309142

309,142 is an even composite number composed of two prime numbers multiplied together.

What does the number 309142 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

309142 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 309142:

2 × 154571

See below for interesting mathematical facts about the number 309142 from the Numbermatics database.

Names of 309142

Cardinal: 309142 can be written as Three hundred nine thousand, one hundred forty-two.

Scientific notation

Scientific notation: 3.09142 × 10⁵

Factors of 309142

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 154573

Divisors of 309142

Number of divisors d(n): 4
Complete list of divisors:
1 2 154571 309142
Sum of all divisors σ(n): 463716
Sum of proper divisors (its aliquot sum) s(n): 154574
309142 is a deficient number, because the sum of its proper divisors (154574) is less than itself. Its deficiency is 154568

Bases of 309142

Binary: 1001011011110010110₂
Hexadecimal: 0x4B796
Base-36: 6MJA

Squares and roots of 309142

309142 squared (309142²) is 95568776164
309142 cubed (309142³) is 29544322600891288
The square root of 309142 is 556.0053956573
The cube root of 309142 is 67.6164974965

Scales and comparisons

How big is 309142?

309,142 seconds is equal to 3 days, 13 hours, 52 minutes, 22 seconds.
To count from 1 to 309,142 would take you about three days.

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 309142 cubic inches would be around 5.6 feet tall.

Recreational maths with 309142

309142 backwards is 241903
The number of decimal digits it has is: 6
The sum of 309142's digits is 19
More coming soon!

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The information we have on file for 309142 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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