188728

188,728 is an even composite number composed of three prime numbers multiplied together.

What does the number 188728 look like?

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

188728 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 188728:

2³ × 31 × 761

(2 × 2 × 2 × 31 × 761)

See below for interesting mathematical facts about the number 188728 from the Numbermatics database.

Names of 188728

Cardinal: 188728 can be written as One hundred eighty-eight thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.88728 × 10⁵

Factors of 188728

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 794

Divisors of 188728

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 8 31 62 124 248 761 1522 3044 6088 23591 47182 94364 188728
Sum of all divisors σ(n): 365760
Sum of proper divisors (its aliquot sum) s(n): 177032
188728 is a deficient number, because the sum of its proper divisors (177032) is less than itself. Its deficiency is 11696

Bases of 188728

Binary: 101110000100111000₂
Hexadecimal: 0x2E138
Base-36: 41MG

Squares and roots of 188728

188728 squared (188728²) is 35618257984
188728 cubed (188728³) is 6722162592804352
The square root of 188728 is 434.4283600319
The cube root of 188728 is 57.3603922511

Scales and comparisons

How big is 188728?

188,728 seconds is equal to 2 days, 4 hours, 25 minutes, 28 seconds.
To count from 1 to 188,728 would take you about two 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 188728 cubic inches would be around 4.8 feet tall.

Recreational maths with 188728

188728 backwards is 827881
The number of decimal digits it has is: 6
The sum of 188728's digits is 34
More coming soon!

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The information we have on file for 188728 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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