128394 is an even 6-digits composite number following 128393
and preceding 128395 . In scientific notation, it is written as 1.28394 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 36648 positive integers (up to 128394) that are relatively prime to 128394.
128394 has 16 divisors, whose sum is 269280
The reverse of 128394 is 493821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight thousand three hundred ninety-four
Scientific notation
1.28394 × 10^5
Engineering notation
1.28394 × 10^3
Prime Factorization
2 × 21 × 3 × 1019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128394
Product of the distinct prime numbers
The prime factorization of 128394 is 2 × 21 × 3 × 1019.
Since it has a total of 4 prime factors.
4 , 1 , 61 , 68 , 775 , 488 , 7185 , 3085 , 2682 , 29697 , 403591 , 182005 , 5275630 , 8479097 , 27131800 , 52168513 , 350930431 , 279768426 , 6825779081 , 9364016840
n×2
256788
n×3
385182
n×4
513576
n×5
641970
n÷2
64197
n÷3
42798
n÷3
32098.5
n÷5
25678.8
n2
16485019236
n3
2116577559786984
n4
2.7175585921129E+20
n5
3.4891821787574E+25
2 √n
358.32108506199
3 √n
50.448498290239
4 √n
18.929370963188
5 √n
10.5125710935
1 , 2 , 3 , 6 , 21 , 42 , 63 , 126 , 1019 , 2038 , 3057 , 6114 , 21399 , 42798 , 64197 , 128394
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128394 can be divided by 16 positive divisors.
The sum of these divisors (counting 128394) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111010110001010
3
Ternary
20112010100
4
Quaternary
133112022
5
Quinary
13102034
6
Senary
2430230
8
Octal
372612
10
Decimal
128394
12
Duodecimal
62376
16
Hexadecimal
1f58a
20
Vigesimal
g0je
36
Base36
2r2i
md5
6385db535c50d5bfe89bee1e5dd7cedb
sha1
bfe14130cfa7783c57cf24053b53183eeaa6ec69
sha256
710f5d560594a2bc485576eb07dd3a6aafed9f8a9d047ad97c43399a4de1b6e4
sha512
24dbb731d087bfb7db80fee011b0bbeff8266ed516059a6a14be95e270031ce47e6247fd3186429fbea28d712cd75cd01ca0a2d208d4ef1e867e0c1b922a83ad
ripemd-160
0f89dc77aa7e8921431494ff25f296bb0df4bd2b
Diameter
256788
Circumference
806723.29433002
Area
51789215326.104
Volume
8.8658993501064E+15
Surface area
207156861304.42
Circumference
806723.29433002
Perimeter
513576
Area
16485019236
Diagonal
181576.53612733
Surface area
98910115416
Volume
2116577559786984
Space diagonal
222384.931387
Perimeter
385182
Area
7138222720.1256
Altitude
111192.4656935
Surface area
7138222720.1256
Volume
2.4944105757211E+14
Height
60525.512042444