18984320988
18,984,320,988 is an even composite number composed of five prime numbers multiplied together.
18984320988 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 18984320988:
22 × 3 × 172 × 103 × 53147
(2 × 2 × 3 × 17 × 17 × 103 × 53147)See below for interesting mathematical facts about the number 18984320988 from the Numbermatics database.
Names of 18984320988
- Cardinal: 18984320988 can be written as Eighteen billion, nine hundred eighty-four million, three hundred twenty thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 1.8984320988 × 1010
Factors of 18984320988
Divisors of 18984320988
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 12 17 34 51 68 102 103 204 206 289 309 412 578 618 867 1156 1236 1734 1751 3468 3502 5253 7004 10506 21012 29767 53147 59534 89301 106294 119068 159441 178602 212588 318882 357204 637764 903499 1806998 2710497 3613996 5420994 5474141 10841988 10948282 15359483 16422423 21896564 30718966 32844846 46078449 61437932 65689692 92156898 93060397 184313796 186120794 279181191 372241588 558362382 1116724764 1582026749 3164053498 4746080247 6328106996 9492160494 18984320988
- Sum of all divisors σ(n): 47513461632
- Sum of proper divisors (its aliquot sum) s(n): 28529140644
- 18984320988 is an abundant number, because the sum of its proper divisors (28529140644) is greater than itself. Its abundance is 9544819656
Bases of 18984320988
- Binary: 100011010111000110110111111110111002
- Hexadecimal: 0x46B8DBFDC
- Base-36: 8PYRVTO
Squares and roots of 18984320988
- 18984320988 squared (189843209882) is 360404443375417296144
- 18984320988 cubed (189843209883) is 6842033638540392138444750670272
-
The
square root of 18984320988 is 137783.6020286885 -
The
cube root of 18984320988 is 2667.6674484567
Scales and comparisons
How big is 18984320988?- 18,984,320,988 seconds is equal to 603 years, 33 weeks, 2 days, 22 hours, 29 minutes, 48 seconds.
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To count from 1 to 18,984,320,988 would take you about one thousand, two hundred seven 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 18984320988 cubic inches would be around 222.3 feet tall.
Recreational maths with 18984320988
- 18984320988 backwards is 88902348981
- The number of decimal digits it has is: 11
- The sum of 18984320988's digits is 60
- More coming soon!
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The information we have on file for 18984320988 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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