28397998

28,397,998 is an even composite number composed of three prime numbers multiplied together.

What does the number 28397998 look like?

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

28397998 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 28397998:

2 × 59² × 4079

(2 × 59 × 59 × 4079)

See below for interesting mathematical facts about the number 28397998 from the Numbermatics database.

Names of 28397998

Cardinal: 28397998 can be written as Twenty-eight million, three hundred ninety-seven thousand, nine hundred ninety-eight.

Scientific notation

Scientific notation: 2.8397998 × 10⁷

Factors of 28397998

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 4140

Divisors of 28397998

Number of divisors d(n): 12
Complete list of divisors:
1 2 59 118 3481 4079 6962 8158 240661 481322 14198999 28397998
Sum of all divisors σ(n): 43341840
Sum of proper divisors (its aliquot sum) s(n): 14943842
28397998 is a deficient number, because the sum of its proper divisors (14943842) is less than itself. Its deficiency is 13454156

Bases of 28397998

Binary: 1101100010101000110101110₂
Hexadecimal: 0x1B151AE
Base-36: GWO1A

Squares and roots of 28397998

28397998 squared (28397998²) is 806446290408004
28397998 cubed (28397998³) is 22901460142113916775992
The square root of 28397998 is 5328.9772001763
The cube root of 28397998 is 305.0908911233

Scales and comparisons

How big is 28397998?

28,397,998 seconds is equal to 46 weeks, 6 days, 16 hours, 19 minutes, 58 seconds.
To count from 1 to 28,397,998 would take you about eighteen 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 28397998 cubic inches would be around 25.4 feet tall.

Recreational maths with 28397998

28397998 backwards is 89979382
The number of decimal digits it has is: 8
The sum of 28397998's digits is 55
More coming soon!

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The information we have on file for 28397998 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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