120728

120,728 is an even composite number composed of two prime numbers multiplied together.

What does the number 120728 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

120728 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 120728:

2³ × 15091

(2 × 2 × 2 × 15091)

See below for interesting mathematical facts about the number 120728 from the Numbermatics database.

Names of 120728

Cardinal: 120728 can be written as One hundred twenty thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.20728 × 10⁵

Factors of 120728

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 15093

Divisors of 120728

Number of divisors d(n): 8
Complete list of divisors:
1 2 4 8 15091 30182 60364 120728
Sum of all divisors σ(n): 226380
Sum of proper divisors (its aliquot sum) s(n): 105652
120728 is a deficient number, because the sum of its proper divisors (105652) is less than itself. Its deficiency is 15076

Bases of 120728

Binary: 11101011110011000₂
Hexadecimal: 0x1D798
Base-36: 2L5K

Squares and roots of 120728

120728 squared (120728²) is 14575249984
120728 cubed (120728³) is 1759640780068352
The square root of 120728 is 347.4593501403
The cube root of 120728 is 49.4237850353

Scales and comparisons

How big is 120728?

120,728 seconds is equal to 1 day, 9 hours, 32 minutes, 8 seconds.
To count from 1 to 120,728 would take you about nine hours.

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 120728 cubic inches would be around 4.1 feet tall.

Recreational maths with 120728

120728 backwards is 827021
The number of decimal digits it has is: 6
The sum of 120728's digits is 20
More coming soon!

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The information we have on file for 120728 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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