13509721728
13,509,721,728 is an even composite number composed of five prime numbers multiplied together.
13509721728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 13509721728:
27 × 34 × 41 × 61 × 521
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 41 × 61 × 521)See below for interesting mathematical facts about the number 13509721728 from the Numbermatics database.
Names of 13509721728
- Cardinal: 13509721728 can be written as Thirteen billion, five hundred nine million, seven hundred twenty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.3509721728 × 1010
Factors of 13509721728
Divisors of 13509721728
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 54 61 64 72 81 82 96 108 122 123 128 144 162 164 183 192 216 244 246 288 324 328 366 369 384 432 488 492 521 549 576 648 656 732 738 864 976 984 1042 1098 1107 1152 1296 1312 1464 1476 1563 1647 1728 1952 1968 2084 2196 2214 2501 2592 2624 2928 2952 3126 3294 3321 3456 3904 3936 4168 4392 4428 4689 4941 5002 5184 5248 5856 5904 6252 6588 6642 7503 7808 7872 8336 8784 8856 9378 9882 10004 10368 11712 11808 12504 13176 13284 14067 15006 15744 16672 17568 17712 18756 19764 20008 21361 22509 23424 23616 25008 26352 26568 28134 30012 31781 33344 35136 35424 37512 39528 40016 42201 42722 45018 47232 50016 52704 53136 56268 60024 63562 64083 66688 67527 70272 70848 75024 79056 80032 84402 85444 90036 95343 100032 105408 106272 112536 120048 127124 128166 135054 141696 150048 158112 160064 168804 170888 180072 190686 192249 200064 202581 210816 212544 225072 240096 254248 256332 270108 286029 300096 316224 320128 337608 341776 360144 381372 384498 405162 425088 450144 480192 508496 512664 540216 572058 576747 600192 632448 675216 683552 720288 762744 768996 810324 858087 900288 960384 1016992 1025328 1080432 1144116 1153494 1303021 1350432 1367104 1440576 1525488 1537992 1620648 1716174 1730241 1800576 2033984 2050656 2160864 2288232 2306988 2574261 2606042 2700864 2734208 2881152 3050976 3075984 3241296 3432348 3460482 3909063 4067968 4101312 4321728 4576464 4613976 5148522 5212084 5401728 6101952 6151968 6482592 6864696 6920964 7818126 8202624 8643456 9152928 9227952 10297044 10424168 11727189 12203904 12303936 12965184 13729392 13841928 15636252 18305856 18455904 20594088 20848336 23454378 24607872 25930368 27458784 27683856 31272504 35181567 36611712 36911808 41188176 41696672 46908756 54917568 55367712 62545008 70363134 73823616 82376352 83393344 93817512 105544701 109835136 110735424 125090016 140726268 164752704 166786688 187635024 211089402 221470848 250180032 281452536 329505408 375270048 422178804 500360064 562905072 750540096 844357608 1125810144 1501080192 1688715216 2251620288 3377430432 4503240576 6754860864 13509721728
- Sum of all divisors σ(n): 41940831240
- Sum of proper divisors (its aliquot sum) s(n): 28431109512
- 13509721728 is an abundant number, because the sum of its proper divisors (28431109512) is greater than itself. Its abundance is 14921387784
Bases of 13509721728
- Binary: 11001001010011110111111110100000002
- Hexadecimal: 0x3253DFE80
- Base-36: 67FC800
Squares and roots of 13509721728
- 13509721728 squared (135097217282) is 182512581167995305984
- 13509721728 cubed (135097217283) is 2465694183438629803454053220352
-
The
square root of 13509721728 is 116231.3285134431 -
The
cube root of 13509721728 is 2381.6730067793
Scales and comparisons
How big is 13509721728?- 13,509,721,728 seconds is equal to 429 years, 29 weeks, 3 days, 12 hours, 28 minutes, 48 seconds.
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To count from 1 to 13,509,721,728 would take you about eight hundred fifty-nine years!
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 13509721728 cubic inches would be around 198.5 feet tall.
Recreational maths with 13509721728
- 13509721728 backwards is 82712790531
- The number of decimal digits it has is: 11
- The sum of 13509721728's digits is 45
- More coming soon!
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