138342394720
138,342,394,720 is an even composite number composed of four prime numbers multiplied together.
What does the number 138342394720 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.
138342394720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 138342394720:
25 × 5 × 83 × 10417349
(2 × 2 × 2 × 2 × 2 × 5 × 83 × 10417349)See below for interesting mathematical facts about the number 138342394720 from the Numbermatics database.
Names of 138342394720
- Cardinal: 138342394720 can be written as One hundred thirty-eight billion, three hundred forty-two million, three hundred ninety-four thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.3834239472 × 1011
Factors of 138342394720
Divisors of 138342394720
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 80 83 160 166 332 415 664 830 1328 1660 2656 3320 6640 13280 10417349 20834698 41669396 52086745 83338792 104173490 166677584 208346980 333355168 416693960 833387920 864639967 1666775840 1729279934 3458559868 4323199835 6917119736 8646399670 13834239472 17292799340 27668478944 34585598680 69171197360 138342394720
- Sum of all divisors σ(n): 330771697200
- Sum of proper divisors (its aliquot sum) s(n): 192429302480
- 138342394720 is an abundant number, because the sum of its proper divisors (192429302480) is greater than itself. Its abundance is 54086907760
Bases of 138342394720
- Binary: 100000001101011101100101101011011000002
- Hexadecimal: 0x2035D96B60
- Base-36: 1RJXHMXS
Squares and roots of 138342394720
- 138342394720 squared (1383423947202) is 19138618176864283878400
- 138342394720 cubed (1383423947203) is 2647682270219125532175745282048000
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The
square root of 138342394720 is 371944.0747209183 -
The
cube root of 138342394720 is 5171.9195772121
Scales and comparisons
How big is 138342394720?- 138,342,394,720 seconds is equal to 4,398 years, 44 weeks, 5 days, 2 hours, 58 minutes, 40 seconds.
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To count from 1 to 138,342,394,720 would take you about eight thousand, seven hundred ninety-seven 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 138342394720 cubic inches would be around 431 feet tall.
Recreational maths with 138342394720
- 138342394720 backwards is 027493243831
- The number of decimal digits it has is: 12
- The sum of 138342394720's digits is 46
- More coming soon!
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