189800721

189,800,721 is an odd composite number composed of three prime numbers multiplied together.

What does the number 189800721 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

189800721 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 189800721:

3² × 11² × 174289

(3 × 3 × 11 × 11 × 174289)

See below for interesting mathematical facts about the number 189800721 from the Numbermatics database.

Names of 189800721

Cardinal: 189800721 can be written as One hundred eighty-nine million, eight hundred thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 1.89800721 × 10⁸

Factors of 189800721

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 174303

Divisors of 189800721

Number of divisors d(n): 18
Complete list of divisors:
1 3 9 11 33 99 121 363 1089 174289 522867 1568601 1917179 5751537 17254611 21088969 63266907 189800721
Sum of all divisors σ(n): 301347410
Sum of proper divisors (its aliquot sum) s(n): 111546689
189800721 is a deficient number, because the sum of its proper divisors (111546689) is less than itself. Its deficiency is 78254032

Bases of 189800721

Binary: 1011010100000010000100010001₂
Hexadecimal: 0xB502111
Base-36: 350369

Squares and roots of 189800721

189800721 squared (189800721²) is 36024313692119841
189800721 cubed (189800721³) is 6837440712294517840205361
The square root of 189800721 is 13776.8182466055
The cube root of 189800721 is 574.6886490835

Scales and comparisons

How big is 189800721?

189,800,721 seconds is equal to 6 years, 1 week, 5 days, 18 hours, 25 minutes, 21 seconds.
To count from 1 to 189,800,721 would take you about nine 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 189800721 cubic inches would be around 47.9 feet tall.

Recreational maths with 189800721

189800721 backwards is 127008981
The number of decimal digits it has is: 9
The sum of 189800721's digits is 36
More coming soon!

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The information we have on file for 189800721 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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