28997442

28,997,442 is an even composite number composed of three prime numbers multiplied together.

What does the number 28997442 look like?

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

28997442 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 28997442:

2 × 3² × 1610969

(2 × 3 × 3 × 1610969)

See below for interesting mathematical facts about the number 28997442 from the Numbermatics database.

Names of 28997442

Cardinal: 28997442 can be written as Twenty-eight million, nine hundred ninety-seven thousand, four hundred forty-two.

Scientific notation

Scientific notation: 2.8997442 × 10⁷

Factors of 28997442

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1610974

Divisors of 28997442

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 6 9 18 1610969 3221938 4832907 9665814 14498721 28997442
Sum of all divisors σ(n): 62827830
Sum of proper divisors (its aliquot sum) s(n): 33830388
28997442 is an abundant number, because the sum of its proper divisors (33830388) is greater than itself. Its abundance is 4832946

Bases of 28997442

Binary: 1101110100111011101000010₂
Hexadecimal: 0x1BA7742
Base-36: H9IKI

Squares and roots of 28997442

28997442 squared (28997442²) is 840851642543364
28997442 cubed (28997442³) is 24382546735255930074888
The square root of 28997442 is 5384.9272975593
The cube root of 28997442 is 307.2226489851

Scales and comparisons

How big is 28997442?

28,997,442 seconds is equal to 47 weeks, 6 days, 14 hours, 50 minutes, 42 seconds.
To count from 1 to 28,997,442 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 28997442 cubic inches would be around 25.6 feet tall.

Recreational maths with 28997442

28997442 backwards is 24479982
The number of decimal digits it has is: 8
The sum of 28997442's digits is 45
More coming soon!

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The information we have on file for 28997442 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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