18138138017272
18,138,138,017,272 is an even composite number composed of six prime numbers multiplied together.
18138138017272 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 18138138017272:
23 × 7 × 13 × 373 × 13913 × 4801
(2 × 2 × 2 × 7 × 13 × 373 × 13913 × 4801)See below for interesting mathematical facts about the number 18138138017272 from the Numbermatics database.
Names of 18138138017272
- Cardinal: 18138138017272 can be written as Eighteen trillion, one hundred thirty-eight billion, one hundred thirty-eight million, seventeen thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 1.8138138017272 × 1013
Factors of 18138138017272
Divisors of 18138138017272
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 373 728 746 1492 2611 2984 4801 4849 5222 9602 9698 10444 13913 19204 19396 20888 27826 33607 33943 38408 38792 55652 62413 67214 67886 97391 111304 124826 134428 135772 180869 194782 249652 268856 271544 361738 389564 436891 499304 723476 779128 873782 1266083 1446952 1747564 1790773 2532166 3495128 3581546 5064332 5189549 7163092 10128664 10379098 12535411 14326184 20758196 23280049 25070822 36326843 41516392 46560098 50141644 66796313 67464137 72653686 93120196 100283288 133592626 134928274 145307372 162960343 186240392 267185252 269856548 290614744 325920686 467574191 472248959 534370504 539713096 651841372 868352069 935148382 944497918 1303682744 1736704138 1870296764 1888995836 3473408276 3740593528 3777991672 6078464483 6946816552 12156928966 24313857932 24915024749 48627715864 49830049498 99660098996 174405173243 199320197992 323895321737 348810346486 647790643474 697620692972 1295581286948 1395241385944 2267267252159 2591162573896 4534534504318 9069069008636 18138138017272
- Sum of all divisors σ(n): 41981218392960
- Sum of proper divisors (its aliquot sum) s(n): 23843080375688
- 18138138017272 is an abundant number, because the sum of its proper divisors (23843080375688) is greater than itself. Its abundance is 5704942358416
Bases of 18138138017272
- Binary: 1000001111111000111010100010111111101111110002
- Hexadecimal: 0x107F1D45FDF8
- Base-36: 6FGJN296G
Squares and roots of 18138138017272
- 18138138017272 squared (181381380172722) is 328992050733607839370321984
- 18138138017272 cubed (181381380172723) is 5967303222791530928651607851829993307648
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The
square root of 18138138017272 is 4258889.2938502169 -
The
cube root of 18138138017272 is 26274.2846551523
Scales and comparisons
How big is 18138138017272?- 18,138,138,017,272 seconds is equal to 576,736 years, 35 weeks, 3 days, 23 hours, 27 minutes, 52 seconds.
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To count from 1 to 18,138,138,017,272 would take you about one million, four hundred forty-one thousand, eight hundred forty-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 18138138017272 cubic inches would be around 2189.5 feet tall.
Recreational maths with 18138138017272
- 18138138017272 backwards is 27271083183181
- 18138138017272 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 18138138017272's digits is 52
- More coming soon!
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