340

Names of 340

• Cardinal: 340 can be written as Three hundred forty.

Scientific notation

• Scientific notation: 3.4 × 10²

Factors of 340

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 24

Divisors of 340

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 5 10 17 20 34 68 85 170 340
• Sum of all divisors σ(n): 756
• Sum of proper divisors (its aliquot sum) s(n): 416
• 340 is an abundant number, because the sum of its proper divisors (416) is greater than itself. Its abundance is 76

Bases of 340

• Binary: 101010100₂
• Hexadecimal: 0x154
• Base-36: 9G

Squares and roots of 340

• 340 squared (340²) is 115600
• 340 cubed (340³) is 39304000
• The square root of 340 is 18.4390889145
• The cube root of 340 is 6.9795320469

Scales and comparisons

• 340 seconds is equal to 5 minutes, 40 seconds.
• To count from 1 to 340 would take you about two 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 340 cubic inches would be around 0.6 feet tall.

Recreational maths with 340

• 340 backwards is 043
• The number of decimal digits it has is: 3
• The sum of 340's digits is 7
• More coming soon!