142129939

142,129,939 is an odd composite number composed of three prime numbers multiplied together.

What does the number 142129939 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

142129939 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 142129939:

7³ × 61 × 6793

(7 × 7 × 7 × 61 × 6793)

See below for interesting mathematical facts about the number 142129939 from the Numbermatics database.

Names of 142129939

Cardinal: 142129939 can be written as One hundred forty-two million, one hundred twenty-nine thousand, nine hundred thirty-nine.

Scientific notation

Scientific notation: 1.42129939 × 10⁸

Factors of 142129939

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 6861

Divisors of 142129939

Number of divisors d(n): 16
Complete list of divisors:
1 7 49 61 343 427 2989 6793 20923 47551 332857 414373 2329999 2900611 20304277 142129939
Sum of all divisors σ(n): 168491200
Sum of proper divisors (its aliquot sum) s(n): 26361261
142129939 is a deficient number, because the sum of its proper divisors (26361261) is less than itself. Its deficiency is 115768678

Bases of 142129939

Binary: 1000011110001011101100010011₂
Hexadecimal: 0x878BB13
Base-36: 2CMC5V

Squares and roots of 142129939

142129939 squared (142129939²) is 20200919560143721
142129939 cubed (142129939³) is 2871155464827133896963019
The square root of 142129939 is 11921.8261604505
The cube root of 142129939 is 521.8694287907

Scales and comparisons

How big is 142129939?

142,129,939 seconds is equal to 4 years, 27 weeks, 32 minutes, 19 seconds.
To count from 1 to 142,129,939 would take you about six years!

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 142129939 cubic inches would be around 43.5 feet tall.

Recreational maths with 142129939

142129939 backwards is 939921241
The number of decimal digits it has is: 9
The sum of 142129939's digits is 40
More coming soon!

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The information we have on file for 142129939 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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