128538280 is an even 9-digits composite number following 128538279
and preceding 128538281 . In scientific notation, it is written as 1.28538280 × 10^8.
The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors.
There are 46295040 positive integers (up to 128538280) that are relatively prime to 128538280.
128538280 has 32 divisors, whose sum is 289801800
The reverse of 128538280 is 082835821
Previous prime number is 533
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million five hundred thirty-eight thousand two hundred eighty
Scientific notation
1.28538280 × 10^8
Engineering notation
1.28538280 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 533 × 6029
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32134570
Product of the distinct prime numbers
The prime factorization of 128538280 is 2 × 2 × 2 × 5 × 533 × 6029.
Since it has a total of 6 prime factors.
8 , 6 , 42 , 82 , 523 , 59 , 6855 , 3564 , 7259 , 89884 , 149943 , 665367 , 8840129 , 7832355 , 53785113 , 43221480 , 872702691 , 528701326 , 9953953802 , 1975126315
n×2
257076560
n×3
385614840
n×4
514153120
n×5
642691400
n÷2
64269140
n÷3
42846093.333333
n÷3
32134570
n÷5
25707656
n2
16522089425358400
n3
2.1237209567418E+24
n4
2.7297943897954E+32
n5
3.5088307561795E+40
2 √n
11337.472381444
3 √n
504.67388021855
4 √n
106.47756750341
5 √n
41.860701007494
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 533 , 1066 , 2132 , 2665 , 4264 , 5330 , 6029 , 10660 , 12058 , 21320 , 24116 , 30145 , 48232 , 60290 , 120580 , 241160 , 3213457 , 6426914 , 12853828 , 16067285 , 25707656 , 32134570 , 64269140 , 128538280
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
-128538279
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 128538280 can be divided by 32 positive divisors.
The sum of these divisors (counting 128538280) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010010101011010101000
3
Ternary
22221212102101001
4
Quaternary
13222111122220
5
Quinary
230401211110
6
Senary
20431004344
8
Octal
752253250
10
Decimal
128538280
12
Duodecimal
370696b4
16
Hexadecimal
7a956a8
20
Vigesimal
20375e0
36
Base36
24j0rs
md5
df1474eccb1afda58ccc6bdb75d4dedf
sha1
99e9cefa74f522917dd83bb1fbb38965b205d9cb
sha256
20afa099a370eac3540d3b0256dc81979a977e9d82edc2138e01809aa599bead
sha512
0ef758898e8c5e63eea94655e744e475d26170823cf7830f340f0b3dd7e3f1b1d52f26377d7a2eb4ea6738b616bc16367a75e33656571287b317e74b59fc7f60
ripemd-160
1af6d32b46bf94763563893f44594fe7c8e58b6f
Diameter
257076560
Circumference
807629832.30614
Area
5.190567476066E+16
Volume
8.8958215412995E+24
Surface area
2.0762269904264E+17
Circumference
807629832.30614
Perimeter
514153120
Area
16522089425358400
Diagonal
181780578.86011
Surface area
99132536552150400
Volume
2.1237209567418E+24
Space diagonal
222634831.67751
Perimeter
385614840
Area
7.1542745829793E+15
Altitude
111317415.83876
Surface area
7.1542745829793E+15
Volume
2.5028291497668E+23
Height
60593526.286703