387920

387,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 387920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

387920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 387920:

2⁴ × 5 × 13 × 373

(2 × 2 × 2 × 2 × 5 × 13 × 373)

See below for interesting mathematical facts about the number 387920 from the Numbermatics database.

Names of 387920

Cardinal: 387920 can be written as Three hundred eighty-seven thousand, nine hundred twenty.

Scientific notation

Scientific notation: 3.8792 × 10⁵

Factors of 387920

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 393

Divisors of 387920

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 373 520 746 1040 1492 1865 2984 3730 4849 5968 7460 9698 14920 19396 24245 29840 38792 48490 77584 96980 193960 387920
Sum of all divisors σ(n): 973896
Sum of proper divisors (its aliquot sum) s(n): 585976
387920 is an abundant number, because the sum of its proper divisors (585976) is greater than itself. Its abundance is 198056

Bases of 387920

Binary: 1011110101101010000₂
Hexadecimal: 0x5EB50
Base-36: 8BBK

Squares and roots of 387920

387920 squared (387920²) is 150481926400
387920 cubed (387920³) is 58374948889088000
The square root of 387920 is 622.8322406555
The cube root of 387920 is 72.9313171469

Scales and comparisons

How big is 387920?

387,920 seconds is equal to 4 days, 11 hours, 45 minutes, 20 seconds.
To count from 1 to 387,920 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 387920 cubic inches would be around 6.1 feet tall.

Recreational maths with 387920

387920 backwards is 029783
The number of decimal digits it has is: 6
The sum of 387920's digits is 29
More coming soon!

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The information we have on file for 387920 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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