128308936 is an even 9-digits composite number following 128308935
and preceding 128308937 . In scientific notation, it is written as 1.28308936 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 54989520 positive integers (up to 128308936) that are relatively prime to 128308936.
128308936 has 16 divisors, whose sum is 274947840
The reverse of 128308936 is 639803821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million three hundred eight thousand nine hundred thirty-six
Scientific notation
1.28308936 × 10^8
Engineering notation
1.28308936 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 2291231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32077234
Product of the distinct prime numbers
The prime factorization of 128308936 is 2 × 2 × 2 × 7 × 2291231.
Since it has a total of 5 prime factors.
1 , 10 , 5 , 22 , 442 , 350 , 321 , 5802 , 23097 , 81180 , 214835 , 688709 , 4353330 , 3819471 , 69612232 , 64632459 , 139497462 , 337790899 , 2533775216 , 6269030928
n×2
256617872
n×3
384926808
n×4
513235744
n×5
641544680
n÷2
64154468
n÷3
42769645.333333
n÷3
32077234
n÷5
25661787.2
n2
16463183057452096
n3
2.1123735012749E+24
n4
2.7103639638318E+32
n5
3.47763916372E+40
2 √n
11327.353442
3 √n
504.37354729237
4 √n
106.43004012966
5 √n
41.84575237146
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 2291231 , 4582462 , 9164924 , 16038617 , 18329848 , 32077234 , 64154468 , 128308936
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
-128308935
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 128308936 can be divided by 16 positive divisors.
The sum of these divisors (counting 128308936) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001011101011011001000
3
Ternary
22221102202202211
4
Quaternary
13221131123020
5
Quinary
230321341221
6
Senary
20422034504
8
Octal
751353310
10
Decimal
128308936
12
Duodecimal
36b78a34
16
Hexadecimal
7a5d6c8
20
Vigesimal
201ic6g
36
Base36
24e3t4
md5
aa7fc1ff1a67e13d8db763bc55a958a3
sha1
ee8393dfbe2fc9fcf0d0749aa91eae6b54f01014
sha256
d66160b596e9873b93cc50cfd1f34dff2dae8fd325105050c94391cfd673e725
sha512
e8de71471fe89b5896d424abfe2ae4e1e95d66152017f2efd73edb50d7d681591bfe821c542a9d0f87eca0ebc7563a91bc24685415ea535c4cf65456e06af92f
ripemd-160
b47c7817bfa4b42b8add79ec4133601340b8d635
Diameter
256617872
Circumference
806188821.45505
Area
5.1720614947995E+16
Volume
8.8482894309907E+24
Surface area
2.0688245979198E+17
Circumference
806188821.45505
Perimeter
513235744
Area
16463183057452096
Diagonal
181456237.46486
Surface area
98779098344712576
Volume
2.1123735012749E+24
Space diagonal
222237596.2171
Perimeter
384926808
Area
7.1287673774535E+15
Altitude
111118798.10855
Surface area
7.1287673774535E+15
Volume
2.4894560452504E+23
Height
60485412.488287