388138365

388,138,365 is an odd composite number composed of four prime numbers multiplied together.

What does the number 388138365 look like?

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

388138365 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 388138365:

3³ × 5 × 19 × 389²

(3 × 3 × 3 × 5 × 19 × 389 × 389)

See below for interesting mathematical facts about the number 388138365 from the Numbermatics database.

Names of 388138365

Cardinal: 388138365 can be written as Three hundred eighty-eight million, one hundred thirty-eight thousand, three hundred sixty-five.

Scientific notation

Scientific notation: 3.88138365 × 10⁸

Factors of 388138365

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 416

Divisors of 388138365

Number of divisors d(n): 48
Complete list of divisors:
1 3 5 9 15 19 27 45 57 95 135 171 285 389 513 855 1167 1945 2565 3501 5835 7391 10503 17505 22173 36955 52515 66519 110865 151321 199557 332595 453963 756605 997785 1361889 2269815 2875099 4085667 6809445 8625297 14375495 20428335 25875891 43126485 77627673 129379455 388138365
Sum of all divisors σ(n): 728212800
Sum of proper divisors (its aliquot sum) s(n): 340074435
388138365 is a deficient number, because the sum of its proper divisors (340074435) is less than itself. Its deficiency is 48063930

Bases of 388138365

Binary: 10111001000101000010101111101₂
Hexadecimal: 0x1722857D
Base-36: 6F35H9

Squares and roots of 388138365

388138365 squared (388138365²) is 150651390384873225
388138365 cubed (388138365³) is 58473584348961414283777125
The square root of 388138365 is 19701.2274998285
The cube root of 388138365 is 729.4499922893

Scales and comparisons

How big is 388138365?

388,138,365 seconds is equal to 12 years, 17 weeks, 5 days, 8 hours, 12 minutes, 45 seconds.
To count from 1 to 388,138,365 would take you about eighteen years!

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 388138365 cubic inches would be around 60.8 feet tall.

Recreational maths with 388138365

388138365 backwards is 563831883
388138365 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 388138365's digits is 45
More coming soon!

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The information we have on file for 388138365 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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