18138846440
18,138,846,440 is an even composite number composed of six prime numbers multiplied together.
18138846440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 18138846440:
23 × 5 × 11 × 13 × 1049 × 3023
(2 × 2 × 2 × 5 × 11 × 13 × 1049 × 3023)See below for interesting mathematical facts about the number 18138846440 from the Numbermatics database.
Names of 18138846440
- Cardinal: 18138846440 can be written as Eighteen billion, one hundred thirty-eight million, eight hundred forty-six thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.813884644 × 1010
Factors of 18138846440
Divisors of 18138846440
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1049 1144 1430 2098 2860 3023 4196 5245 5720 6046 8392 10490 11539 12092 13637 15115 20980 23078 24184 27274 30230 33253 39299 41960 46156 54548 57695 60460 66506 68185 78598 92312 109096 115390 120920 133012 136370 150007 157196 166265 196495 230780 266024 272740 300014 314392 332530 392990 432289 461560 545480 600028 665060 750035 785980 864578 1200056 1330120 1500070 1571960 1729156 2161445 3000140 3171127 3458312 4322890 6000280 6342254 8645780 12684508 15855635 17291560 25369016 31711270 34882397 41224651 63422540 69764794 82449302 126845080 139529588 164898604 174411985 206123255 279059176 329797208 348823970 412246510 453471161 697647940 824493020 906942322 1395295880 1648986040 1813884644 2267355805 3627769288 4534711610 9069423220 18138846440
- Sum of all divisors σ(n): 48009024000
- Sum of proper divisors (its aliquot sum) s(n): 29870177560
- 18138846440 is an abundant number, because the sum of its proper divisors (29870177560) is greater than itself. Its abundance is 11731331120
Bases of 18138846440
- Binary: 100001110010010100011010100111010002
- Hexadecimal: 0x43928D4E8
- Base-36: 8BZEFHK
Squares and roots of 18138846440
- 18138846440 squared (181388464402) is 329017750173900673600
- 18138846440 cubed (181388464403) is 5968002446438667614242961984000
-
The
square root of 18138846440 is 134680.5347479733 -
The
cube root of 18138846440 is 2627.4626716321
Scales and comparisons
How big is 18138846440?- 18,138,846,440 seconds is equal to 576 years, 39 weeks, 3 days, 8 hours, 27 minutes, 20 seconds.
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To count from 1 to 18,138,846,440 would take you about one thousand, one hundred fifty-three 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 18138846440 cubic inches would be around 219 feet tall.
Recreational maths with 18138846440
- 18138846440 backwards is 04464883181
- The number of decimal digits it has is: 11
- The sum of 18138846440's digits is 47
- More coming soon!
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The information we have on file for 18138846440 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!
Keywords: Divisors of 18138846440, math, Factors of 18138846440, curriculum, school, college, exams, university, Prime factorization of 18138846440, STEM, science, technology, engineering, physics, economics, calculator, eighteen billion, one hundred thirty-eight million, eight hundred forty-six thousand, four hundred forty.