328472721

328,472,721 is an odd composite number composed of three prime numbers multiplied together.

What does the number 328472721 look like?

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

328472721 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 328472721:

3² × 7621 × 4789

(3 × 3 × 7621 × 4789)

See below for interesting mathematical facts about the number 328472721 from the Numbermatics database.

Names of 328472721

Cardinal: 328472721 can be written as Three hundred twenty-eight million, four hundred seventy-two thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 3.28472721 × 10⁸

Factors of 328472721

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 12413

Divisors of 328472721

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 4789 7621 14367 22863 43101 68589 36496969 109490907 328472721
Sum of all divisors σ(n): 474621940
Sum of proper divisors (its aliquot sum) s(n): 146149219
328472721 is a deficient number, because the sum of its proper divisors (146149219) is less than itself. Its deficiency is 182323502

Bases of 328472721

Binary: 10011100101000001100010010001₂
Hexadecimal: 0x13941891
Base-36: 5FKB69

Squares and roots of 328472721

328472721 squared (328472721²) is 107894328441143841
328472721 cubed (328472721³) is 35440343643530205805661361
The square root of 328472721 is 18123.8164027337
The cube root of 328472721 is 689.9745989389

Scales and comparisons

How big is 328472721?

328,472,721 seconds is equal to 10 years, 23 weeks, 18 hours, 25 minutes, 21 seconds.
To count from 1 to 328,472,721 would take you about fifteen 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 328472721 cubic inches would be around 57.5 feet tall.

Recreational maths with 328472721

328472721 backwards is 127274823
The number of decimal digits it has is: 9
The sum of 328472721's digits is 36
More coming soon!

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The information we have on file for 328472721 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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