18842

Names of 18842

• Cardinal: 18842 can be written as Eighteen thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.8842 × 10⁴

Factors of 18842

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 9423

Divisors of 18842

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 9421 18842
• Sum of all divisors σ(n): 28266
• Sum of proper divisors (its aliquot sum) s(n): 9424
• 18842 is a deficient number, because the sum of its proper divisors (9424) is less than itself. Its deficiency is 9418

Bases of 18842

• Binary: 100100110011010₂
• Hexadecimal: 0x499A
• Base-36: EJE

Squares and roots of 18842

• 18842 squared (18842²) is 355020964
• 18842 cubed (18842³) is 6689305003688
• The square root of 18842 is 137.2661648041
• The cube root of 18842 is 26.6098442845

Scales and comparisons

• 18,842 seconds is equal to 5 hours, 14 minutes, 2 seconds.
• To count from 1 to 18,842 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 18842 cubic inches would be around 2.2 feet tall.

Recreational maths with 18842

• 18842 backwards is 24881
• The number of decimal digits it has is: 5
• The sum of 18842's digits is 23
• More coming soon!