28720341

28,720,341 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28720341 look like?

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

28720341 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 28720341:

3² × 13 × 245473

(3 × 3 × 13 × 245473)

See below for interesting mathematical facts about the number 28720341 from the Numbermatics database.

Names of 28720341

Cardinal: 28720341 can be written as Twenty-eight million, seven hundred twenty thousand, three hundred forty-one.

Scientific notation

Scientific notation: 2.8720341 × 10⁷

Factors of 28720341

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 245489

Divisors of 28720341

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 13 39 117 245473 736419 2209257 3191149 9573447 28720341
Sum of all divisors σ(n): 44676268
Sum of proper divisors (its aliquot sum) s(n): 15955927
28720341 is a deficient number, because the sum of its proper divisors (15955927) is less than itself. Its deficiency is 12764414

Bases of 28720341

Binary: 1101101100011110011010101₂
Hexadecimal: 0x1B63CD5
Base-36: H3KR9

Squares and roots of 28720341

28720341 squared (28720341²) is 824857987156281
28720341 cubed (28720341³) is 23690202667702010611821
The square root of 28720341 is 5359.1362177127
The cube root of 28720341 is 306.2409034643

Scales and comparisons

How big is 28720341?

28,720,341 seconds is equal to 47 weeks, 3 days, 9 hours, 52 minutes, 21 seconds.
To count from 1 to 28,720,341 would take you about nineteen weeks!

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 28720341 cubic inches would be around 25.5 feet tall.

Recreational maths with 28720341

28720341 backwards is 14302782
The number of decimal digits it has is: 8
The sum of 28720341's digits is 27
More coming soon!

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The information we have on file for 28720341 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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