138993664
138,993,664 is an even composite number composed of three prime numbers multiplied together.
138993664 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 138993664:
213 × 192 × 47
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 19 × 47)See below for interesting mathematical facts about the number 138993664 from the Numbermatics database.
Names of 138993664
- Cardinal: 138993664 can be written as One hundred thirty-eight million, nine hundred ninety-three thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 1.38993664 × 108
Factors of 138993664
Divisors of 138993664
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 4 8 16 19 32 38 47 64 76 94 128 152 188 256 304 361 376 512 608 722 752 893 1024 1216 1444 1504 1786 2048 2432 2888 3008 3572 4096 4864 5776 6016 7144 8192 9728 11552 12032 14288 16967 19456 23104 24064 28576 33934 38912 46208 48128 57152 67868 77824 92416 96256 114304 135736 155648 184832 192512 228608 271472 369664 385024 457216 542944 739328 914432 1085888 1478656 1828864 2171776 2957312 3657728 4343552 7315456 8687104 17374208 34748416 69496832 138993664
- Sum of all divisors σ(n): 299612304
- Sum of proper divisors (its aliquot sum) s(n): 160618640
- 138993664 is an abundant number, because the sum of its proper divisors (160618640) is greater than itself. Its abundance is 21624976
Bases of 138993664
- Binary: 10000100100011100000000000002
- Hexadecimal: 0x848E000
- Base-36: 2AR474
Squares and roots of 138993664
- 138993664 squared (1389936642) is 19319238632144896
- 138993664 cubed (1389936643) is 2685251763172167273938944
-
The
square root of 138993664 is 11789.5574132365 -
The
cube root of 138993664 is 518.0022758455
Scales and comparisons
How big is 138993664?- 138,993,664 seconds is equal to 4 years, 21 weeks, 5 days, 17 hours, 21 minutes, 4 seconds.
-
To count from 1 to 138,993,664 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 138993664 cubic inches would be around 43.2 feet tall.
Recreational maths with 138993664
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Keywords: Divisors of 138993664, math, Factors of 138993664, curriculum, school, college, exams, university, Prime factorization of 138993664, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight million, nine hundred ninety-three thousand, six hundred sixty-four.