1806

Names of 1806

• Cardinal: 1806 can be written as One thousand, eight hundred six.

Scientific notation

• Scientific notation: 1.806 × 10³

Factors of 1806

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 55

Divisors of 1806

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 7 14 21 42 43 86 129 258 301 602 903 1806
• Sum of all divisors σ(n): 4224
• Sum of proper divisors (its aliquot sum) s(n): 2418
• 1806 is an abundant number, because the sum of its proper divisors (2418) is greater than itself. Its abundance is 612

Bases of 1806

• Binary: 11100001110₂
• Hexadecimal: 0x70E
• Base-36: 1E6

Squares and roots of 1806

• 1806 squared (1806²) is 3261636
• 1806 cubed (1806³) is 5890514616
• The square root of 1806 is 42.4970587217
• The cube root of 1806 is 12.1779050055

Scales and comparisons

• 1,806 seconds is equal to 30 minutes, 6 seconds.
• To count from 1 to 1,806 would take you about thirty minutes.

  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 1806 cubic inches would be around 1 feet tall.

Recreational maths with 1806

• 1806 backwards is 6081
• The number of decimal digits it has is: 4
• The sum of 1806's digits is 15
• More coming soon!