12128400
12,128,400 is an even composite number composed of four prime numbers multiplied together.
12128400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 12128400:
24 × 33 × 52 × 1123
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 1123)See below for interesting mathematical facts about the number 12128400 from the Numbermatics database.
Names of 12128400
- Cardinal: 12128400 can be written as Twelve million, one hundred twenty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 1.21284 × 107
Factors of 12128400
Divisors of 12128400
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 135 144 150 180 200 216 225 240 270 300 360 400 432 450 540 600 675 720 900 1080 1123 1200 1350 1800 2160 2246 2700 3369 3600 4492 5400 5615 6738 8984 10107 10800 11230 13476 16845 17968 20214 22460 26952 28075 30321 33690 40428 44920 50535 53904 56150 60642 67380 80856 84225 89840 101070 112300 121284 134760 151605 161712 168450 202140 224600 242568 252675 269520 303210 336900 404280 449200 485136 505350 606420 673800 758025 808560 1010700 1212840 1347600 1516050 2021400 2425680 3032100 4042800 6064200 12128400
- Sum of all divisors σ(n): 43206560
- Sum of proper divisors (its aliquot sum) s(n): 31078160
- 12128400 is an abundant number, because the sum of its proper divisors (31078160) is greater than itself. Its abundance is 18949760
Bases of 12128400
- Binary: 1011100100010000100100002
- Hexadecimal: 0xB91090
- Base-36: 77YC0
Squares and roots of 12128400
- 12128400 squared (121284002) is 147098086560000
- 12128400 cubed (121284003) is 1784064433034304000000
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The
square root of 12128400 is 3482.5852466235 -
The
cube root of 12128400 is 229.7565161197
Scales and comparisons
How big is 12128400?- 12,128,400 seconds is equal to 20 weeks, 9 hours.
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To count from 1 to 12,128,400 would take you about thirty 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 12128400 cubic inches would be around 19.1 feet tall.
Recreational maths with 12128400
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The information we have on file for 12128400 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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