18027129920
18,027,129,920 is an even composite number composed of four prime numbers multiplied together.
18027129920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty divisors.
Prime factorization of 18027129920:
26 × 5 × 314 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 31 × 31 × 31 × 61)See below for interesting mathematical facts about the number 18027129920 from the Numbermatics database.
Names of 18027129920
- Cardinal: 18027129920 can be written as Eighteen billion, twenty-seven million, one hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.802712992 × 1010
Factors of 18027129920
Divisors of 18027129920
- Number of divisors d(n): 140
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 61 62 64 80 122 124 155 160 244 248 305 310 320 488 496 610 620 961 976 992 1220 1240 1891 1922 1952 1984 2440 2480 3782 3844 3904 4805 4880 4960 7564 7688 9455 9610 9760 9920 15128 15376 18910 19220 19520 29791 30256 30752 37820 38440 58621 59582 60512 61504 75640 76880 117242 119164 121024 148955 151280 153760 234484 238328 293105 297910 302560 307520 468968 476656 586210 595820 605120 923521 937936 953312 1172420 1191640 1817251 1847042 1875872 1906624 2344840 2383280 3634502 3694084 3751744 4617605 4689680 4766560 7269004 7388168 9086255 9235210 9379360 9533120 14538008 14776336 18172510 18470420 18758720 29076016 29552672 36345020 36940840 56334781 58152032 59105344 72690040 73881680 112669562 116304064 145380080 147763360 225339124 281673905 290760160 295526720 450678248 563347810 581520320 901356496 1126695620 1802712992 2253391240 3605425984 4506782480 9013564960 18027129920
- Sum of all divisors σ(n): 45085185420
- Sum of proper divisors (its aliquot sum) s(n): 27058055500
- 18027129920 is an abundant number, because the sum of its proper divisors (27058055500) is greater than itself. Its abundance is 9030925580
Bases of 18027129920
- Binary: 100001100101000000000101100010000002
- Hexadecimal: 0x432802C40
- Base-36: 8A4VYGW
Squares and roots of 18027129920
- 18027129920 squared (180271299202) is 324977413152559206400
- 18027129920 cubed (180271299203) is 5858410047966701594264895488000
-
The
square root of 18027129920 is 134265.1478232531 -
The
cube root of 18027129920 is 2622.0574092631
Scales and comparisons
How big is 18027129920?- 18,027,129,920 seconds is equal to 573 years, 10 weeks, 5 days, 8 hours, 5 minutes, 20 seconds.
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To count from 1 to 18,027,129,920 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 18027129920 cubic inches would be around 218.5 feet tall.
Recreational maths with 18027129920
- 18027129920 backwards is 02992172081
- The number of decimal digits it has is: 11
- The sum of 18027129920's digits is 41
- More coming soon!
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The information we have on file for 18027129920 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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