138653988
138,653,988 is an even composite number composed of five prime numbers multiplied together.
138653988 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 138653988:
22 × 3 × 11 × 292 × 1249
(2 × 2 × 3 × 11 × 29 × 29 × 1249)See below for interesting mathematical facts about the number 138653988 from the Numbermatics database.
Names of 138653988
- Cardinal: 138653988 can be written as One hundred thirty-eight million, six hundred fifty-three thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 1.38653988 × 108
Factors of 138653988
Divisors of 138653988
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 11 12 22 29 33 44 58 66 87 116 132 174 319 348 638 841 957 1249 1276 1682 1914 2498 2523 3364 3747 3828 4996 5046 7494 9251 10092 13739 14988 18502 27478 27753 36221 37004 41217 54956 55506 72442 82434 108663 111012 144884 164868 217326 398431 434652 796862 1050409 1195293 1593724 2100818 2390586 3151227 4201636 4781172 6302454 11554499 12604908 23108998 34663497 46217996 69326994 138653988
- Sum of all divisors σ(n): 365820000
- Sum of proper divisors (its aliquot sum) s(n): 227166012
- 138653988 is an abundant number, because the sum of its proper divisors (227166012) is greater than itself. Its abundance is 88512024
Bases of 138653988
- Binary: 10000100001110110001001001002
- Hexadecimal: 0x843B124
- Base-36: 2AJU3O
Squares and roots of 138653988
- 138653988 squared (1386539882) is 19224928388304144
- 138653988 cubed (1386539883) is 2665612990052782122526272
-
The
square root of 138653988 is 11775.1428016819 -
The
cube root of 138653988 is 517.5799629057
Scales and comparisons
How big is 138653988?- 138,653,988 seconds is equal to 4 years, 21 weeks, 1 day, 18 hours, 59 minutes, 48 seconds.
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To count from 1 to 138,653,988 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 138653988 cubic inches would be around 43.1 feet tall.
Recreational maths with 138653988
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The information we have on file for 138653988 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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