28440918

28,440,918 is an even composite number composed of four prime numbers multiplied together.

What does the number 28440918 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

28440918 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 28440918:

2 × 3² × 11 × 379²

(2 × 3 × 3 × 11 × 379 × 379)

See below for interesting mathematical facts about the number 28440918 from the Numbermatics database.

Names of 28440918

Cardinal: 28440918 can be written as Twenty-eight million, four hundred forty thousand, nine hundred eighteen.

Scientific notation

Scientific notation: 2.8440918 × 10⁷

Factors of 28440918

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 395

Divisors of 28440918

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 6 9 11 18 22 33 66 99 198 379 758 1137 2274 3411 4169 6822 8338 12507 25014 37521 75042 143641 287282 430923 861846 1292769 1580051 2585538 3160102 4740153 9480306 14220459 28440918
Sum of all divisors σ(n): 67401828
Sum of proper divisors (its aliquot sum) s(n): 38960910
28440918 is an abundant number, because the sum of its proper divisors (38960910) is greater than itself. Its abundance is 10519992

Bases of 28440918

Binary: 1101100011111100101010110₂
Hexadecimal: 0x1B1F956
Base-36: GXL5I

Squares and roots of 28440918

28440918 squared (28440918²) is 808885816682724
28440918 cubed (28440918³) is 23005455183636385300632
The square root of 28440918 is 5333.0027189193
The cube root of 28440918 is 305.2445159163

Scales and comparisons

How big is 28440918?

28,440,918 seconds is equal to 47 weeks, 4 hours, 15 minutes, 18 seconds.
To count from 1 to 28,440,918 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 28440918 cubic inches would be around 25.4 feet tall.

Recreational maths with 28440918

28440918 backwards is 81904482
The number of decimal digits it has is: 8
The sum of 28440918's digits is 36
More coming soon!

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The information we have on file for 28440918 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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