18164839728
18,164,839,728 is an even composite number composed of six prime numbers multiplied together.
18164839728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 18164839728:
24 × 3 × 7 × 17 × 991 × 3209
(2 × 2 × 2 × 2 × 3 × 7 × 17 × 991 × 3209)See below for interesting mathematical facts about the number 18164839728 from the Numbermatics database.
Names of 18164839728
- Cardinal: 18164839728 can be written as Eighteen billion, one hundred sixty-four million, eight hundred thirty-nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.8164839728 × 1010
Factors of 18164839728
Divisors of 18164839728
- Number of divisors d(n): 160
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 336 357 408 476 714 816 952 991 1428 1904 1982 2856 2973 3209 3964 5712 5946 6418 6937 7928 9627 11892 12836 13874 15856 16847 19254 20811 22463 23784 25672 27748 33694 38508 41622 44926 47568 50541 51344 54553 55496 67388 67389 77016 83244 89852 101082 109106 110992 117929 134776 134778 154032 163659 166488 179704 202164 218212 235858 269552 269556 327318 332976 353787 359408 381871 404328 436424 471716 539112 654636 707574 763742 808656 872848 943432 1078224 1145613 1309272 1415148 1527484 1886864 2291226 2618544 2830296 3054968 3180119 4582452 5660592 6109936 6360238 9164904 9540357 12720476 18329808 19080714 22260833 25440952 38161428 44521666 50881904 54062023 66782499 76322856 89043332 108124046 133564998 152645712 162186069 178086664 216248092 267129996 324372138 356173328 378434161 432496184 534259992 648744276 756868322 864992368 1068519984 1135302483 1297488552 1513736644 2270604966 2594977104 3027473288 4541209932 6054946576 9082419864 18164839728
- Sum of all divisors σ(n): 56859217920
- Sum of proper divisors (its aliquot sum) s(n): 38694378192
- 18164839728 is an abundant number, because the sum of its proper divisors (38694378192) is greater than itself. Its abundance is 20529538464
Bases of 18164839728
- Binary: 100001110101011010101110101001100002
- Hexadecimal: 0x43AB57530
- Base-36: 8CEVK1C
Squares and roots of 18164839728
- 18164839728 squared (181648397282) is 329961402343927113984
- 18164839728 cubed (181648397283) is 5993695990003559559632947556352
-
The
square root of 18164839728 is 134776.9999962901 -
The
cube root of 18164839728 is 2628.7171394357
Scales and comparisons
How big is 18164839728?- 18,164,839,728 seconds is equal to 577 years, 30 weeks, 3 days, 4 hours, 48 minutes, 48 seconds.
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To count from 1 to 18,164,839,728 would take you about one thousand, one hundred fifty-five 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 18164839728 cubic inches would be around 219.1 feet tall.
Recreational maths with 18164839728
- 18164839728 backwards is 82793846181
- The number of decimal digits it has is: 11
- The sum of 18164839728's digits is 57
- More coming soon!
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The information we have on file for 18164839728 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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