9942

Names of 9942

• Cardinal: 9942 can be written as Nine thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 9.942 × 10³

Factors of 9942

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1662

Divisors of 9942

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 1657 3314 4971 9942
• Sum of all divisors σ(n): 19896
• Sum of proper divisors (its aliquot sum) s(n): 9954
• 9942 is an abundant number, because the sum of its proper divisors (9954) is greater than itself. Its abundance is 12

Bases of 9942

• Binary: 10011011010110₂
• Hexadecimal: 0x26D6
• Base-36: 7O6

Squares and roots of 9942

• 9942 squared (9942²) is 98843364
• 9942 cubed (9942³) is 982700724888
• The square root of 9942 is 99.7095782761
• The cube root of 9942 is 21.5026137079

Scales and comparisons

• 9,942 seconds is equal to 2 hours, 45 minutes, 42 seconds.
• To count from 1 to 9,942 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 9942 cubic inches would be around 1.8 feet tall.

Recreational maths with 9942

• 9942 backwards is 2499
• The number of decimal digits it has is: 4
• The sum of 9942's digits is 24
• More coming soon!