138438213534
138,438,213,534 is an even composite number composed of five prime numbers multiplied together.
138438213534 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 138438213534:
2 × 33 × 43 × 4583 × 13009
(2 × 3 × 3 × 3 × 43 × 4583 × 13009)See below for interesting mathematical facts about the number 138438213534 from the Numbermatics database.
Names of 138438213534
- Cardinal: 138438213534 can be written as One hundred thirty-eight billion, four hundred thirty-eight million, two hundred thirteen thousand, five hundred thirty-four.
Scientific notation
- Scientific notation: 1.38438213534 × 1011
Factors of 138438213534
Divisors of 138438213534
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 6 9 18 27 43 54 86 129 258 387 774 1161 2322 4583 9166 13009 13749 26018 27498 39027 41247 78054 82494 117081 123741 197069 234162 247482 351243 394138 559387 591207 702486 1118774 1182414 1678161 1773621 3356322 3547242 5034483 5320863 10068966 10641726 15103449 30206898 59620247 119240494 178860741 357721482 536582223 1073164446 1609746669 2563670621 3219493338 5127341242 7691011863 15382023726 23073035589 46146071178 69219106767 138438213534
- Sum of all divisors σ(n): 314887795200
- Sum of proper divisors (its aliquot sum) s(n): 176449581666
- 138438213534 is an abundant number, because the sum of its proper divisors (176449581666) is greater than itself. Its abundance is 38011368132
Bases of 138438213534
- Binary: 100000001110111000111101111111100111102
- Hexadecimal: 0x203B8F7F9E
- Base-36: 1RLIJD7I
Squares and roots of 138438213534
- 138438213534 squared (1384382135342) is 19165138966485380769156
- 138438213534 cubed (1384382135343) is 2653187600651087212409715488957304
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The
square root of 138438213534 is 372072.8605179367 -
The
cube root of 138438213534 is 5173.1133612571
Scales and comparisons
How big is 138438213534?- 138,438,213,534 seconds is equal to 4,401 years, 47 weeks, 1 day, 3 hours, 18 minutes, 54 seconds.
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To count from 1 to 138,438,213,534 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 138438213534 cubic inches would be around 431.1 feet tall.
Recreational maths with 138438213534
- 138438213534 backwards is 435312834831
- The number of decimal digits it has is: 12
- The sum of 138438213534's digits is 45
- More coming soon!
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