138388 is an even 6-digits composite number following 138387
and preceding 138389 . In scientific notation, it is written as 1.38388 × 10^5.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 66752 positive integers (up to 138388) that are relatively prime to 138388.
138388 has 12 divisors, whose sum is 250740
The reverse of 138388 is 883831
Previous prime number is 29
Is Prime? no
Number parity even
Number length 6
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-eight thousand three hundred eighty-eight
Scientific notation
1.38388 × 10^5
Engineering notation
1.38388 × 10^3
Prime Factorization
2 × 2 × 29 × 1193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69194
Product of the distinct prime numbers
The prime factorization of 138388 is 2 × 2 × 29 × 1193.
Since it has a total of 4 prime factors.
6 , 7 , 48 , 55 , 904 , 305 , 1858 , 2714 , 31208 , 65482 , 246057 , 827337 , 9431328 , 5276802 , 12418699 , 53512101 , 981286649 , 385957761 , 521623601 , 2664393325
n×2
276776
n×3
415164
n×4
553552
n×5
691940
n÷2
69194
n÷3
46129.333333333
n÷3
34597
n÷5
27677.6
n2
19151238544
n3
2650301599627072
n4
3.6676993776919E+20
n5
5.0756558148003E+25
2 √n
372.00537630524
3 √n
51.724878313795
4 √n
19.287440895703
5 √n
10.671357922082
1 , 2 , 4 , 29 , 58 , 116 , 1193 , 2386 , 4772 , 34597 , 69194 , 138388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138388 can be divided by 12 positive divisors.
The sum of these divisors (counting 138388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001110010010100
3
Ternary
21000211111
4
Quaternary
201302110
5
Quinary
13412023
6
Senary
2544404
8
Octal
416224
10
Decimal
138388
12
Duodecimal
68104
16
Hexadecimal
21c94
20
Vigesimal
h5j8
36
Base36
2ys4
md5
59414af1c3ce8d96b168bd7f9e40b7af
sha1
12d0672dfd10adbd3fb20329ecc81f6fb30fc735
sha256
2e9954a958a5155e502a3092309ccf244b188a52b9251d98ef3cddb8f3e246b4
sha512
7f085f69f1be338c311873b1af15a0a90729bb8008a48e09af1417a7d2e7b1cb10b8af93704910e6a71dc981ed21210e26b525de251a5e4126f29e434a15ef53
ripemd-160
862986db95c6d0fc332f4524a1df818413d1dde1
Diameter
276776
Circumference
869517.44828997
Area
60165390316.976
Volume
1.1101557380248E+16
Surface area
240661561267.9
Circumference
869517.44828997
Perimeter
553552
Area
19151238544
Diagonal
195710.18646969
Surface area
114907431264
Volume
2650301599627072
Space diagonal
239695.04715784
Perimeter
415164
Area
8292729546.5199
Altitude
119847.52357892
Surface area
8292729546.5199
Volume
3.1234103888098E+14
Height
65236.728823229