28671372

28,671,372 is an even composite number composed of four prime numbers multiplied together.

What does the number 28671372 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 54 divisors.

28671372 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-four divisors.

Prime factorization of 28671372:

2² × 3² × 29² × 947

(2 × 2 × 3 × 3 × 29 × 29 × 947)

See below for interesting mathematical facts about the number 28671372 from the Numbermatics database.

Names of 28671372

Cardinal: 28671372 can be written as Twenty-eight million, six hundred seventy-one thousand, three hundred seventy-two.

Scientific notation

Scientific notation: 2.8671372 × 10⁷

Factors of 28671372

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 981

Divisors of 28671372

Number of divisors d(n): 54
Complete list of divisors:
1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 841 947 1044 1682 1894 2523 2841 3364 3788 5046 5682 7569 8523 10092 11364 15138 17046 27463 30276 34092 54926 82389 109852 164778 247167 329556 494334 796427 988668 1592854 2389281 3185708 4778562 7167843 9557124 14335686 28671372
Sum of all divisors σ(n): 75139428
Sum of proper divisors (its aliquot sum) s(n): 46468056
28671372 is an abundant number, because the sum of its proper divisors (46468056) is greater than itself. Its abundance is 17796684

Bases of 28671372

Binary: 1101101010111110110001100₂
Hexadecimal: 0x1B57D8C
Base-36: H2IZ0

Squares and roots of 28671372

28671372 squared (28671372²) is 822047572362384
28671372 cubed (28671372³) is 23569231748898830470848
The square root of 28671372 is 5354.5655285933
The cube root of 28671372 is 306.0667546275

Scales and comparisons

How big is 28671372?

28,671,372 seconds is equal to 47 weeks, 2 days, 20 hours, 16 minutes, 12 seconds.
To count from 1 to 28,671,372 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 28671372 cubic inches would be around 25.5 feet tall.

Recreational maths with 28671372

28671372 backwards is 27317682
28671372 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28671372's digits is 36
More coming soon!

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The information we have on file for 28671372 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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