18028729368
18,028,729,368 is an even composite number composed of five prime numbers multiplied together.
18028729368 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 18028729368:
23 × 32 × 132 × 43 × 34457
(2 × 2 × 2 × 3 × 3 × 13 × 13 × 43 × 34457)See below for interesting mathematical facts about the number 18028729368 from the Numbermatics database.
Names of 18028729368
- Cardinal: 18028729368 can be written as Eighteen billion, twenty-eight million, seven hundred twenty-nine thousand, three hundred sixty-eight.
Scientific notation
- Scientific notation: 1.8028729368 × 1010
Factors of 18028729368
Divisors of 18028729368
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 18 24 26 36 39 43 52 72 78 86 104 117 129 156 169 172 234 258 312 338 344 387 468 507 516 559 676 774 936 1014 1032 1118 1352 1521 1548 1677 2028 2236 3042 3096 3354 4056 4472 5031 6084 6708 7267 10062 12168 13416 14534 20124 21801 29068 34457 40248 43602 58136 65403 68914 87204 103371 130806 137828 174408 206742 261612 275656 310113 413484 447941 523224 620226 826968 895882 1240452 1343823 1481651 1791764 2480904 2687646 2963302 3583528 4031469 4444953 5375292 5823233 5926604 8062938 8889906 10750584 11646466 11853208 13334859 16125876 17469699 17779812 19261463 23292932 26669718 32251752 34939398 35559624 38522926 46585864 52409097 53339436 57784389 69878796 77045852 104818194 106678872 115568778 139757592 154091704 173353167 209636388 231137556 250399019 346706334 419272776 462275112 500798038 693412668 751197057 1001596076 1386825336 1502394114 2003192152 2253591171 3004788228 4507182342 6009576456 9014364684 18028729368
- Sum of all divisors σ(n): 54103884120
- Sum of proper divisors (its aliquot sum) s(n): 36075154752
- 18028729368 is an abundant number, because the sum of its proper divisors (36075154752) is greater than itself. Its abundance is 18046425384
Bases of 18028729368
- Binary: 100001100101001100010010100000110002
- Hexadecimal: 0x432989418
- Base-36: 8A5U8M0
Squares and roots of 18028729368
- 18028729368 squared (180287293682) is 325035082624585679424
- 18028729368 cubed (180287293683) is 5859969539744174357463702124032
-
The
square root of 18028729368 is 134271.1039948655 -
The
cube root of 18028729368 is 2622.1349538765
Scales and comparisons
How big is 18028729368?- 18,028,729,368 seconds is equal to 573 years, 13 weeks, 2 days, 20 hours, 22 minutes, 48 seconds.
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To count from 1 to 18,028,729,368 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 18028729368 cubic inches would be around 218.5 feet tall.
Recreational maths with 18028729368
- 18028729368 backwards is 86392782081
- The number of decimal digits it has is: 11
- The sum of 18028729368's digits is 54
- More coming soon!
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The information we have on file for 18028729368 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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