1807

Names of 1807

• Cardinal: 1807 can be written as One thousand, eight hundred seven.

Scientific notation

• Scientific notation: 1.807 × 10³

Factors of 1807

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 152

Divisors of 1807

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13 139 1807
• Sum of all divisors σ(n): 1960
• Sum of proper divisors (its aliquot sum) s(n): 153
• 1807 is a deficient number, because the sum of its proper divisors (153) is less than itself. Its deficiency is 1654

Bases of 1807

• Binary: 11100001111₂
• Hexadecimal: 0x70F
• Base-36: 1E7

Squares and roots of 1807

• 1807 squared (1807²) is 3265249
• 1807 cubed (1807³) is 5900304943
• The square root of 1807 is 42.5088226137
• The cube root of 1807 is 12.1801522661

Scales and comparisons

• 1,807 seconds is equal to 30 minutes, 7 seconds.
• To count from 1 to 1,807 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 1807 cubic inches would be around 1 feet tall.

Recreational maths with 1807

• 1807 backwards is 7081
• The number of decimal digits it has is: 4
• The sum of 1807's digits is 16
• More coming soon!