12890655 is an odd 8-digits composite number following 12890654
and preceding 12890656 . In scientific notation, it is written as 1.2890655 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 6874992 positive integers (up to 12890655) that are relatively prime to 12890655.
12890655 has 8 divisors, whose sum is 17187600
The reverse of 12890655 is 55609821
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million eight hundred ninety thousand six hundred fifty-five
Scientific notation
1.2890655 × 10^7
Engineering notation
1.2890655 × 10^6
Prime Factorization
9 × 5 × 286459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12890655
Product of the distinct prime numbers
The prime factorization of 12890655 is 9 × 5 × 286459.
Since it has a total of 3 prime factors.
7 , 2 , 38 , 43 , 430 , 128 , 8941 , 661 , 78054 , 21048 , 7726 , 29045 , 7939939 , 2116295 , 78054460 , 6617812 , 83147103 , 519601442 , 9092127882 , 7488416295
n×2
25781310
n×3
38671965
n×4
51562620
n×5
64453275
n÷2
6445327.5
n÷3
4296885
n÷3
3222663.75
n÷5
2578131
n2
166168986329025
n3
2.1420270744672E+21
n4
2.7612132017616E+28
n5
3.5593846765354E+35
2 √n
3590.3558319476
3 √n
234.47236381429
4 √n
59.91957803546
5 √n
26.427434010118
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
-12890654
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 12890655 can be divided by 8 positive divisors.
The sum of these divisors (counting 12890655) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001011001000011111
3
Ternary
220020220122200
4
Quaternary
301023020133
5
Quinary
11300000110
6
Senary
1140142543
8
Octal
61131037
10
Decimal
12890655
12
Duodecimal
4397a53
16
Hexadecimal
c4b21f
20
Vigesimal
40b6cf
36
Base36
7oahr
md5
10c2be7ff30f43980822edb9d65da5cb
sha1
2f0e0fa3e092d286985693a32be097ccaf5c3b24
sha256
763fdef902987786d8a826c84f8609b3d6c3a1eb465573b28d661f74f34ec0b5
sha512
5f04374bce3fd2d0a4dd9f9a4a331d062e85ee6dcd348ca47880cedde40e8987874c1966d94a15991117708e54137a8fc65a786df5240b738cac4cb26c03f738
ripemd-160
78bd7fef749d42e872dd17f81ef49165b731e075
Diameter
25781310
Circumference
80994374.095921
Area
5.2203526670573E+14
Volume
8.9725020279154E+21
Surface area
2.0881410668229E+15
Circumference
80994374.095921
Perimeter
51562620
Area
166168986329025
Diagonal
18230139.128873
Surface area
997013917974150
Volume
2.1420270744672E+21
Space diagonal
22327269.402842
Perimeter
38671965
Area
71953281741022
Altitude
11163634.701421
Surface area
71953281741022
Volume
2.5244031164015E+20
Height
6076713.0429575