640960

640,960 is an even composite number composed of three prime numbers multiplied together.

What does the number 640960 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

640960 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 640960:

2⁶ × 5 × 2003

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 2003)

See below for interesting mathematical facts about the number 640960 from the Numbermatics database.

Names of 640960

Cardinal: 640960 can be written as Six hundred forty thousand, nine hundred sixty.

Scientific notation

Scientific notation: 6.4096 × 10⁵

Factors of 640960

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 2010

Divisors of 640960

Number of divisors d(n): 28
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 160 320 2003 4006 8012 10015 16024 20030 32048 40060 64096 80120 128192 160240 320480 640960
Sum of all divisors σ(n): 1527048
Sum of proper divisors (its aliquot sum) s(n): 886088
640960 is an abundant number, because the sum of its proper divisors (886088) is greater than itself. Its abundance is 245128

Bases of 640960

Binary: 10011100011111000000₂
Hexadecimal: 0x9C7C0
Base-36: DQKG

Squares and roots of 640960

640960 squared (640960²) is 410829721600
640960 cubed (640960³) is 263325418356736000
The square root of 640960 is 800.5997751685
The cube root of 640960 is 86.2204547685

Scales and comparisons

How big is 640960?

640,960 seconds is equal to 1 week, 10 hours, 2 minutes, 40 seconds.
To count from 1 to 640,960 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 640960 cubic inches would be around 7.2 feet tall.

Recreational maths with 640960

640960 backwards is 069046
The number of decimal digits it has is: 6
The sum of 640960's digits is 25
More coming soon!

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The information we have on file for 640960 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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