397640

397,640 is an even composite number composed of three prime numbers multiplied together.

What does the number 397640 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

397640 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 397640:

2³ × 5 × 9941

(2 × 2 × 2 × 5 × 9941)

See below for interesting mathematical facts about the number 397640 from the Numbermatics database.

Names of 397640

Cardinal: 397640 can be written as Three hundred ninety-seven thousand, six hundred forty.

Scientific notation

Scientific notation: 3.9764 × 10⁵

Factors of 397640

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 9948

Divisors of 397640

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 9941 19882 39764 49705 79528 99410 198820 397640
Sum of all divisors σ(n): 894780
Sum of proper divisors (its aliquot sum) s(n): 497140
397640 is an abundant number, because the sum of its proper divisors (497140) is greater than itself. Its abundance is 99500

Bases of 397640

Binary: 1100001000101001000₂
Hexadecimal: 0x61148
Base-36: 8ITK

Squares and roots of 397640

397640 squared (397640²) is 158117569600
397640 cubed (397640³) is 62873870375744000
The square root of 397640 is 630.5870280937
The cube root of 397640 is 73.5354388157

Scales and comparisons

How big is 397640?

397,640 seconds is equal to 4 days, 14 hours, 27 minutes, 20 seconds.
To count from 1 to 397,640 would take you about four days.

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 397640 cubic inches would be around 6.1 feet tall.

Recreational maths with 397640

397640 backwards is 046793
The number of decimal digits it has is: 6
The sum of 397640's digits is 29
More coming soon!

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The information we have on file for 397640 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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