28907072

28,907,072 is an even composite number composed of three prime numbers multiplied together.

What does the number 28907072 look like?

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

28907072 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 28907072:

2⁶ × 17 × 163²

(2 × 2 × 2 × 2 × 2 × 2 × 17 × 163 × 163)

See below for interesting mathematical facts about the number 28907072 from the Numbermatics database.

Names of 28907072

Cardinal: 28907072 can be written as Twenty-eight million, nine hundred seven thousand and seventy-two.

Scientific notation

Scientific notation: 2.8907072 × 10⁷

Factors of 28907072

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 182

Divisors of 28907072

Number of divisors d(n): 42
Complete list of divisors:
1 2 4 8 16 17 32 34 64 68 136 163 272 326 544 652 1088 1304 2608 2771 5216 5542 10432 11084 22168 26569 44336 53138 88672 106276 177344 212552 425104 451673 850208 903346 1700416 1806692 3613384 7226768 14453536 28907072
Sum of all divisors σ(n): 61111638
Sum of proper divisors (its aliquot sum) s(n): 32204566
28907072 is an abundant number, because the sum of its proper divisors (32204566) is greater than itself. Its abundance is 3297494

Bases of 28907072

Binary: 1101110010001011001000000₂
Hexadecimal: 0x1B91640
Base-36: H7KU8

Squares and roots of 28907072

28907072 squared (28907072²) is 835618811613184
28907072 cubed (28907072³) is 24155293151856746037248
The square root of 28907072 is 5376.5297358055
The cube root of 28907072 is 306.9031656031

Scales and comparisons

How big is 28907072?

28,907,072 seconds is equal to 47 weeks, 5 days, 13 hours, 44 minutes, 32 seconds.
To count from 1 to 28,907,072 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 28907072 cubic inches would be around 25.6 feet tall.

Recreational maths with 28907072

28907072 backwards is 27070982
The number of decimal digits it has is: 8
The sum of 28907072's digits is 35
More coming soon!

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The information we have on file for 28907072 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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