642431139

642,431,139 is an odd composite number composed of four prime numbers multiplied together.

What does the number 642431139 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

642431139 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 642431139:

3 × 7 × 17 × 1799527

See below for interesting mathematical facts about the number 642431139 from the Numbermatics database.

Names of 642431139

Cardinal: 642431139 can be written as Six hundred forty-two million, four hundred thirty-one thousand, one hundred thirty-nine.

Scientific notation

Scientific notation: 6.42431139 × 10⁸

Factors of 642431139

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 1799554

Divisors of 642431139

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 17 21 51 119 357 1799527 5398581 12596689 30591959 37790067 91775877 214143713 642431139
Sum of all divisors σ(n): 1036528128
Sum of proper divisors (its aliquot sum) s(n): 394096989
642431139 is a deficient number, because the sum of its proper divisors (394096989) is less than itself. Its deficiency is 248334150

Bases of 642431139

Binary: 100110010010101011100010100011₂
Hexadecimal: 0x264AB8A3
Base-36: AMHJ1F

Squares and roots of 642431139

642431139 squared (642431139²) is 412717768356837321
642431139 cubed (642431139³) is 265142746011021158567738619
The square root of 642431139 is 25346.2253402751
The cube root of 642431139 is 862.8636910231

Scales and comparisons

How big is 642431139?

642,431,139 seconds is equal to 20 years, 22 weeks, 1 day, 13 hours, 5 minutes, 39 seconds.
To count from 1 to 642,431,139 would take you about thirty 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 642431139 cubic inches would be around 71.9 feet tall.

Recreational maths with 642431139

642431139 backwards is 931134246
The number of decimal digits it has is: 9
The sum of 642431139's digits is 33
More coming soon!

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The information we have on file for 642431139 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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