28991488

28,991,488 is an even composite number composed of two prime numbers multiplied together.

What does the number 28991488 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 28 divisors.

28991488 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 28991488:

2¹³ × 3539

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3539)

See below for interesting mathematical facts about the number 28991488 from the Numbermatics database.

Names of 28991488

Cardinal: 28991488 can be written as Twenty-eight million, nine hundred ninety-one thousand, four hundred eighty-eight.

Scientific notation

Scientific notation: 2.8991488 × 10⁷

Factors of 28991488

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 14
Sum of prime factors: 3541

Divisors of 28991488

Number of divisors d(n): 28
Complete list of divisors:
1 2 4 8 16 32 64 128 256 512 1024 2048 3539 4096 7078 8192 14156 28312 56624 113248 226496 452992 905984 1811968 3623936 7247872 14495744 28991488
Sum of all divisors σ(n): 57995820
Sum of proper divisors (its aliquot sum) s(n): 29004332
28991488 is an abundant number, because the sum of its proper divisors (29004332) is greater than itself. Its abundance is 12844

Bases of 28991488

Binary: 1101110100110000000000000₂
Hexadecimal: 0x1BA6000
Base-36: H9DZ4

Squares and roots of 28991488

28991488 squared (28991488²) is 840506376454144
28991488 cubed (28991488³) is 24367530526893798326272
The square root of 28991488 is 5384.3744297737
The cube root of 28991488 is 307.2016203619

Scales and comparisons

How big is 28991488?

28,991,488 seconds is equal to 47 weeks, 6 days, 13 hours, 11 minutes, 28 seconds.
To count from 1 to 28,991,488 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 28991488 cubic inches would be around 25.6 feet tall.

Recreational maths with 28991488

28991488 backwards is 88419982
The number of decimal digits it has is: 8
The sum of 28991488's digits is 49
More coming soon!

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The information we have on file for 28991488 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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