18006421817865
18,006,421,817,865 is an odd composite number composed of six prime numbers multiplied together.
18006421817865 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 18006421817865:
3 × 5 × 13 × 331 × 1277 × 218461
See below for interesting mathematical facts about the number 18006421817865 from the Numbermatics database.
Names of 18006421817865
- Cardinal: 18006421817865 can be written as Eighteen trillion, six billion, four hundred twenty-one million, eight hundred seventeen thousand, eight hundred sixty-five.
Scientific notation
- Scientific notation: 1.8006421817865 × 1013
Factors of 18006421817865
Divisors of 18006421817865
- Number of divisors d(n): 64
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Complete list of divisors:
1 3 5 13 15 39 65 195 331 993 1277 1655 3831 4303 4965 6385 12909 16601 19155 21515 49803 64545 83005 218461 249015 422687 655383 1092305 1268061 2113435 2839993 3276915 5494931 6340305 8519979 14199965 16484793 27474655 42599895 72310591 82423965 216931773 278974697 361552955 836924091 940037683 1084658865 1394873485 2820113049 3626671061 4184620455 4700188415 10880013183 14100565245 18133355305 54400065915 92340624707 277021874121 461703123535 1200428121191 1385109370605 3601284363573 6002140605955 18006421817865
- Sum of all divisors σ(n): 31144697724672
- Sum of proper divisors (its aliquot sum) s(n): 13138275906807
- 18006421817865 is a deficient number, because the sum of its proper divisors (13138275906807) is less than itself. Its deficiency is 4868145911058
Bases of 18006421817865
- Binary: 1000001100000011100100110000001001010000010012
- Hexadecimal: 0x106072604A09
- Base-36: 6DS1AMZ9L
Squares and roots of 18006421817865
- 18006421817865 squared (180064218178652) is 324231226682884691233158225
- 18006421817865 cubed (180064218178653) is 5838244234175827455796744154369676689625
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The
square root of 18006421817865 is 4243397.4381225475 -
The
cube root of 18006421817865 is 26210.5302240971
Scales and comparisons
How big is 18006421817865?- 18,006,421,817,865 seconds is equal to 572,548 years, 26 weeks, 5 days, 22 hours, 17 minutes, 45 seconds.
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To count from 1 to 18,006,421,817,865 would take you about one million, four hundred thirty-one thousand, three hundred seventy-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 18006421817865 cubic inches would be around 2184.2 feet tall.
Recreational maths with 18006421817865
- 18006421817865 backwards is 56871812460081
- The number of decimal digits it has is: 14
- The sum of 18006421817865's digits is 57
- More coming soon!
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