18419

Names of 18419

• Cardinal: 18419 can be written as Eighteen thousand, four hundred nineteen.

Scientific notation

• Scientific notation: 1.8419 × 10⁴

Factors of 18419

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 276

Divisors of 18419

• Number of divisors d(n): 4
• Complete list of divisors:
  1 113 163 18419
• Sum of all divisors σ(n): 18696
• Sum of proper divisors (its aliquot sum) s(n): 277
• 18419 is a deficient number, because the sum of its proper divisors (277) is less than itself. Its deficiency is 18142

Bases of 18419

• Binary: 100011111110011₂
• Hexadecimal: 0x47F3
• Base-36: E7N

Squares and roots of 18419

• 18419 squared (18419²) is 339259561
• 18419 cubed (18419³) is 6248821854059
• The square root of 18419 is 135.7166165213
• The cube root of 18419 is 26.4092063087

Scales and comparisons

• 18,419 seconds is equal to 5 hours, 6 minutes, 59 seconds.
• To count from 1 to 18,419 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 18419 cubic inches would be around 2.2 feet tall.

Recreational maths with 18419

• 18419 backwards is 91481
• The number of decimal digits it has is: 5
• The sum of 18419's digits is 23
• More coming soon!