18230728
18,230,728 is an even composite number composed of five prime numbers multiplied together.
18230728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 18230728:
23 × 19 × 31 × 53 × 73
(2 × 2 × 2 × 19 × 31 × 53 × 73)See below for interesting mathematical facts about the number 18230728 from the Numbermatics database.
Names of 18230728
- Cardinal: 18230728 can be written as Eighteen million, two hundred thirty thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.8230728 × 107
Factors of 18230728
Divisors of 18230728
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 8 19 31 38 53 62 73 76 106 124 146 152 212 248 292 424 584 589 1007 1178 1387 1643 2014 2263 2356 2774 3286 3869 4028 4526 4712 5548 6572 7738 8056 9052 11096 13144 15476 18104 30952 31217 42997 62434 73511 85994 119939 124868 147022 171988 239878 249736 294044 343976 479756 588088 959512 2278841 4557682 9115364 18230728
- Sum of all divisors σ(n): 38361600
- Sum of proper divisors (its aliquot sum) s(n): 20130872
- 18230728 is an abundant number, because the sum of its proper divisors (20130872) is greater than itself. Its abundance is 1900144
Bases of 18230728
- Binary: 10001011000101101110010002
- Hexadecimal: 0x1162DC8
- Base-36: AUQX4
Squares and roots of 18230728
- 18230728 squared (182307282) is 332359443409984
- 18230728 cubed (182307283) is 6059154611038810788352
-
The
square root of 18230728 is 4269.7456598725 -
The
cube root of 18230728 is 263.1891635491
Scales and comparisons
How big is 18230728?- 18,230,728 seconds is equal to 30 weeks, 1 day, 5 minutes, 28 seconds.
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To count from 1 to 18,230,728 would take you about forty-five 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 18230728 cubic inches would be around 21.9 feet tall.
Recreational maths with 18230728
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The information we have on file for 18230728 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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