12918388320
12,918,388,320 is an even composite number composed of five prime numbers multiplied together.
12918388320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12918388320:
25 × 32 × 5 × 6367 × 1409
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 6367 × 1409)See below for interesting mathematical facts about the number 12918388320 from the Numbermatics database.
Names of 12918388320
- Cardinal: 12918388320 can be written as Twelve billion, nine hundred eighteen million, three hundred eighty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 1.291838832 × 1010
Factors of 12918388320
Divisors of 12918388320
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1409 1440 2818 4227 5636 6367 7045 8454 11272 12681 12734 14090 16908 19101 21135 22544 25362 25468 28180 31835 33816 38202 42270 45088 50724 50936 56360 57303 63405 63670 67632 76404 84540 95505 101448 101872 112720 114606 126810 127340 135264 152808 169080 191010 202896 203744 225440 229212 253620 254680 286515 305616 338160 382020 405792 458424 507240 509360 573030 611232 676320 764040 916848 1014480 1018720 1146060 1528080 1833696 2028960 2292120 3056160 4584240 8971103 9168480 17942206 26913309 35884412 44855515 53826618 71768824 80739927 89711030 107653236 134566545 143537648 161479854 179422060 215306472 269133090 287075296 322959708 358844120 403699635 430612944 538266180 645919416 717688240 807399270 861225888 1076532360 1291838832 1435376480 1614798540 2153064720 2583677664 3229597080 4306129440 6459194160 12918388320
- Sum of all divisors σ(n): 44122216320
- Sum of proper divisors (its aliquot sum) s(n): 31203828000
- 12918388320 is an abundant number, because the sum of its proper divisors (31203828000) is greater than itself. Its abundance is 18285439680
Bases of 12918388320
- Binary: 11000000011111111011110110011000002
- Hexadecimal: 0x301FEF660
- Base-36: 5XN9W80
Squares and roots of 12918388320
- 12918388320 squared (129183883202) is 166884756786312422400
- 12918388320 cubed (129183883203) is 2155882092854339133403066368000
-
The
square root of 12918388320 is 113659.0881540055 -
The
cube root of 12918388320 is 2346.4039353039
Scales and comparisons
How big is 12918388320?- 12,918,388,320 seconds is equal to 410 years, 39 weeks, 5 days, 9 hours, 12 minutes.
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To count from 1 to 12,918,388,320 would take you about eight hundred twenty-one 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 12918388320 cubic inches would be around 195.5 feet tall.
Recreational maths with 12918388320
- 12918388320 backwards is 02388381921
- 12918388320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12918388320's digits is 45
- More coming soon!
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The information we have on file for 12918388320 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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