19409

Names of 19409

• Cardinal: 19409 can be written as Nineteen thousand, four hundred nine.

Scientific notation

• Scientific notation: 1.9409 × 10⁴

Factors of 19409

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1506

Divisors of 19409

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13 1493 19409
• Sum of all divisors σ(n): 20916
• Sum of proper divisors (its aliquot sum) s(n): 1507
• 19409 is a deficient number, because the sum of its proper divisors (1507) is less than itself. Its deficiency is 17902

Bases of 19409

• Binary: 100101111010001₂
• Hexadecimal: 0x4BD1
• Base-36: EZ5

Squares and roots of 19409

• 19409 squared (19409²) is 376709281
• 19409 cubed (19409³) is 7311550434929
• The square root of 19409 is 139.3161871427
• The cube root of 19409 is 26.8741283293

Scales and comparisons

• 19,409 seconds is equal to 5 hours, 23 minutes, 29 seconds.
• To count from 1 to 19,409 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 19409 cubic inches would be around 2.2 feet tall.

Recreational maths with 19409

• 19409 backwards is 90491
• The number of decimal digits it has is: 5
• The sum of 19409's digits is 23
• More coming soon!