13321728
13,321,728 is an even composite number composed of four prime numbers multiplied together.
13321728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 13321728:
29 × 32 × 72 × 59
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 59)See below for interesting mathematical facts about the number 13321728 from the Numbermatics database.
Names of 13321728
- Cardinal: 13321728 can be written as Thirteen million, three hundred twenty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.3321728 × 107
Factors of 13321728
Divisors of 13321728
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 59 63 64 72 84 96 98 112 118 126 128 144 147 168 177 192 196 224 236 252 256 288 294 336 354 384 392 413 441 448 472 504 512 531 576 588 672 708 768 784 826 882 896 944 1008 1062 1152 1176 1239 1344 1416 1536 1568 1652 1764 1792 1888 2016 2124 2304 2352 2478 2688 2832 2891 3136 3304 3528 3584 3717 3776 4032 4248 4608 4704 4956 5376 5664 5782 6272 6608 7056 7434 7552 8064 8496 8673 9408 9912 10752 11328 11564 12544 13216 14112 14868 15104 16128 16992 17346 18816 19824 22656 23128 25088 26019 26432 28224 29736 30208 32256 33984 34692 37632 39648 45312 46256 52038 52864 56448 59472 67968 69384 75264 79296 90624 92512 104076 105728 112896 118944 135936 138768 158592 185024 208152 211456 225792 237888 271872 277536 317184 370048 416304 475776 555072 634368 740096 832608 951552 1110144 1480192 1665216 1903104 2220288 3330432 4440576 6660864 13321728
- Sum of all divisors σ(n): 45482580
- Sum of proper divisors (its aliquot sum) s(n): 32160852
- 13321728 is an abundant number, because the sum of its proper divisors (32160852) is greater than itself. Its abundance is 18839124
Bases of 13321728
- Binary: 1100101101000110000000002
- Hexadecimal: 0xCB4600
- Base-36: 7XJ40
Squares and roots of 13321728
- 13321728 squared (133217282) is 177468436905984
- 13321728 cubed (133217283) is 2364186245046680420352
-
The
square root of 13321728 is 3649.8942450435 -
The
cube root of 13321728 is 237.0574021083
Scales and comparisons
How big is 13321728?- 13,321,728 seconds is equal to 22 weeks, 4 hours, 28 minutes, 48 seconds.
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To count from 1 to 13,321,728 would take you about thirty-three 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 13321728 cubic inches would be around 19.8 feet tall.
Recreational maths with 13321728
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The information we have on file for 13321728 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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