642630

642,630 is an even composite number composed of five prime numbers multiplied together.

What does the number 642630 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

642630 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 642630:

2 × 3 × 5 × 31 × 691

See below for interesting mathematical facts about the number 642630 from the Numbermatics database.

Names of 642630

Cardinal: 642630 can be written as Six hundred forty-two thousand, six hundred thirty.

Scientific notation

Scientific notation: 6.4263 × 10⁵

Factors of 642630

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 732

Divisors of 642630

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 691 930 1382 2073 3455 4146 6910 10365 20730 21421 42842 64263 107105 128526 214210 321315 642630
Sum of all divisors σ(n): 1594368
Sum of proper divisors (its aliquot sum) s(n): 951738
642630 is an abundant number, because the sum of its proper divisors (951738) is greater than itself. Its abundance is 309108

Bases of 642630

Binary: 10011100111001000110₂
Hexadecimal: 0x9CE46
Base-36: DRUU

Squares and roots of 642630

642630 squared (642630²) is 412973316900
642630 cubed (642630³) is 265389042639447000
The square root of 642630 is 801.6420647645
The cube root of 642630 is 86.2952713397

Scales and comparisons

How big is 642630?

642,630 seconds is equal to 1 week, 10 hours, 30 minutes, 30 seconds.
To count from 1 to 642,630 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 642630 cubic inches would be around 7.2 feet tall.

Recreational maths with 642630

642630 backwards is 036246
The number of decimal digits it has is: 6
The sum of 642630's digits is 21
More coming soon!

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The information we have on file for 642630 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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