128280 is an even 6-digits composite number following 128279
and preceding 128281 . In scientific notation, it is written as 1.28280 × 10^5.
The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors.
There are 34176 positive integers (up to 128280) that are relatively prime to 128280.
128280 has 32 divisors, whose sum is 385200
The reverse of 128280 is 082821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-eight thousand two hundred eighty
Scientific notation
1.28280 × 10^5
Engineering notation
1.28280 × 10^3
Prime Factorization
2 × 2 × 2 × 3 × 5 × 1069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32070
Product of the distinct prime numbers
The prime factorization of 128280 is 2 × 2 × 2 × 3 × 5 × 1069.
Since it has a total of 6 prime factors.
1 , 5 , 83 , 46 , 709 , 74 , 5969 , 8017 , 71653 , 80217 , 441794 , 974527 , 570956 , 1015379 , 41091320 , 32972316 , 856808084 , 543553695 , 7542673938 , 3997319900
n×2
256560
n×3
384840
n×4
513120
n×5
641400
n÷2
64140
n÷3
42760
n÷3
32070
n÷5
25656
n2
16455758400
n3
2110944687552000
n4
2.7079198451917E+20
n5
3.4737195774119E+25
2 √n
358.16197453108
3 √n
50.433562930404
4 √n
18.925167754371
5 √n
10.510703624673
1 , 2 , 3 , 4 , 5 , 6 , 8 , 10 , 12 , 15 , 20 , 24 , 30 , 40 , 60 , 120 , 1069 , 2138 , 3207 , 4276 , 5345 , 6414 , 8552 , 10690 , 12828 , 16035 , 21380 , 25656 , 32070 , 42760 , 64140 , 128280
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128280 can be divided by 32 positive divisors.
The sum of these divisors (counting 128280) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111010100011000
3
Ternary
20111222010
4
Quaternary
133110120
5
Quinary
13101110
6
Senary
2425520
8
Octal
372430
10
Decimal
128280
12
Duodecimal
622a0
16
Hexadecimal
1f518
20
Vigesimal
g0e0
36
Base36
2qzc
md5
13a46a9755aaf4910265020174fbe66d
sha1
d5ed885625061496e6fbd2472887577788dd3188
sha256
e4f76b2b6cf6d57cb620767d14d21cb4b627255d9aaa3ad15031bfe0d43e3d0f
sha512
c2542bbfff49dbda75ccc542c508dd49722b21dda6e616c1f94e140e9ac9766f6d5761f490dd7b03f3d4faf54e9656a2d7e023cf296f3109d301c2360797e037
ripemd-160
08095ff644d67984ca7b473f28f7eda8ce83d814
Diameter
256560
Circumference
806007.011205
Area
51697289698.689
Volume
8.8423044300637E+15
Surface area
206789158794.75
Circumference
806007.011205
Perimeter
513120
Area
16455758400
Diagonal
181415.31578122
Surface area
98734550400
Volume
2110944687552000
Space diagonal
222187.47759494
Perimeter
384840
Area
7125552406.4696
Altitude
111093.73879747
Surface area
7125552406.4696
Volume
2.4877721721296E+14
Height
60471.771927074