642172

642,172 is an even composite number composed of three prime numbers multiplied together.

What does the number 642172 look like?

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

642172 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 642172:

2² × 37 × 4339

(2 × 2 × 37 × 4339)

See below for interesting mathematical facts about the number 642172 from the Numbermatics database.

Names of 642172

Cardinal: 642172 can be written as Six hundred forty-two thousand, one hundred seventy-two.

Scientific notation

Scientific notation: 6.42172 × 10⁵

Factors of 642172

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 4378

Divisors of 642172

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 37 74 148 4339 8678 17356 160543 321086 642172
Sum of all divisors σ(n): 1154440
Sum of proper divisors (its aliquot sum) s(n): 512268
642172 is a deficient number, because the sum of its proper divisors (512268) is less than itself. Its deficiency is 129904

Bases of 642172

Binary: 10011100110001111100₂
Hexadecimal: 0x9CC7C
Base-36: DRI4

Squares and roots of 642172

642172 squared (642172²) is 412384877584
642172 cubed (642172³) is 264822021607872448
The square root of 642172 is 801.3563501963
The cube root of 642172 is 86.2747656949

Scales and comparisons

How big is 642172?

642,172 seconds is equal to 1 week, 10 hours, 22 minutes, 52 seconds.
To count from 1 to 642,172 would take you about ten hours!

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 642172 cubic inches would be around 7.2 feet tall.

Recreational maths with 642172

642172 backwards is 271246
The number of decimal digits it has is: 6
The sum of 642172's digits is 22
More coming soon!

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The information we have on file for 642172 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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