128662012 is an even 9-digits composite number following 128662011
and preceding 128662013 . In scientific notation, it is written as 1.28662012 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 64288080 positive integers (up to 128662012) that are relatively prime to 128662012.
128662012 has 12 divisors, whose sum is 225308776
The reverse of 128662012 is 210266821
Previous prime number is 1621
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-eight million six hundred sixty-two thousand twelve
Scientific notation
1.28662012 × 10^8
Engineering notation
1.28662012 × 10^6
Prime Factorization
2 × 2 × 1621 × 19843
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64331006
Product of the distinct prime numbers
The prime factorization of 128662012 is 2 × 2 × 1621 × 19843.
Since it has a total of 4 prime factors.
9 , 9 , 78 , 85 , 537 , 405 , 339 , 1537 , 69012 , 80462 , 279780 , 730484 , 6632419 , 4767977 , 34298129 , 85394149 , 858223367 , 704795821 , 440617787 , 8991372362
n×2
257324024
n×3
385986036
n×4
514648048
n×5
643310060
n÷2
64331006
n÷3
42887337.333333
n÷3
32165503
n÷5
25732402.4
n2
16553913331888144
n3
2.1298597957544E+24
n4
2.7403204659966E+32
n5
3.5257514467991E+40
2 √n
11342.92784073
3 √n
504.8357626886
4 √n
106.5031823033
5 √n
41.868756996843
1 , 2 , 4 , 1621 , 3242 , 6484 , 19843 , 39686 , 79372 , 32165503 , 64331006 , 128662012
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128662011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128662012 can be divided by 12 positive divisors.
The sum of these divisors (counting 128662012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010110011100111111100
3
Ternary
22222002201002201
4
Quaternary
13222303213330
5
Quinary
230414141022
6
Senary
20433401244
8
Octal
752634774
10
Decimal
128662012
12
Duodecimal
37109224
16
Hexadecimal
7ab39fc
20
Vigesimal
2042f0c
36
Base36
24lo8s
md5
6fb33ee3729f85693ea503aaa8c6d3e9
sha1
ed8e7487776758d596890ecf9fc61f3ba1c5338d
sha256
220d0be36bb4f664f4a4b6bdeb767165f6a04a0dca2b4353a33f2040e69ab8b2
sha512
70ec47706c10e3c89b28d9aef68294c460feadc594e64ebf9795bfd4caa1738c3a371c36cc454789c4982489d873de94fed6317a7819e58eba6b610acde86c0b
ripemd-160
d723718497e9ad61b51c6e5f306e258cd19a8517
Diameter
257324024
Circumference
808407263.39056
Area
5.2005652511622E+16
Volume
8.9215358500242E+24
Surface area
2.0802261004649E+17
Circumference
808407263.39056
Perimeter
514648048
Area
16553913331888144
Diagonal
181955562.33261
Surface area
99323479991328864
Volume
2.1298597957544E+24
Space diagonal
222849141.78804
Perimeter
385986036
Area
7.1680547387305E+15
Altitude
111424570.89402
Surface area
7.1680547387305E+15
Volume
2.5100638409242E+23
Height
60651854.11087