128399 is an odd 6-digits prime number following 128398
and preceding 128400 . In scientific notation, it is written as 1.28399 × 10^5.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 128398 positive integers (up to 128399) that are relatively prime to 128399.
128399 has 2 divisors, whose sum is 128400
The reverse of 128399 is 993821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-eight thousand three hundred ninety-nine
Scientific notation
1.28399 × 10^5
Engineering notation
1.28399 × 10^3
Prime Factorization
128399
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128399
Product of the distinct prime numbers
The prime factorization of 128399 is 128399.
Since it has a total of 1 prime factors.
3 , 1 , 78 , 80 , 193 , 722 , 5474 , 4520 , 23301 , 39418 , 573914 , 205214 , 6795803 , 6282213 , 1823191 , 85403473 , 600009474 , 947665694 , 2651406514 , 1992276314
n×2
256798
n×3
385197
n×4
513596
n×5
641995
n÷2
64199.5
n÷3
42799.666666667
n÷3
32099.75
n÷5
25679.8
n2
16486303201
n3
2116824844705199
n4
2.717981932353E+20
n5
3.489861621322E+25
2 √n
358.32806197673
3 √n
50.449153147468
4 √n
18.929555250368
5 √n
10.512652969658
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128400
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64200
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
358.32945734338
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999984423676
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128399 can be divided by 2 positive divisors.
The sum of these divisors (counting 128399) is 128400, the average is 64200.
Base
System
Value
2
Binary
11111010110001111
3
Ternary
20112010112
4
Quaternary
133112033
5
Quinary
13102044
6
Senary
2430235
8
Octal
372617
10
Decimal
128399
12
Duodecimal
6237b
16
Hexadecimal
1f58f
20
Vigesimal
g0jj
36
Base36
2r2n
md5
6118941ba1e4a35150b9ae38987e1c2e
sha1
acde484fbc791edfd3b47243ab0601008938acfe
sha256
592db4c60c5a570558e7e3b8aabe38f1a1a7efe768f8032fdcfa820a42a5d461
sha512
bfc856a8baea232f4f7d797455e09a13dd6ab25f90cfb83d110048856e36116adaa14e449059985fa74664363d49f46027d536c8089b7e220bcfa85cfe1b82fc
ripemd-160
12cb442791e66f00522042cacde7c648a8c87a6b
Diameter
256798
Circumference
806754.71025655
Area
51793249021.115
Volume
8.8669351747496E+15
Surface area
207172996084.46
Circumference
806754.71025655
Perimeter
513596
Area
16486303201
Diagonal
181583.60719514
Surface area
98917819206
Volume
2116824844705199
Space diagonal
222393.59164104
Perimeter
385197
Area
7138778693.2794
Altitude
111196.79582052
Surface area
7138778693.2794
Volume
2.494702003792E+14
Height
60527.869065048