138395520
138,395,520 is an even composite number composed of four prime numbers multiplied together.
138395520 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138395520:
27 × 33 × 5 × 8009
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 8009)See below for interesting mathematical facts about the number 138395520 from the Numbermatics database.
Names of 138395520
- Cardinal: 138395520 can be written as One hundred thirty-eight million, three hundred ninety-five thousand, five hundred twenty.
Scientific notation
- Scientific notation: 1.3839552 × 108
Factors of 138395520
Divisors of 138395520
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3456 4320 5760 8009 8640 16018 17280 24027 32036 40045 48054 64072 72081 80090 96108 120135 128144 144162 160180 192216 216243 240270 256288 288324 320360 360405 384432 432486 480540 512576 576648 640720 720810 768864 864972 961080 1025152 1081215 1153296 1281440 1441620 1537728 1729944 1922160 2162430 2306592 2562880 2883240 3075456 3459888 3844320 4324860 4613184 5125760 5766480 6919776 7688640 8649720 9226368 11532960 13839552 15377280 17299440 23065920 27679104 34598880 46131840 69197760 138395520
- Sum of all divisors σ(n): 490212000
- Sum of proper divisors (its aliquot sum) s(n): 351816480
- 138395520 is an abundant number, because the sum of its proper divisors (351816480) is greater than itself. Its abundance is 213420960
Bases of 138395520
- Binary: 10000011111110111111100000002
- Hexadecimal: 0x83FBF80
- Base-36: 2AEAO0
Squares and roots of 138395520
- 138395520 squared (1383955202) is 19153319956070400
- 138395520 cubed (1383955203) is 2650733675046740164608000
-
The
square root of 138395520 is 11764.1625286291 -
The
cube root of 138395520 is 517.2581520629
Scales and comparisons
How big is 138395520?- 138,395,520 seconds is equal to 4 years, 20 weeks, 5 days, 19 hours, 12 minutes.
-
To count from 1 to 138,395,520 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 138395520 cubic inches would be around 43.1 feet tall.
Recreational maths with 138395520
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The information we have on file for 138395520 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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