28928890

28,928,890 is an even composite number composed of four prime numbers multiplied together.

What does the number 28928890 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

28928890 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 28928890:

2 × 5 × 31 × 93319

See below for interesting mathematical facts about the number 28928890 from the Numbermatics database.

Names of 28928890

Cardinal: 28928890 can be written as Twenty-eight million, nine hundred twenty-eight thousand, eight hundred ninety.

Scientific notation

Scientific notation: 2.892889 × 10⁷

Factors of 28928890

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 93357

Divisors of 28928890

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 10 31 62 155 310 93319 186638 466595 933190 2892889 5785778 14464445 28928890
Sum of all divisors σ(n): 53752320
Sum of proper divisors (its aliquot sum) s(n): 24823430
28928890 is a deficient number, because the sum of its proper divisors (24823430) is less than itself. Its deficiency is 4105460

Bases of 28928890

Binary: 1101110010110101101111010₂
Hexadecimal: 0x1B96B7A
Base-36: H81OA

Squares and roots of 28928890

28928890 squared (28928890²) is 836880676632100
28928890 cubed (28928890³) is 24210029037415591369000
The square root of 28928890 is 5378.5583570321
The cube root of 28928890 is 306.9803592779

Scales and comparisons

How big is 28928890?

28,928,890 seconds is equal to 47 weeks, 5 days, 19 hours, 48 minutes, 10 seconds.
To count from 1 to 28,928,890 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 28928890 cubic inches would be around 25.6 feet tall.

Recreational maths with 28928890

28928890 backwards is 09882982
The number of decimal digits it has is: 8
The sum of 28928890's digits is 46
More coming soon!

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The information we have on file for 28928890 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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