640772

640,772 is an even composite number composed of three prime numbers multiplied together.

What does the number 640772 look like?

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

640772 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 640772:

2² × 11 × 14563

(2 × 2 × 11 × 14563)

See below for interesting mathematical facts about the number 640772 from the Numbermatics database.

Names of 640772

Cardinal: 640772 can be written as Six hundred forty thousand, seven hundred seventy-two.

Scientific notation

Scientific notation: 6.40772 × 10⁵

Factors of 640772

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 14576

Divisors of 640772

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 11 22 44 14563 29126 58252 160193 320386 640772
Sum of all divisors σ(n): 1223376
Sum of proper divisors (its aliquot sum) s(n): 582604
640772 is a deficient number, because the sum of its proper divisors (582604) is less than itself. Its deficiency is 58168

Bases of 640772

Binary: 10011100011100000100₂
Hexadecimal: 0x9C704
Base-36: DQF8

Squares and roots of 640772

640772 squared (640772²) is 410588755984
640772 cubed (640772³) is 263093778349379648
The square root of 640772 is 800.4823545837
The cube root of 640772 is 86.2120241695

Scales and comparisons

How big is 640772?

640,772 seconds is equal to 1 week, 9 hours, 59 minutes, 32 seconds.
To count from 1 to 640,772 would take you about nine 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 640772 cubic inches would be around 7.2 feet tall.

Recreational maths with 640772

640772 backwards is 277046
The number of decimal digits it has is: 6
The sum of 640772's digits is 26
More coming soon!

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The information we have on file for 640772 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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