138438993078
138,438,993,078 is an even composite number composed of five prime numbers multiplied together.
138438993078 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138438993078:
2 × 33 × 292 × 1093 × 2789
(2 × 3 × 3 × 3 × 29 × 29 × 1093 × 2789)See below for interesting mathematical facts about the number 138438993078 from the Numbermatics database.
Names of 138438993078
- Cardinal: 138438993078 can be written as One hundred thirty-eight billion, four hundred thirty-eight million, nine hundred ninety-three thousand and seventy-eight.
Scientific notation
- Scientific notation: 1.38438993078 × 1011
Factors of 138438993078
Divisors of 138438993078
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 841 1093 1566 1682 2186 2523 2789 3279 5046 5578 6558 7569 8367 9837 15138 16734 19674 22707 25101 29511 31697 45414 50202 59022 63394 75303 80881 95091 150606 161762 190182 242643 285273 485286 570546 727929 855819 919213 1455858 1711638 1838426 2183787 2345549 2757639 3048377 4367574 4691098 5515278 6096754 7036647 8272917 9145131 14073294 16545834 18290262 21109941 24818751 27435393 42219882 49637502 54870786 63329823 82306179 88402933 126659646 164612358 176805866 265208799 530417598 795626397 1591252794 2386879191 2563685057 4773758382 5127370114 7691055171 15382110342 23073165513 46146331026 69219496539 138438993078
- Sum of all divisors σ(n): 319022215200
- Sum of proper divisors (its aliquot sum) s(n): 180583222122
- 138438993078 is an abundant number, because the sum of its proper divisors (180583222122) is greater than itself. Its abundance is 42144229044
Bases of 138438993078
- Binary: 100000001110111001101101100100101101102
- Hexadecimal: 0x203B9B64B6
- Base-36: 1RLJ02PI
Squares and roots of 138438993078
- 138438993078 squared (1384389930782) is 19165354804450531914084
- 138438993078 cubed (1384389930783) is 2653232421110741231247292966710552
-
The
square root of 138438993078 is 372073.9080854771 -
The
cube root of 138438993078 is 5173.1230711527
Scales and comparisons
How big is 138438993078?- 138,438,993,078 seconds is equal to 4,401 years, 48 weeks, 3 days, 3 hours, 51 minutes, 18 seconds.
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To count from 1 to 138,438,993,078 would take you about eight thousand, eight hundred 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 138438993078 cubic inches would be around 431.1 feet tall.
Recreational maths with 138438993078
- 138438993078 backwards is 870399834831
- The number of decimal digits it has is: 12
- The sum of 138438993078's digits is 63
- More coming soon!
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