138818372
138,818,372 is an even composite number composed of five prime numbers multiplied together.
138818372 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138818372:
22 × 72 × 11 × 312 × 67
(2 × 2 × 7 × 7 × 11 × 31 × 31 × 67)See below for interesting mathematical facts about the number 138818372 from the Numbermatics database.
Names of 138818372
- Cardinal: 138818372 can be written as One hundred thirty-eight million, eight hundred eighteen thousand, three hundred seventy-two.
Scientific notation
- Scientific notation: 1.38818372 × 108
Factors of 138818372
Divisors of 138818372
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 4 7 11 14 22 28 31 44 49 62 67 77 98 124 134 154 196 217 268 308 341 434 469 539 682 737 868 938 961 1078 1364 1474 1519 1876 1922 2077 2156 2387 2948 3038 3283 3844 4154 4774 5159 6076 6566 6727 8308 9548 10318 10571 13132 13454 14539 16709 20636 21142 22847 26908 29078 33418 36113 42284 45694 47089 58156 64387 66836 72226 73997 91388 94178 101773 128774 144452 147994 159929 188356 203546 257548 295988 319858 407092 450709 517979 639716 708257 901418 1035958 1119503 1416514 1802836 2071916 2239006 2833028 3154963 4478012 4957799 6309926 9915598 12619852 19831196 34704593 69409186 138818372
- Sum of all divisors σ(n): 323304912
- Sum of proper divisors (its aliquot sum) s(n): 184486540
- 138818372 is an abundant number, because the sum of its proper divisors (184486540) is greater than itself. Its abundance is 45668168
Bases of 138818372
- Binary: 10000100011000110011010001002
- Hexadecimal: 0x8463344
- Base-36: 2ANCXW
Squares and roots of 138818372
- 138818372 squared (1388183722) is 19270540404730384
- 138818372 cubed (1388183723) is 2675105046544893005814848
-
The
square root of 138818372 is 11782.1208617125 -
The
cube root of 138818372 is 517.7844245407
Scales and comparisons
How big is 138818372?- 138,818,372 seconds is equal to 4 years, 21 weeks, 3 days, 16 hours, 39 minutes, 32 seconds.
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To count from 1 to 138,818,372 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 138818372 cubic inches would be around 43.1 feet tall.
Recreational maths with 138818372
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The information we have on file for 138818372 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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