138078486
138,078,486 is an even composite number composed of five prime numbers multiplied together.
138078486 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138078486:
2 × 33 × 7 × 13 × 28099
(2 × 3 × 3 × 3 × 7 × 13 × 28099)See below for interesting mathematical facts about the number 138078486 from the Numbermatics database.
Names of 138078486
- Cardinal: 138078486 can be written as One hundred thirty-eight million, seventy-eight thousand, four hundred eighty-six.
Scientific notation
- Scientific notation: 1.38078486 × 108
Factors of 138078486
Divisors of 138078486
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 182 189 234 273 351 378 546 702 819 1638 2457 4914 28099 56198 84297 168594 196693 252891 365287 393386 505782 590079 730574 758673 1095861 1180158 1517346 1770237 2191722 2557009 3287583 3540474 5114018 5310711 6575166 7671027 9862749 10621422 15342054 19725498 23013081 46026162 69039243 138078486
- Sum of all divisors σ(n): 377664000
- Sum of proper divisors (its aliquot sum) s(n): 239585514
- 138078486 is an abundant number, because the sum of its proper divisors (239585514) is greater than itself. Its abundance is 101507028
Bases of 138078486
- Binary: 10000011101011101001000101102
- Hexadecimal: 0x83AE916
- Base-36: 2A7I1I
Squares and roots of 138078486
- 138078486 squared (1380784862) is 19065668296052196
- 138078486 cubed (1380784863) is 2632558612897087000655256
-
The
square root of 138078486 is 11750.6802356289 -
The
cube root of 138078486 is 516.8628748141
Scales and comparisons
How big is 138078486?- 138,078,486 seconds is equal to 4 years, 20 weeks, 2 days, 3 hours, 8 minutes, 6 seconds.
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To count from 1 to 138,078,486 would take you about 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 138078486 cubic inches would be around 43.1 feet tall.
Recreational maths with 138078486
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