28987956

28,987,956 is an even composite number composed of three prime numbers multiplied together.

What does the number 28987956 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 42 divisors.

28987956 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-two divisors.

Prime factorization of 28987956:

2² × 3⁶ × 9941

(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 9941)

See below for interesting mathematical facts about the number 28987956 from the Numbermatics database.

Names of 28987956

Cardinal: 28987956 can be written as Twenty-eight million, nine hundred eighty-seven thousand, nine hundred fifty-six.

Scientific notation

Scientific notation: 2.8987956 × 10⁷

Factors of 28987956

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 9946

Divisors of 28987956

Number of divisors d(n): 42
Complete list of divisors:
1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2916 9941 19882 29823 39764 59646 89469 119292 178938 268407 357876 536814 805221 1073628 1610442 2415663 3220884 4831326 7246989 9662652 14493978 28987956
Sum of all divisors σ(n): 76066242
Sum of proper divisors (its aliquot sum) s(n): 47078286
28987956 is an abundant number, because the sum of its proper divisors (47078286) is greater than itself. Its abundance is 18090330

Bases of 28987956

Binary: 1101110100101001000110100₂
Hexadecimal: 0x1BA5234
Base-36: H9B90

Squares and roots of 28987956

28987956 squared (28987956²) is 840301593057936
28987956 cubed (28987956³) is 24358625606293354218816
The square root of 28987956 is 5384.0464336781
The cube root of 28987956 is 307.1891445139

Scales and comparisons

How big is 28987956?

28,987,956 seconds is equal to 47 weeks, 6 days, 12 hours, 12 minutes, 36 seconds.
To count from 1 to 28,987,956 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 28987956 cubic inches would be around 25.6 feet tall.

Recreational maths with 28987956

28987956 backwards is 65978982
28987956 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28987956's digits is 54
More coming soon!

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The information we have on file for 28987956 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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