!