28555590

28,555,590 is an even composite number composed of five prime numbers multiplied together.

What does the number 28555590 look like?

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

28555590 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28555590:

2 × 3 × 5 × 7 × 135979

See below for interesting mathematical facts about the number 28555590 from the Numbermatics database.

Names of 28555590

Cardinal: 28555590 can be written as Twenty-eight million, five hundred fifty-five thousand, five hundred ninety.

Scientific notation

Scientific notation: 2.855559 × 10⁷

Factors of 28555590

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 135996

Divisors of 28555590

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 135979 271958 407937 679895 815874 951853 1359790 1903706 2039685 2855559 4079370 4759265 5711118 9518530 14277795 28555590
Sum of all divisors σ(n): 78324480
Sum of proper divisors (its aliquot sum) s(n): 49768890
28555590 is an abundant number, because the sum of its proper divisors (49768890) is greater than itself. Its abundance is 21213300

Bases of 28555590

Binary: 1101100111011100101000110₂
Hexadecimal: 0x1B3B946
Base-36: H01MU

Squares and roots of 28555590

28555590 squared (28555590²) is 815421720248100
28555590 cubed (28555590³) is 23284848320499441879000
The square root of 28555590 is 5343.7430701709
The cube root of 28555590 is 305.6542080475

Scales and comparisons

How big is 28555590?

28,555,590 seconds is equal to 47 weeks, 1 day, 12 hours, 6 minutes, 30 seconds.
To count from 1 to 28,555,590 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 28555590 cubic inches would be around 25.5 feet tall.

Recreational maths with 28555590

28555590 backwards is 09555582
The number of decimal digits it has is: 8
The sum of 28555590's digits is 39
More coming soon!

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The information we have on file for 28555590 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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