18021329664
18,021,329,664 is an even composite number composed of five prime numbers multiplied together.
18021329664 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 18021329664:
28 × 3 × 13 × 53 × 34057
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 53 × 34057)See below for interesting mathematical facts about the number 18021329664 from the Numbermatics database.
Names of 18021329664
- Cardinal: 18021329664 can be written as Eighteen billion, twenty-one million, three hundred twenty-nine thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 1.8021329664 × 1010
Factors of 18021329664
Divisors of 18021329664
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 53 64 78 96 104 106 128 156 159 192 208 212 256 312 318 384 416 424 624 636 689 768 832 848 1248 1272 1378 1664 1696 2067 2496 2544 2756 3328 3392 4134 4992 5088 5512 6784 8268 9984 10176 11024 13568 16536 20352 22048 33072 34057 40704 44096 66144 68114 88192 102171 132288 136228 176384 204342 264576 272456 408684 442741 529152 544912 817368 885482 1089824 1328223 1634736 1770964 1805021 2179648 2656446 3269472 3541928 3610042 4359296 5312892 5415063 6538944 7083856 7220084 8718592 10625784 10830126 13077888 14167712 14440168 21251568 21660252 23465273 26155776 28335424 28880336 42503136 43320504 46930546 56670848 57760672 70395819 85006272 86641008 93861092 113341696 115521344 140791638 170012544 173282016 187722184 231042688 281583276 340025088 346564032 375444368 462085376 563166552 693128064 750888736 1126333104 1386256128 1501777472 2252666208 3003554944 4505332416 6007109888 9010664832 18021329664
- Sum of all divisors σ(n): 52628601312
- Sum of proper divisors (its aliquot sum) s(n): 34607271648
- 18021329664 is an abundant number, because the sum of its proper divisors (34607271648) is greater than itself. Its abundance is 16585941984
Bases of 18021329664
- Binary: 100001100100010011110101011000000002
- Hexadecimal: 0x43227AB00
- Base-36: 8A1FMYO
Squares and roots of 18021329664
- 18021329664 squared (180213296642) is 324768322858566352896
- 18021329664 cubed (180213296643) is 5852757010658611091956977106944
-
The
square root of 18021329664 is 134243.5460795043 -
The
cube root of 18021329664 is 2621.7761621335
Scales and comparisons
How big is 18021329664?- 18,021,329,664 seconds is equal to 573 years, 1 week, 1 day, 4 hours, 54 minutes, 24 seconds.
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To count from 1 to 18,021,329,664 would take you about one thousand, one hundred forty-six 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 18021329664 cubic inches would be around 218.5 feet tall.
Recreational maths with 18021329664
- 18021329664 backwards is 46692312081
- The number of decimal digits it has is: 11
- The sum of 18021329664's digits is 42
- More coming soon!
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The information we have on file for 18021329664 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!
Keywords: Divisors of 18021329664, math, Factors of 18021329664, curriculum, school, college, exams, university, Prime factorization of 18021329664, STEM, science, technology, engineering, physics, economics, calculator, eighteen billion, twenty-one million, three hundred twenty-nine thousand, six hundred sixty-four.