28780120

28,780,120 is an even composite number composed of three prime numbers multiplied together.

What does the number 28780120 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

28780120 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 28780120:

2³ × 5 × 719503

(2 × 2 × 2 × 5 × 719503)

See below for interesting mathematical facts about the number 28780120 from the Numbermatics database.

Names of 28780120

Cardinal: 28780120 can be written as Twenty-eight million, seven hundred eighty thousand, one hundred twenty.

Scientific notation

Scientific notation: 2.878012 × 10⁷

Factors of 28780120

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 719510

Divisors of 28780120

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 719503 1439006 2878012 3597515 5756024 7195030 14390060 28780120
Sum of all divisors σ(n): 64755360
Sum of proper divisors (its aliquot sum) s(n): 35975240
28780120 is an abundant number, because the sum of its proper divisors (35975240) is greater than itself. Its abundance is 7195120

Bases of 28780120

Binary: 1101101110010011001011000₂
Hexadecimal: 0x1B72658
Base-36: H4UVS

Squares and roots of 28780120

28780120 squared (28780120²) is 828295307214400
28780120 cubed (28780120³) is 23838438337067297728000
The square root of 28780120 is 5364.7106166129
The cube root of 28780120 is 306.4532278735

Scales and comparisons

How big is 28780120?

28,780,120 seconds is equal to 47 weeks, 4 days, 2 hours, 28 minutes, 40 seconds.
To count from 1 to 28,780,120 would take you about nineteen 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 28780120 cubic inches would be around 25.5 feet tall.

Recreational maths with 28780120

28780120 backwards is 02108782
The number of decimal digits it has is: 8
The sum of 28780120's digits is 28
More coming soon!

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The information we have on file for 28780120 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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