18009898518
18,009,898,518 is an even composite number composed of seven prime numbers multiplied together.
18009898518 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 18009898518:
2 × 3 × 23 × 37 × 53 × 61 × 1091
See below for interesting mathematical facts about the number 18009898518 from the Numbermatics database.
Names of 18009898518
- Cardinal: 18009898518 can be written as Eighteen billion, nine million, eight hundred ninety-eight thousand, five hundred eighteen.
Scientific notation
- Scientific notation: 1.8009898518 × 1010
Factors of 18009898518
Divisors of 18009898518
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 6 23 37 46 53 61 69 74 106 111 122 138 159 183 222 318 366 851 1091 1219 1403 1702 1961 2182 2257 2438 2553 2806 3233 3273 3657 3922 4209 4514 5106 5883 6466 6546 6771 7314 8418 9699 11766 13542 19398 25093 40367 45103 50186 51911 57823 66551 74359 75279 80734 90206 103822 115646 119621 121101 133102 135309 148718 150558 155733 173469 199653 223077 239242 242202 270618 311466 346938 358863 399306 446154 717726 928441 1329929 1530673 1856882 2139451 2462387 2659858 2751283 2785323 3061346 3527203 3989787 4278902 4592019 4924774 5502566 5570646 6418353 7054406 7387161 7979574 8253849 9184038 10581609 12836706 14774322 16507698 21163218 49207373 56634901 81125669 98414746 113269802 130506511 147622119 162251338 169904703 243377007 261013022 295244238 339809406 391519533 486754014 783039066 3001649753 6003299506 9004949259 18009898518
- Sum of all divisors σ(n): 40011439104
- Sum of proper divisors (its aliquot sum) s(n): 22001540586
- 18009898518 is an abundant number, because the sum of its proper divisors (22001540586) is greater than itself. Its abundance is 3991642068
Bases of 18009898518
- Binary: 100001100010111100100111110000101102
- Hexadecimal: 0x431793E16
- Base-36: 89UMMMU
Squares and roots of 18009898518
- 18009898518 squared (180098985182) is 324356444628658596324
- 18009898518 cubed (180098985183) is 5841626651421427514263567847832
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The
square root of 18009898518 is 134200.9631783617 -
The
cube root of 18009898518 is 2621.2217035069
Scales and comparisons
How big is 18009898518?- 18,009,898,518 seconds is equal to 572 years, 34 weeks, 1 day, 21 hours, 35 minutes, 18 seconds.
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To count from 1 to 18,009,898,518 would take you about one thousand, one hundred forty-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 18009898518 cubic inches would be around 218.4 feet tall.
Recreational maths with 18009898518
- 18009898518 backwards is 81589890081
- The number of decimal digits it has is: 11
- The sum of 18009898518's digits is 57
- More coming soon!
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