8142

Names of 8142

• Cardinal: 8142 can be written as Eight thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 8.142 × 10³

Factors of 8142

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 87

Divisors of 8142

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 23 46 59 69 118 138 177 354 1357 2714 4071 8142
• Sum of all divisors σ(n): 17280
• Sum of proper divisors (its aliquot sum) s(n): 9138
• 8142 is an abundant number, because the sum of its proper divisors (9138) is greater than itself. Its abundance is 996

Bases of 8142

• Binary: 1111111001110₂
• Hexadecimal: 0x1FCE
• Base-36: 6A6

Squares and roots of 8142

• 8142 squared (8142²) is 66292164
• 8142 cubed (8142³) is 539750799288
• The square root of 8142 is 90.2330316459
• The cube root of 8142 is 20.1176400179

Scales and comparisons

• 8,142 seconds is equal to 2 hours, 15 minutes, 42 seconds.
• To count from 1 to 8,142 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 8142 cubic inches would be around 1.7 feet tall.

Recreational maths with 8142

• 8142 backwards is 2418
• The number of decimal digits it has is: 4
• The sum of 8142's digits is 15
• More coming soon!