138390379855
138,390,379,855 is an odd composite number composed of six prime numbers multiplied together.
138390379855 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138390379855:
5 × 7 × 13 × 281 × 601 × 1801
See below for interesting mathematical facts about the number 138390379855 from the Numbermatics database.
Names of 138390379855
- Cardinal: 138390379855 can be written as One hundred thirty-eight billion, three hundred ninety million, three hundred seventy-nine thousand, eight hundred fifty-five.
Scientific notation
- Scientific notation: 1.38390379855 × 1011
Factors of 138390379855
Divisors of 138390379855
- Number of divisors d(n): 64
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Complete list of divisors:
1 5 7 13 35 65 91 281 455 601 1405 1801 1967 3005 3653 4207 7813 9005 9835 12607 18265 21035 23413 25571 39065 54691 63035 117065 127855 163891 168881 273455 506081 819455 844405 1082401 1182167 2195453 2530405 3542567 5412005 5910835 6579053 7576807 10977265 14071213 15368171 17712835 32895265 37884035 46053371 70356065 76840855 98498491 230266855 304154681 492492455 1520773405 2129082767 3954010853 10645413835 19770054265 27678075971 138390379855
- Sum of all divisors σ(n): 205574697216
- Sum of proper divisors (its aliquot sum) s(n): 67184317361
- 138390379855 is a deficient number, because the sum of its proper divisors (67184317361) is less than itself. Its deficiency is 71206062494
Bases of 138390379855
- Binary: 100000001110001011010110011101010011112
- Hexadecimal: 0x2038B59D4F
- Base-36: 1RKQ24I7
Squares and roots of 138390379855
- 138390379855 squared (1383903798552) is 19151897236411189821025
- 138390379855 cubed (1383903798553) is 2650438333490869296304159215451375
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The
square root of 138390379855 is 372008.5749750937 -
The
cube root of 138390379855 is 5172.5174815911
Scales and comparisons
How big is 138390379855?- 138,390,379,855 seconds is equal to 4,400 years, 20 weeks, 12 hours, 10 minutes, 55 seconds.
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To count from 1 to 138,390,379,855 would take you about eight thousand, eight hundred 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 138390379855 cubic inches would be around 431 feet tall.
Recreational maths with 138390379855
- 138390379855 backwards is 558973093831
- The number of decimal digits it has is: 12
- The sum of 138390379855's digits is 61
- More coming soon!
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The information we have on file for 138390379855 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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