28780090

28,780,090 is an even composite number composed of five prime numbers multiplied together.

What does the number 28780090 look like?

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

28780090 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 28780090:

2 × 5 × 31 × 263 × 353

See below for interesting mathematical facts about the number 28780090 from the Numbermatics database.

Names of 28780090

Cardinal: 28780090 can be written as Twenty-eight million, seven hundred eighty thousand and ninety.

Scientific notation

Scientific notation: 2.878009 × 10⁷

Factors of 28780090

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 654

Divisors of 28780090

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 10 31 62 155 263 310 353 526 706 1315 1765 2630 3530 8153 10943 16306 21886 40765 54715 81530 92839 109430 185678 464195 928390 2878009 5756018 14390045 28780090
Sum of all divisors σ(n): 53830656
Sum of proper divisors (its aliquot sum) s(n): 25050566
28780090 is a deficient number, because the sum of its proper divisors (25050566) is less than itself. Its deficiency is 3729524

Bases of 28780090

Binary: 1101101110010011000111010₂
Hexadecimal: 0x1B7263A
Base-36: H4UUY

Squares and roots of 28780090

28780090 squared (28780090²) is 828293580408100
28780090 cubed (28780090³) is 23838363790567354729000
The square root of 28780090 is 5364.7078205621
The cube root of 28780090 is 306.4531213925

Scales and comparisons

How big is 28780090?

28,780,090 seconds is equal to 47 weeks, 4 days, 2 hours, 28 minutes, 10 seconds.
To count from 1 to 28,780,090 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 28780090 cubic inches would be around 25.5 feet tall.

Recreational maths with 28780090

28780090 backwards is 09008782
The number of decimal digits it has is: 8
The sum of 28780090's digits is 34
More coming soon!

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The information we have on file for 28780090 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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