7994

Names of 7994

• Cardinal: 7994 can be written as Seven thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 7.994 × 10³

Factors of 7994

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 580

Divisors of 7994

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 571 1142 3997 7994
• Sum of all divisors σ(n): 13728
• Sum of proper divisors (its aliquot sum) s(n): 5734
• 7994 is a deficient number, because the sum of its proper divisors (5734) is less than itself. Its deficiency is 2260

Bases of 7994

• Binary: 1111100111010₂
• Hexadecimal: 0x1F3A
• Base-36: 662

Squares and roots of 7994

• 7994 squared (7994²) is 63904036
• 7994 cubed (7994³) is 510848863784
• The square root of 7994 is 89.4091717891
• The cube root of 7994 is 19.9949987493

Scales and comparisons

• 7,994 seconds is equal to 2 hours, 13 minutes, 14 seconds.
• To count from 1 to 7,994 would take you about two hours.

  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 7994 cubic inches would be around 1.7 feet tall.

Recreational maths with 7994

• 7994 backwards is 4997
• The number of decimal digits it has is: 4
• The sum of 7994's digits is 29
• More coming soon!