18078492642
18,078,492,642 is an even composite number composed of seven prime numbers multiplied together.
What does the number 18078492642 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 128 divisors.
18078492642 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 18078492642:
2 × 3 × 7 × 29 × 31 × 521 × 919
See below for interesting mathematical facts about the number 18078492642 from the Numbermatics database.
Names of 18078492642
- Cardinal: 18078492642 can be written as Eighteen billion, seventy-eight million, four hundred ninety-two thousand, six hundred forty-two.
Scientific notation
- Scientific notation: 1.8078492642 × 1010
Factors of 18078492642
Divisors of 18078492642
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 6 7 14 21 29 31 42 58 62 87 93 174 186 203 217 406 434 521 609 651 899 919 1042 1218 1302 1563 1798 1838 2697 2757 3126 3647 5394 5514 6293 6433 7294 10941 12586 12866 15109 16151 18879 19299 21882 26651 28489 30218 32302 37758 38598 45327 48453 53302 56978 79953 85467 90654 96906 105763 113057 159906 170934 186557 199423 211526 226114 317289 339171 373114 398846 468379 478799 559671 598269 634578 678342 826181 936758 957598 1119342 1196538 1405137 1436397 1652362 2478543 2810274 2872794 3278653 3351593 4957086 5783267 6557306 6703186 9835959 10054779 11566534 13885171 14842769 17349801 19671918 20109558 27770342 29685538 34699602 41655513 44528307 83311026 89056614 97196197 103899383 194392394 207798766 291588591 311698149 430440301 583177182 623396298 860880602 1291320903 2582641806 3013082107 6026164214 9039246321 18078492642
- Sum of all divisors σ(n): 44258918400
- Sum of proper divisors (its aliquot sum) s(n): 26180425758
- 18078492642 is an abundant number, because the sum of its proper divisors (26180425758) is greater than itself. Its abundance is 8101933116
Bases of 18078492642
- Binary: 100001101011000111111100111111000102
- Hexadecimal: 0x4358FE7E2
- Base-36: 8AZGU76
Squares and roots of 18078492642
- 18078492642 squared (180784926422) is 326831896206848140164
- 18078492642 cubed (180784926423) is 5908628030746411811966258673288
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The
square root of 18078492642 is 134456.2852454283 -
The
cube root of 18078492642 is 2624.5452947005
Scales and comparisons
How big is 18078492642?- 18,078,492,642 seconds is equal to 574 years, 43 weeks, 4 days, 19 hours, 30 minutes, 42 seconds.
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To count from 1 to 18,078,492,642 would take you about one thousand, one hundred forty-nine 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 18078492642 cubic inches would be around 218.7 feet tall.
Recreational maths with 18078492642
- 18078492642 backwards is 24629487081
- The number of decimal digits it has is: 11
- The sum of 18078492642's digits is 51
- More coming soon!
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Keywords: Divisors of 18078492642, math, Factors of 18078492642, curriculum, school, college, exams, university, Prime factorization of 18078492642, STEM, science, technology, engineering, physics, economics, calculator, eighteen billion, seventy-eight million, four hundred ninety-two thousand, six hundred forty-two.