628640

628,640 is an even composite number composed of three prime numbers multiplied together.

What does the number 628640 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

628640 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 628640:

2⁵ × 5 × 3929

(2 × 2 × 2 × 2 × 2 × 5 × 3929)

See below for interesting mathematical facts about the number 628640 from the Numbermatics database.

Names of 628640

Cardinal: 628640 can be written as Six hundred twenty-eight thousand, six hundred forty.

Scientific notation

Scientific notation: 6.2864 × 10⁵

Factors of 628640

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 3936

Divisors of 628640

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 80 160 3929 7858 15716 19645 31432 39290 62864 78580 125728 157160 314320 628640
Sum of all divisors σ(n): 1485540
Sum of proper divisors (its aliquot sum) s(n): 856900
628640 is an abundant number, because the sum of its proper divisors (856900) is greater than itself. Its abundance is 228260

Bases of 628640

Binary: 10011001011110100000₂
Hexadecimal: 0x997A0
Base-36: DH28

Squares and roots of 628640

628640 squared (628640²) is 395188249600
628640 cubed (628640³) is 248431141228544000
The square root of 628640 is 792.8682109909
The cube root of 628640 is 85.6644578119

Scales and comparisons

How big is 628640?

628,640 seconds is equal to 1 week, 6 hours, 37 minutes, 20 seconds.
To count from 1 to 628,640 would take you about six 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 628640 cubic inches would be around 7.1 feet tall.

Recreational maths with 628640

628640 backwards is 046826
The number of decimal digits it has is: 6
The sum of 628640's digits is 26
More coming soon!

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The information we have on file for 628640 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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