386

Names of 386

• Cardinal: 386 can be written as Three hundred eighty-six.

Scientific notation

• Scientific notation: 3.86 × 10²

Factors of 386

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 195

Divisors of 386

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 193 386
• Sum of all divisors σ(n): 582
• Sum of proper divisors (its aliquot sum) s(n): 196
• 386 is a deficient number, because the sum of its proper divisors (196) is less than itself. Its deficiency is 190

Bases of 386

• Binary: 110000010₂
• Hexadecimal: 0x182
• Base-36: AQ

Squares and roots of 386

• 386 squared (386²) is 148996
• 386 cubed (386³) is 57512456
• The square root of 386 is 19.6468827043
• The cube root of 386 is 7.2810794197

Scales and comparisons

• 386 seconds is equal to 6 minutes, 26 seconds.
• To count from 1 to 386 would take you about 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 386 cubic inches would be around 0.6 feet tall.

Recreational maths with 386

• 386 backwards is 683
• The number of decimal digits it has is: 3
• The sum of 386's digits is 17
• More coming soon!