642475

642,475 is an odd composite number composed of three prime numbers multiplied together.

What does the number 642475 look like?

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

642475 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 642475:

5² × 31 × 829

(5 × 5 × 31 × 829)

See below for interesting mathematical facts about the number 642475 from the Numbermatics database.

Names of 642475

Cardinal: 642475 can be written as Six hundred forty-two thousand, four hundred seventy-five.

Scientific notation

Scientific notation: 6.42475 × 10⁵

Factors of 642475

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 865

Divisors of 642475

Number of divisors d(n): 12
Complete list of divisors:
1 5 25 31 155 775 829 4145 20725 25699 128495 642475
Sum of all divisors σ(n): 823360
Sum of proper divisors (its aliquot sum) s(n): 180885
642475 is a deficient number, because the sum of its proper divisors (180885) is less than itself. Its deficiency is 461590

Bases of 642475

Binary: 10011100110110101011₂
Hexadecimal: 0x9CDAB
Base-36: DRQJ

Squares and roots of 642475

642475 squared (642475²) is 412774125625
642475 cubed (642475³) is 265197056360921875
The square root of 642475 is 801.5453823709
The cube root of 642475 is 86.2883327475

Scales and comparisons

How big is 642475?

642,475 seconds is equal to 1 week, 10 hours, 27 minutes, 55 seconds.
To count from 1 to 642,475 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 642475 cubic inches would be around 7.2 feet tall.

Recreational maths with 642475

642475 backwards is 574246
The number of decimal digits it has is: 6
The sum of 642475's digits is 28
More coming soon!

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The information we have on file for 642475 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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