748

Names of 748

• Cardinal: 748 can be written as Seven hundred forty-eight.

Scientific notation

• Scientific notation: 7.48 × 10²

Factors of 748

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 30

Divisors of 748

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 11 17 22 34 44 68 187 374 748
• Sum of all divisors σ(n): 1512
• Sum of proper divisors (its aliquot sum) s(n): 764
• 748 is an abundant number, because the sum of its proper divisors (764) is greater than itself. Its abundance is 16

Bases of 748

• Binary: 1011101100₂
• Hexadecimal: 0x2EC
• Base-36: KS

Squares and roots of 748

• 748 squared (748²) is 559504
• 748 cubed (748³) is 418508992
• The square root of 748 is 27.3495886625
• The cube root of 748 is 9.0775196831

Scales and comparisons

• 748 seconds is equal to 12 minutes, 28 seconds.
• To count from 1 to 748 would take you about six 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 748 cubic inches would be around 0.8 feet tall.

Recreational maths with 748

• 748 backwards is 847
• The number of decimal digits it has is: 3
• The sum of 748's digits is 19
• More coming soon!