128539 is an odd 6-digits composite number following 128538
and preceding 128540 . In scientific notation, it is written as 1.28539 × 10^5.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 127624 positive integers (up to 128539) that are relatively prime to 128539.
128539 has 4 divisors, whose sum is 129456
The reverse of 128539 is 935821
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-eight thousand five hundred thirty-nine
Scientific notation
1.28539 × 10^5
Engineering notation
1.28539 × 10^3
Prime Factorization
173 × 743
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128539
Product of the distinct prime numbers
The prime factorization of 128539 is 173 × 743.
Since it has a total of 2 prime factors.
7 , 6 , 27 , 3 , 684 , 187 , 2702 , 7281 , 36802 , 43799 , 396414 , 297623 , 4041354 , 6826762 , 32505212 , 68344562 , 931927929 , 911523676 , 7089221969 , 8170387463
n×2
257078
n×3
385617
n×4
514156
n×5
642695
n÷2
64269.5
n÷3
42846.333333333
n÷3
32134.75
n÷5
25707.8
n2
16522274521
n3
2123756644654819
n4
2.7298555534729E+20
n5
3.5089290298785E+25
2 √n
358.52336046623
3 √n
50.467482251764
4 √n
18.934713107577
5 √n
10.514944467156
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128538
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128539 can be divided by 4 positive divisors.
The sum of these divisors (counting 128539) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111011000011011
3
Ternary
20112022201
4
Quaternary
133120123
5
Quinary
13103124
6
Senary
2431031
8
Octal
373033
10
Decimal
128539
12
Duodecimal
62477
16
Hexadecimal
1f61b
20
Vigesimal
g16j
36
Base36
2r6j
md5
f7abfe8f3615438374e3492086a84596
sha1
c87bcec0e825961e0260f38efaab27f87857b604
sha256
09dcb1ee4486e8c2843c50073cf650cb3db399ccca0a52d09522e33329a08841
sha512
a9d002d3b5b216046c509f984e57cfc0c4fab2812a008093f4be3298ee960271393a44cc676437bb6616ae1b7e6b3fcfea2f3400a9084e3e277859cea90be41b
ripemd-160
c1ab0e2942ebf39be4763d294c069bb4afbc5df2
Diameter
257078
Circumference
807634.35619956
Area
51906256255.767
Volume
8.8959710304801E+15
Surface area
207625025023.07
Circumference
807634.35619956
Perimeter
514156
Area
16522274521
Diagonal
181781.59709388
Surface area
99133647126
Volume
2123756644654819
Space diagonal
222636.0787541
Perimeter
385617
Area
7154354731.7432
Altitude
111318.03937705
Surface area
7154354731.7432
Volume
2.5028712083757E+14
Height
60593.865697958