642009

642,009 is an odd composite number composed of two prime numbers multiplied together.

What does the number 642009 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

642009 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 642009:

3 × 214003

See below for interesting mathematical facts about the number 642009 from the Numbermatics database.

Names of 642009

Cardinal: 642009 can be written as Six hundred forty-two thousand and nine.

Scientific notation

Scientific notation: 6.42009 × 10⁵

Factors of 642009

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 214006

Divisors of 642009

Number of divisors d(n): 4
Complete list of divisors:
1 3 214003 642009
Sum of all divisors σ(n): 856016
Sum of proper divisors (its aliquot sum) s(n): 214007
642009 is a deficient number, because the sum of its proper divisors (214007) is less than itself. Its deficiency is 428002

Bases of 642009

Binary: 10011100101111011001₂
Hexadecimal: 0x9CBD9
Base-36: DRDL

Squares and roots of 642009

642009 squared (642009²) is 412175556081
642009 cubed (642009³) is 264620416584006729
The square root of 642009 is 801.2546411723
The cube root of 642009 is 86.2674654821

Scales and comparisons

How big is 642009?

642,009 seconds is equal to 1 week, 10 hours, 20 minutes, 9 seconds.
To count from 1 to 642,009 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 642009 cubic inches would be around 7.2 feet tall.

Recreational maths with 642009

642009 backwards is 900246
The number of decimal digits it has is: 6
The sum of 642009's digits is 21
More coming soon!

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The information we have on file for 642009 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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