248

Names of 248

• Cardinal: 248 can be written as Two hundred forty-eight.

Scientific notation

• Scientific notation: 2.48 × 10²

Factors of 248

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 33

Divisors of 248

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 31 62 124 248
• Sum of all divisors σ(n): 480
• Sum of proper divisors (its aliquot sum) s(n): 232
• 248 is a deficient number, because the sum of its proper divisors (232) is less than itself. Its deficiency is 16

Bases of 248

• Binary: 11111000₂
• Hexadecimal: 0xF8
• Base-36: 6W

Squares and roots of 248

• 248 squared (248²) is 61504
• 248 cubed (248³) is 15252992
• The square root of 248 is 15.7480157481
• The cube root of 248 is 6.2827613047

Scales and comparisons

• 248 seconds is equal to 4 minutes, 8 seconds.
• To count from 1 to 248 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 248 cubic inches would be around 0.5 feet tall.

Recreational maths with 248

• 248 backwards is 842
• The number of decimal digits it has is: 3
• The sum of 248's digits is 14
• More coming soon!