138243798
138,243,798 is an even composite number composed of five prime numbers multiplied together.
138243798 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138243798:
2 × 32 × 72 × 11 × 14249
(2 × 3 × 3 × 7 × 7 × 11 × 14249)See below for interesting mathematical facts about the number 138243798 from the Numbermatics database.
Names of 138243798
- Cardinal: 138243798 can be written as One hundred thirty-eight million, two hundred forty-three thousand, seven hundred ninety-eight.
Scientific notation
- Scientific notation: 1.38243798 × 108
Factors of 138243798
Divisors of 138243798
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 6 7 9 11 14 18 21 22 33 42 49 63 66 77 98 99 126 147 154 198 231 294 441 462 539 693 882 1078 1386 1617 3234 4851 9702 14249 28498 42747 85494 99743 128241 156739 199486 256482 299229 313478 470217 598458 698201 897687 940434 1097173 1396402 1410651 1795374 2094603 2194346 2821302 3291519 4189206 6283809 6583038 7680211 9874557 12567618 15360422 19749114 23040633 46081266 69121899 138243798
- Sum of all divisors σ(n): 380133000
- Sum of proper divisors (its aliquot sum) s(n): 241889202
- 138243798 is an abundant number, because the sum of its proper divisors (241889202) is greater than itself. Its abundance is 103645404
Bases of 138243798
- Binary: 10000011110101101110110101102
- Hexadecimal: 0x83D6ED6
- Base-36: 2AB1LI
Squares and roots of 138243798
- 138243798 squared (1382437982) is 19111347685464804
- 138243798 cubed (1382437983) is 2642025288937163900285592
-
The
square root of 138243798 is 11757.7122774799 -
The
cube root of 138243798 is 517.0690608323
Scales and comparisons
How big is 138243798?- 138,243,798 seconds is equal to 4 years, 20 weeks, 4 days, 1 hour, 3 minutes, 18 seconds.
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To count from 1 to 138,243,798 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 138243798 cubic inches would be around 43.1 feet tall.
Recreational maths with 138243798
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The information we have on file for 138243798 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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