138390525
138,390,525 is an odd composite number composed of five prime numbers multiplied together.
138390525 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 138390525:
34 × 52 × 7 × 13 × 751
(3 × 3 × 3 × 3 × 5 × 5 × 7 × 13 × 751)See below for interesting mathematical facts about the number 138390525 from the Numbermatics database.
Names of 138390525
- Cardinal: 138390525 can be written as One hundred thirty-eight million, three hundred ninety thousand, five hundred twenty-five.
Scientific notation
- Scientific notation: 1.38390525 × 108
Factors of 138390525
Divisors of 138390525
- Number of divisors d(n): 120
-
Complete list of divisors:
1 3 5 7 9 13 15 21 25 27 35 39 45 63 65 75 81 91 105 117 135 175 189 195 225 273 315 325 351 405 455 525 567 585 675 751 819 945 975 1053 1365 1575 1755 2025 2253 2275 2457 2835 2925 3755 4095 4725 5257 5265 6759 6825 7371 8775 9763 11265 12285 14175 15771 18775 20277 20475 26285 26325 29289 33795 36855 47313 48815 56325 60831 61425 68341 78855 87867 101385 131425 141939 146445 168975 184275 205023 236565 244075 263601 304155 341705 394275 425817 439335 506925 615069 709695 732225 790803 1025115 1182825 1318005 1520775 1708525 1845207 2129085 2196675 3075345 3548475 3954015 5125575 5535621 6590025 9226035 10645425 15376725 19770075 27678105 46130175 138390525
- Sum of all divisors σ(n): 315924224
- Sum of proper divisors (its aliquot sum) s(n): 177533699
- 138390525 is an abundant number, because the sum of its proper divisors (177533699) is greater than itself. Its abundance is 39143174
Bases of 138390525
- Binary: 10000011111110101011111111012
- Hexadecimal: 0x83FABFD
- Base-36: 2AE6T9
Squares and roots of 138390525
- 138390525 squared (1383905252) is 19151937409775625
- 138390525 cubed (1383905253) is 2650446672905988875953125
-
The
square root of 138390525 is 11763.9502294083 -
The
cube root of 138390525 is 517.2519289917
Scales and comparisons
How big is 138390525?- 138,390,525 seconds is equal to 4 years, 20 weeks, 5 days, 17 hours, 48 minutes, 45 seconds.
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To count from 1 to 138,390,525 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 138390525 cubic inches would be around 43.1 feet tall.
Recreational maths with 138390525
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The information we have on file for 138390525 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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