1399

Names of 1399

• Cardinal: 1399 can be written as One thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 1.399 × 10³

Factors of 1399

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1399

Divisors of 1399

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1399
• Sum of all divisors σ(n): 1400
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1399 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1398

Bases of 1399

• Binary: 10101110111₂
• Hexadecimal: 0x577
• Base-36: 12V

Squares and roots of 1399

• 1399 squared (1399²) is 1957201
• 1399 cubed (1399³) is 2738124199
• The square root of 1399 is 37.4032084185
• The cube root of 1399 is 11.1842252413

Scales and comparisons

• 1,399 seconds is equal to 23 minutes, 19 seconds.
• To count from 1 to 1,399 would take you about twenty-three 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 1399 cubic inches would be around 0.9 feet tall.

Recreational maths with 1399

• 1399 backwards is 9931
• The number of decimal digits it has is: 4
• The sum of 1399's digits is 22
• More coming soon!