388221399

388,221,399 is an odd composite number composed of three prime numbers multiplied together.

What does the number 388221399 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

388221399 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 388221399:

3² × 197 × 218963

(3 × 3 × 197 × 218963)

See below for interesting mathematical facts about the number 388221399 from the Numbermatics database.

Names of 388221399

Cardinal: 388221399 can be written as Three hundred eighty-eight million, two hundred twenty-one thousand, three hundred ninety-nine.

Scientific notation

Scientific notation: 3.88221399 × 10⁸

Factors of 388221399

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 219163

Divisors of 388221399

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 197 591 1773 218963 656889 1970667 43135711 129407133 388221399
Sum of all divisors σ(n): 563613336
Sum of proper divisors (its aliquot sum) s(n): 175391937
388221399 is a deficient number, because the sum of its proper divisors (175391937) is less than itself. Its deficiency is 212829462

Bases of 388221399

Binary: 10111001000111100100111010111₂
Hexadecimal: 0x1723C9D7
Base-36: 6F4XJR

Squares and roots of 388221399

388221399 squared (388221399²) is 150715854641517201
388221399 cubed (388221399³) is 58511119940410451254784199
The square root of 388221399 is 19703.3347177579
The cube root of 388221399 is 729.5020053837

Scales and comparisons

How big is 388221399?

388,221,399 seconds is equal to 12 years, 17 weeks, 6 days, 7 hours, 16 minutes, 39 seconds.
To count from 1 to 388,221,399 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 388221399 cubic inches would be around 60.8 feet tall.

Recreational maths with 388221399

388221399 backwards is 993122883
The number of decimal digits it has is: 9
The sum of 388221399's digits is 45
More coming soon!

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The information we have on file for 388221399 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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