7128538 is an even 7-digits composite number following 7128537
and preceding 7128539 . In scientific notation, it is written as 7.128538 × 10^6.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 3521244 positive integers (up to 7128538) that are relatively prime to 7128538.
7128538 has 8 divisors, whose sum is 10821888
The reverse of 7128538 is 8358217
Previous prime number is 83
Is Prime? no
Number parity even
Number length 7
Sum of Digits 34
Digital Root 7
Name
seven million one hundred twenty-eight thousand five hundred thirty-eight
Scientific notation
7.128538 × 10^6
Engineering notation
7.128538 × 10^6
Prime Factorization
2 × 83 × 42943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7128538
Product of the distinct prime numbers
The prime factorization of 7128538 is 2 × 83 × 42943.
Since it has a total of 3 prime factors.
2 , 3 , 93 , 9 , 670 , 670 , 5441 , 946 , 90332 , 54162 , 295978 , 84388 , 6111834 , 6422593 , 80125662 , 31020278 , 552496094 , 140544275 , 2032851951 , 7385529066
n×2
14257076
n×3
21385614
n×4
28514152
n×5
35642690
n÷2
3564269
n÷3
2376179.3333333
n÷3
1782134.5
n÷5
1425707.6
n2
50816054017444
n3
3.622441720734E+20
n4
2.5822713459038E+27
n5
1.8407819415586E+34
2 √n
2669.9322088772
3 √n
192.45690157881
4 √n
51.671386752024
5 √n
23.474702323887
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7128537
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7128538 can be divided by 8 positive divisors.
The sum of these divisors (counting 7128538) is 1, the average is 0.125.
Base
System
Value
2
Binary
11011001100010111011010
3
Ternary
111102011111221
4
Quaternary
123030113122
5
Quinary
3311103123
6
Senary
412442254
8
Octal
33142732
10
Decimal
7128538
12
Duodecimal
247938a
16
Hexadecimal
6cc5da
20
Vigesimal
24b16i
36
Base36
48sey
md5
0cb4d884dc5d4bcaa3cc7d59ac77b6b4
sha1
c9e0015c63ed68c3680386718e9e18ce50e7ab7d
sha256
ac04ba09f09ab561743e5438c9284080fd9f3f606d65a8388f6c85520655d177
sha512
117ebc528e50a7558b9d417a71168a53e8922b27cba65e7cdde90617316c99c1a52b711d03f25ca17986d2a1d96fee7382b11deffb63d1e3f8a3e2d2dd76869e
ripemd-160
827c8e1e00abc5930d1a4871543086e241091b05
Diameter
14257076
Circumference
44789925.223271
Area
1.5964334198562E+14
Volume
1.517364839722E+21
Surface area
6.385733679425E+14
Circumference
44789925.223271
Perimeter
28514152
Area
50816054017444
Diagonal
10081275.119492
Surface area
304896324104664
Volume
3.622441720734E+20
Space diagonal
12346989.999685
Perimeter
21385614
Area
22003996849594
Altitude
6173494.9998427
Surface area
22003996849594
Volume
4.2690885086402E+19
Height
3360425.0398307