19408

Names of 19408

• Cardinal: 19408 can be written as Nineteen thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.9408 × 10⁴

Factors of 19408

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1215

Divisors of 19408

• Number of divisors d(n): 10
• Complete list of divisors:
  1 2 4 8 16 1213 2426 4852 9704 19408
• Sum of all divisors σ(n): 37634
• Sum of proper divisors (its aliquot sum) s(n): 18226
• 19408 is a deficient number, because the sum of its proper divisors (18226) is less than itself. Its deficiency is 1182

Bases of 19408

• Binary: 100101111010000₂
• Hexadecimal: 0x4BD0
• Base-36: EZ4

Squares and roots of 19408

• 19408 squared (19408²) is 376670464
• 19408 cubed (19408³) is 7310420365312
• The square root of 19408 is 139.3125981381
• The cube root of 19408 is 26.8736667809

Scales and comparisons

• 19,408 seconds is equal to 5 hours, 23 minutes, 28 seconds.
• To count from 1 to 19,408 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 19408 cubic inches would be around 2.2 feet tall.

Recreational maths with 19408

• 19408 backwards is 80491
• The number of decimal digits it has is: 5
• The sum of 19408's digits is 22
• More coming soon!