387855

387,855 is an odd composite number composed of four prime numbers multiplied together.

What does the number 387855 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

387855 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 387855:

3³ × 5 × 13² × 17

(3 × 3 × 3 × 5 × 13 × 13 × 17)

See below for interesting mathematical facts about the number 387855 from the Numbermatics database.

Names of 387855

Cardinal: 387855 can be written as Three hundred eighty-seven thousand, eight hundred fifty-five.

Scientific notation

Scientific notation: 3.87855 × 10⁵

Factors of 387855

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 38

Divisors of 387855

Number of divisors d(n): 48
Complete list of divisors:
1 3 5 9 13 15 17 27 39 45 51 65 85 117 135 153 169 195 221 255 351 459 507 585 663 765 845 1105 1521 1755 1989 2295 2535 2873 3315 4563 5967 7605 8619 9945 14365 22815 25857 29835 43095 77571 129285 387855
Sum of all divisors σ(n): 790560
Sum of proper divisors (its aliquot sum) s(n): 402705
387855 is an abundant number, because the sum of its proper divisors (402705) is greater than itself. Its abundance is 14850

Bases of 387855

Binary: 1011110101100001111₂
Hexadecimal: 0x5EB0F
Base-36: 8B9R

Squares and roots of 387855

387855 squared (387855²) is 150431501025
387855 cubed (387855³) is 58345609830051375
The square root of 387855 is 622.7800574841
The cube root of 387855 is 72.9272434543

Scales and comparisons

How big is 387855?

387,855 seconds is equal to 4 days, 11 hours, 44 minutes, 15 seconds.
To count from 1 to 387,855 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 387855 cubic inches would be around 6.1 feet tall.

Recreational maths with 387855

387855 backwards is 558783
The number of decimal digits it has is: 6
The sum of 387855's digits is 36
More coming soon!

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The information we have on file for 387855 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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