643328

643,328 is an even composite number composed of three prime numbers multiplied together.

What does the number 643328 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

643328 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 643328:

2⁸ × 7 × 359

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 359)

See below for interesting mathematical facts about the number 643328 from the Numbermatics database.

Names of 643328

Cardinal: 643328 can be written as Six hundred forty-three thousand, three hundred twenty-eight.

Scientific notation

Scientific notation: 6.43328 × 10⁵

Factors of 643328

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 10
Sum of prime factors: 368

Divisors of 643328

Number of divisors d(n): 36
Complete list of divisors:
1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 359 448 718 896 1436 1792 2513 2872 5026 5744 10052 11488 20104 22976 40208 45952 80416 91904 160832 321664 643328
Sum of all divisors σ(n): 1471680
Sum of proper divisors (its aliquot sum) s(n): 828352
643328 is an abundant number, because the sum of its proper divisors (828352) is greater than itself. Its abundance is 185024

Bases of 643328

Binary: 10011101000100000000₂
Hexadecimal: 0x9D100
Base-36: DSE8

Squares and roots of 643328

643328 squared (643328²) is 413870915584
643328 cubed (643328³) is 266254748380823552
The square root of 643328 is 802.0773030077
The cube root of 643328 is 86.3265035701

Scales and comparisons

How big is 643328?

643,328 seconds is equal to 1 week, 10 hours, 42 minutes, 8 seconds.
To count from 1 to 643,328 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 643328 cubic inches would be around 7.2 feet tall.

Recreational maths with 643328

643328 backwards is 823346
The number of decimal digits it has is: 6
The sum of 643328's digits is 26
More coming soon!

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The information we have on file for 643328 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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