28405443

28,405,443 is an odd composite number composed of five prime numbers multiplied together.

What does the number 28405443 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

28405443 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28405443:

3 × 11 × 61 × 103 × 137

See below for interesting mathematical facts about the number 28405443 from the Numbermatics database.

Names of 28405443

Cardinal: 28405443 can be written as Twenty-eight million, four hundred five thousand, four hundred forty-three.

Scientific notation

Scientific notation: 2.8405443 × 10⁷

Factors of 28405443

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 315

Divisors of 28405443

Number of divisors d(n): 32
Complete list of divisors:
1 3 11 33 61 103 137 183 309 411 671 1133 1507 2013 3399 4521 6283 8357 14111 18849 25071 42333 69113 91927 155221 207339 275781 465663 860771 2582313 9468481 28405443
Sum of all divisors σ(n): 42711552
Sum of proper divisors (its aliquot sum) s(n): 14306109
28405443 is a deficient number, because the sum of its proper divisors (14306109) is less than itself. Its deficiency is 14099334

Bases of 28405443

Binary: 1101100010110111011000011₂
Hexadecimal: 0x1B16EC3
Base-36: GWTS3

Squares and roots of 28405443

28405443 squared (28405443²) is 806869192026249
28405443 cubed (28405443³) is 22919476842557670473307
The square root of 28405443 is 5329.6756936987
The cube root of 28405443 is 305.1175503175

Scales and comparisons

How big is 28405443?

28,405,443 seconds is equal to 46 weeks, 6 days, 18 hours, 24 minutes, 3 seconds.
To count from 1 to 28,405,443 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 28405443 cubic inches would be around 25.4 feet tall.

Recreational maths with 28405443

28405443 backwards is 34450482
The number of decimal digits it has is: 8
The sum of 28405443's digits is 30
More coming soon!

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The information we have on file for 28405443 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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