664220

664,220 is an even composite number composed of three prime numbers multiplied together.

What does the number 664220 look like?

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

664220 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 664220:

2² × 5 × 33211

(2 × 2 × 5 × 33211)

See below for interesting mathematical facts about the number 664220 from the Numbermatics database.

Names of 664220

Cardinal: 664220 can be written as Six hundred sixty-four thousand, two hundred twenty.

Scientific notation

Scientific notation: 6.6422 × 10⁵

Factors of 664220

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 33218

Divisors of 664220

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 33211 66422 132844 166055 332110 664220
Sum of all divisors σ(n): 1394904
Sum of proper divisors (its aliquot sum) s(n): 730684
664220 is an abundant number, because the sum of its proper divisors (730684) is greater than itself. Its abundance is 66464

Bases of 664220

Binary: 10100010001010011100₂
Hexadecimal: 0xA229C
Base-36: E8IK

Squares and roots of 664220

664220 squared (664220²) is 441188208400
664220 cubed (664220³) is 293046031783448000
The square root of 664220 is 814.9969325095
The cube root of 664220 is 87.2510474611

Scales and comparisons

How big is 664220?

664,220 seconds is equal to 1 week, 16 hours, 30 minutes, 20 seconds.
To count from 1 to 664,220 would take you about sixteen 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 664220 cubic inches would be around 7.3 feet tall.

Recreational maths with 664220

664220 backwards is 022466
664220 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 664220's digits is 20
More coming soon!

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The information we have on file for 664220 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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