138538750
138,538,750 is an even composite number composed of five prime numbers multiplied together.
138538750 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 138538750:
2 × 54 × 7 × 71 × 223
(2 × 5 × 5 × 5 × 5 × 7 × 71 × 223)See below for interesting mathematical facts about the number 138538750 from the Numbermatics database.
Names of 138538750
- Cardinal: 138538750 can be written as One hundred thirty-eight million, five hundred thirty-eight thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 1.3853875 × 108
Factors of 138538750
Divisors of 138538750
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 5 7 10 14 25 35 50 70 71 125 142 175 223 250 350 355 446 497 625 710 875 994 1115 1250 1561 1750 1775 2230 2485 3122 3550 4375 4970 5575 7805 8750 8875 11150 12425 15610 15833 17750 24850 27875 31666 39025 44375 55750 62125 78050 79165 88750 110831 124250 139375 158330 195125 221662 278750 310625 390250 395825 554155 621250 791650 975625 1108310 1951250 1979125 2770775 3958250 5541550 9895625 13853875 19791250 27707750 69269375 138538750
- Sum of all divisors σ(n): 302303232
- Sum of proper divisors (its aliquot sum) s(n): 163764482
- 138538750 is an abundant number, because the sum of its proper divisors (163764482) is greater than itself. Its abundance is 25225732
Bases of 138538750
- Binary: 10000100000111101110111111102
- Hexadecimal: 0x841EEFE
- Base-36: 2AHD6M
Squares and roots of 138538750
- 138538750 squared (1385387502) is 19192985251562500
- 138538750 cubed (1385387503) is 2658972185519904296875000
-
The
square root of 138538750 is 11770.2485105455 -
The
cube root of 138538750 is 517.4365329369
Scales and comparisons
How big is 138538750?- 138,538,750 seconds is equal to 4 years, 21 weeks, 10 hours, 59 minutes, 10 seconds.
-
To count from 1 to 138,538,750 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 138538750 cubic inches would be around 43.1 feet tall.
Recreational maths with 138538750
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The information we have on file for 138538750 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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