28489491

28,489,491 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28489491 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

28489491 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 28489491:

3² × 73 × 103 × 421

(3 × 3 × 73 × 103 × 421)

See below for interesting mathematical facts about the number 28489491 from the Numbermatics database.

Names of 28489491

Cardinal: 28489491 can be written as Twenty-eight million, four hundred eighty-nine thousand, four hundred ninety-one.

Scientific notation

Scientific notation: 2.8489491 × 10⁷

Factors of 28489491

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 600

Divisors of 28489491

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 73 103 219 309 421 657 927 1263 3789 7519 22557 30733 43363 67671 92199 130089 276597 390267 3165499 9496497 28489491
Sum of all divisors σ(n): 42220256
Sum of proper divisors (its aliquot sum) s(n): 13730765
28489491 is a deficient number, because the sum of its proper divisors (13730765) is less than itself. Its deficiency is 14758726

Bases of 28489491

Binary: 1101100101011011100010011₂
Hexadecimal: 0x1B2B713
Base-36: GYMMR

Squares and roots of 28489491

28489491 squared (28489491²) is 811651097439081
28489491 cubed (28489491³) is 23123526635630821197771
The square root of 28489491 is 5337.5547772365
The cube root of 28489491 is 305.4181883375

Scales and comparisons

How big is 28489491?

28,489,491 seconds is equal to 47 weeks, 17 hours, 44 minutes, 51 seconds.
To count from 1 to 28,489,491 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 28489491 cubic inches would be around 25.5 feet tall.

Recreational maths with 28489491

28489491 backwards is 19498482
The number of decimal digits it has is: 8
The sum of 28489491's digits is 45
More coming soon!

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The information we have on file for 28489491 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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