138481740
138,481,740 is an even composite number composed of five prime numbers multiplied together.
138481740 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138481740:
22 × 32 × 5 × 47 × 16369
(2 × 2 × 3 × 3 × 5 × 47 × 16369)See below for interesting mathematical facts about the number 138481740 from the Numbermatics database.
Names of 138481740
- Cardinal: 138481740 can be written as One hundred thirty-eight million, four hundred eighty-one thousand, seven hundred forty.
Scientific notation
- Scientific notation: 1.3848174 × 108
Factors of 138481740
Divisors of 138481740
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 47 60 90 94 141 180 188 235 282 423 470 564 705 846 940 1410 1692 2115 2820 4230 8460 16369 32738 49107 65476 81845 98214 147321 163690 196428 245535 294642 327380 491070 589284 736605 769343 982140 1473210 1538686 2308029 2946420 3077372 3846715 4616058 6924087 7693430 9232116 11540145 13848174 15386860 23080290 27696348 34620435 46160580 69240870 138481740
- Sum of all divisors σ(n): 429024960
- Sum of proper divisors (its aliquot sum) s(n): 290543220
- 138481740 is an abundant number, because the sum of its proper divisors (290543220) is greater than itself. Its abundance is 152061480
Bases of 138481740
- Binary: 10000100000100010000010011002
- Hexadecimal: 0x841104C
- Base-36: 2AG570
Squares and roots of 138481740
- 138481740 squared (1384817402) is 19177192313427600
- 138481740 cubed (1384817403) is 2655690959878079412024000
-
The
square root of 138481740 is 11767.8264773067 -
The
cube root of 138481740 is 517.3655465307
Scales and comparisons
How big is 138481740?- 138,481,740 seconds is equal to 4 years, 20 weeks, 6 days, 19 hours, 9 minutes.
-
To count from 1 to 138,481,740 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 138481740 cubic inches would be around 43.1 feet tall.
Recreational maths with 138481740
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The information we have on file for 138481740 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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