2142

Names of 2142

• Cardinal: 2142 can be written as Two thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.142 × 10³

Factors of 2142

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 29

Divisors of 2142

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142
• Sum of all divisors σ(n): 5616
• Sum of proper divisors (its aliquot sum) s(n): 3474
• 2142 is an abundant number, because the sum of its proper divisors (3474) is greater than itself. Its abundance is 1332

Bases of 2142

• Binary: 100001011110₂
• Hexadecimal: 0x85E
• Base-36: 1NI

Squares and roots of 2142

• 2142 squared (2142²) is 4588164
• 2142 cubed (2142³) is 9827847288
• The square root of 2142 is 46.2817458617
• The cube root of 2142 is 12.8906006889

Scales and comparisons

• 2,142 seconds is equal to 35 minutes, 42 seconds.
• To count from 1 to 2,142 would take you about thirty-five 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 2142 cubic inches would be around 1.1 feet tall.

Recreational maths with 2142

• 2142 backwards is 2412
• 2142 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 2142's digits is 9
• More coming soon!