19898

Names of 19898

• Cardinal: 19898 can be written as Nineteen thousand, eight hundred ninety-eight.

Scientific notation

• Scientific notation: 1.9898 × 10⁴

Factors of 19898

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 9951

Divisors of 19898

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 9949 19898
• Sum of all divisors σ(n): 29850
• Sum of proper divisors (its aliquot sum) s(n): 9952
• 19898 is a deficient number, because the sum of its proper divisors (9952) is less than itself. Its deficiency is 9946

Bases of 19898

• Binary: 100110110111010₂
• Hexadecimal: 0x4DBA
• Base-36: FCQ

Squares and roots of 19898

• 19898 squared (19898²) is 395930404
• 19898 cubed (19898³) is 7878223178792
• The square root of 19898 is 141.0602708065
• The cube root of 19898 is 27.0979523967

Scales and comparisons

• 19,898 seconds is equal to 5 hours, 31 minutes, 38 seconds.
• To count from 1 to 19,898 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 19898 cubic inches would be around 2.3 feet tall.

Recreational maths with 19898

• 19898 backwards is 89891
• The number of decimal digits it has is: 5
• The sum of 19898's digits is 35
• More coming soon!