12129840
12,129,840 is an even composite number composed of five prime numbers multiplied together.
12129840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 12129840:
24 × 32 × 5 × 17 × 991
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 17 × 991)See below for interesting mathematical facts about the number 12129840 from the Numbermatics database.
Names of 12129840
- Cardinal: 12129840 can be written as Twelve million, one hundred twenty-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.212984 × 107
Factors of 12129840
Divisors of 12129840
- 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 17 18 20 24 30 34 36 40 45 48 51 60 68 72 80 85 90 102 120 136 144 153 170 180 204 240 255 272 306 340 360 408 510 612 680 720 765 816 991 1020 1224 1360 1530 1982 2040 2448 2973 3060 3964 4080 4955 5946 6120 7928 8919 9910 11892 12240 14865 15856 16847 17838 19820 23784 29730 33694 35676 39640 44595 47568 50541 59460 67388 71352 79280 84235 89190 101082 118920 134776 142704 151623 168470 178380 202164 237840 252705 269552 303246 336940 356760 404328 505410 606492 673880 713520 758115 808656 1010820 1212984 1347760 1516230 2021640 2425968 3032460 4043280 6064920 12129840
- Sum of all divisors σ(n): 43175808
- Sum of proper divisors (its aliquot sum) s(n): 31045968
- 12129840 is an abundant number, because the sum of its proper divisors (31045968) is greater than itself. Its abundance is 18916128
Bases of 12129840
- Binary: 1011100100010110001100002
- Hexadecimal: 0xB91630
- Base-36: 77ZG0
Squares and roots of 12129840
- 12129840 squared (121298402) is 147133018425600
- 12129840 cubed (121298403) is 1784699972219579904000
-
The
square root of 12129840 is 3482.7919834523 -
The
cube root of 12129840 is 229.7656087257
Scales and comparisons
How big is 12129840?- 12,129,840 seconds is equal to 20 weeks, 9 hours, 24 minutes.
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To count from 1 to 12,129,840 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 12129840 cubic inches would be around 19.1 feet tall.
Recreational maths with 12129840
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The information we have on file for 12129840 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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