138349680
138,349,680 is an even composite number composed of five prime numbers multiplied together.
138349680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138349680:
24 × 3 × 5 × 7 × 82351
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 82351)See below for interesting mathematical facts about the number 138349680 from the Numbermatics database.
Names of 138349680
- Cardinal: 138349680 can be written as One hundred thirty-eight million, three hundred forty-nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.3834968 × 108
Factors of 138349680
Divisors of 138349680
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 82351 164702 247053 329404 411755 494106 576457 658808 823510 988212 1152914 1235265 1317616 1647020 1729371 1976424 2305828 2470530 2882285 3294040 3458742 3952848 4611656 4941060 5764570 6588080 6917484 8646855 9223312 9882120 11529140 13834968 17293710 19764240 23058280 27669936 34587420 46116560 69174840 138349680
- Sum of all divisors σ(n): 490159104
- Sum of proper divisors (its aliquot sum) s(n): 351809424
- 138349680 is an abundant number, because the sum of its proper divisors (351809424) is greater than itself. Its abundance is 213459744
Bases of 138349680
- Binary: 10000011111100001100011100002
- Hexadecimal: 0x83F0C70
- Base-36: 2ADBAO
Squares and roots of 138349680
- 138349680 squared (1383496802) is 19140633956102400
- 138349680 cubed (1383496803) is 2648100582823901087232000
-
The
square root of 138349680 is 11762.2140772901 -
The
cube root of 138349680 is 517.2010362159
Scales and comparisons
How big is 138349680?- 138,349,680 seconds is equal to 4 years, 20 weeks, 5 days, 6 hours, 28 minutes.
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To count from 1 to 138,349,680 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 138349680 cubic inches would be around 43.1 feet tall.
Recreational maths with 138349680
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