342

342 is an even composite number composed of three prime numbers multiplied together.

What does the number 342 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

342 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 342:

2 × 3² × 19

(2 × 3 × 3 × 19)

See below for interesting mathematical facts about the number 342 from the Numbermatics database.

Names of 342

Cardinal: 342 can be written as Three hundred forty-two.

Scientific notation

Scientific notation: 3.42 × 10²

Factors of 342

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 24

Divisors of 342

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 6 9 18 19 38 57 114 171 342
Sum of all divisors σ(n): 780
Sum of proper divisors (its aliquot sum) s(n): 438
342 is an abundant number, because the sum of its proper divisors (438) is greater than itself. Its abundance is 96

Bases of 342

Binary: 101010110₂
Hexadecimal: 0x156
Base-36: 9I

Squares and roots of 342

342 squared (342²) is 116964
342 cubed (342³) is 40001688
The square root of 342 is 18.4932420089
The cube root of 342 is 6.9931906571

Scales and comparisons

How big is 342?

342 seconds is equal to 5 minutes, 42 seconds.
To count from 1 to 342 would take you about two 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 342 cubic inches would be around 0.6 feet tall.

Recreational maths with 342

342 backwards is 243
342 is a Harshad number.
The number of decimal digits it has is: 3
The sum of 342's digits is 9
More coming soon!

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The information we have on file for 342 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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