28455390

28,455,390 is an even composite number composed of five prime numbers multiplied together.

What does the number 28455390 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

28455390 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28455390:

2 × 3² × 5 × 421 × 751

(2 × 3 × 3 × 5 × 421 × 751)

See below for interesting mathematical facts about the number 28455390 from the Numbermatics database.

Names of 28455390

Cardinal: 28455390 can be written as Twenty-eight million, four hundred fifty-five thousand, three hundred ninety.

Scientific notation

Scientific notation: 2.845539 × 10⁷

Factors of 28455390

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 1182

Divisors of 28455390

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 5 6 9 10 15 18 30 45 90 421 751 842 1263 1502 2105 2253 2526 3755 3789 4210 4506 6315 6759 7510 7578 11265 12630 13518 18945 22530 33795 37890 67590 316171 632342 948513 1580855 1897026 2845539 3161710 4742565 5691078 9485130 14227695 28455390
Sum of all divisors σ(n): 74258496
Sum of proper divisors (its aliquot sum) s(n): 45803106
28455390 is an abundant number, because the sum of its proper divisors (45803106) is greater than itself. Its abundance is 17347716

Bases of 28455390

Binary: 1101100100011000111011110₂
Hexadecimal: 0x1B231DE
Base-36: GXWBI

Squares and roots of 28455390

28455390 squared (28455390²) is 809709220052100
28455390 cubed (28455390³) is 23040591643178325819000
The square root of 28455390 is 5334.3593804695
The cube root of 28455390 is 305.2962811179

Scales and comparisons

How big is 28455390?

28,455,390 seconds is equal to 47 weeks, 8 hours, 16 minutes, 30 seconds.
To count from 1 to 28,455,390 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 28455390 cubic inches would be around 25.4 feet tall.

Recreational maths with 28455390

28455390 backwards is 09355482
The number of decimal digits it has is: 8
The sum of 28455390's digits is 36
More coming soon!

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The information we have on file for 28455390 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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