138892644
138,892,644 is an even composite number composed of four prime numbers multiplied together.
138892644 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 138892644:
22 × 34 × 11 × 38971
(2 × 2 × 3 × 3 × 3 × 3 × 11 × 38971)See below for interesting mathematical facts about the number 138892644 from the Numbermatics database.
Names of 138892644
- Cardinal: 138892644 can be written as One hundred thirty-eight million, eight hundred ninety-two thousand, six hundred forty-four.
Scientific notation
- Scientific notation: 1.38892644 × 108
Factors of 138892644
Divisors of 138892644
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 297 324 396 594 891 1188 1782 3564 38971 77942 116913 155884 233826 350739 428681 467652 701478 857362 1052217 1286043 1402956 1714724 2104434 2572086 3156651 3858129 4208868 5144172 6313302 7716258 11574387 12626604 15432516 23148774 34723161 46297548 69446322 138892644
- Sum of all divisors σ(n): 396111408
- Sum of proper divisors (its aliquot sum) s(n): 257218764
- 138892644 is an abundant number, because the sum of its proper divisors (257218764) is greater than itself. Its abundance is 118326120
Bases of 138892644
- Binary: 10000100011101010101011001002
- Hexadecimal: 0x8475564
- Base-36: 2AOY90
Squares and roots of 138892644
- 138892644 squared (1388926442) is 19291166557310736
- 138892644 cubed (1388926443) is 2679401128989265652625984
-
The
square root of 138892644 is 11785.2723345709 -
The
cube root of 138892644 is 517.8767514849
Scales and comparisons
How big is 138892644?- 138,892,644 seconds is equal to 4 years, 21 weeks, 4 days, 13 hours, 17 minutes, 24 seconds.
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To count from 1 to 138,892,644 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 138892644 cubic inches would be around 43.2 feet tall.
Recreational maths with 138892644
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