138937645872
138,937,645,872 is an even composite number composed of four prime numbers multiplied together.
What does the number 138937645872 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 80 divisors.
138937645872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138937645872:
24 × 33 × 8693 × 36997
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 8693 × 36997)See below for interesting mathematical facts about the number 138937645872 from the Numbermatics database.
Names of 138937645872
- Cardinal: 138937645872 can be written as One hundred thirty-eight billion, nine hundred thirty-seven million, six hundred forty-five thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.38937645872 × 1011
Factors of 138937645872
Divisors of 138937645872
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 8693 17386 26079 34772 36997 52158 69544 73994 78237 104316 110991 139088 147988 156474 208632 221982 234711 295976 312948 332973 417264 443964 469422 591952 625896 665946 887928 938844 998919 1251792 1331892 1775856 1877688 1997838 2663784 3755376 3995676 5327568 7991352 15982704 321614921 643229842 964844763 1286459684 1929689526 2572919368 2894534289 3859379052 5145838736 5789068578 7718758104 8683602867 11578137156 15437516208 17367205734 23156274312 34734411468 46312548624 69468822936 138937645872
- Sum of all divisors σ(n): 398859158880
- Sum of proper divisors (its aliquot sum) s(n): 259921513008
- 138937645872 is an abundant number, because the sum of its proper divisors (259921513008) is greater than itself. Its abundance is 120983867136
Bases of 138937645872
- Binary: 100000010110010101010000111011001100002
- Hexadecimal: 0x2059543B30
- Base-36: 1RTRVXO0
Squares and roots of 138937645872
- 138937645872 squared (1389376458722) is 19303669440453278640384
- 138937645872 cubed (1389376458723) is 2682006388747846018899013830094848
-
The
square root of 138937645872 is 372743.4048672089 -
The
cube root of 138937645872 is 5179.3267694895
Scales and comparisons
How big is 138937645872?- 138,937,645,872 seconds is equal to 4,417 years, 40 weeks, 6 days, 14 hours, 31 minutes, 12 seconds.
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To count from 1 to 138,937,645,872 would take you about eight thousand, eight hundred thirty-five 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 138937645872 cubic inches would be around 431.6 feet tall.
Recreational maths with 138937645872
- 138937645872 backwards is 278546739831
- The number of decimal digits it has is: 12
- The sum of 138937645872's digits is 63
- More coming soon!
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Keywords: Divisors of 138937645872, math, Factors of 138937645872, curriculum, school, college, exams, university, Prime factorization of 138937645872, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight billion, nine hundred thirty-seven million, six hundred forty-five thousand, eight hundred seventy-two.