12897189 is an odd 8-digits composite number following 12897188
and preceding 12897190 . In scientific notation, it is written as 1.2897189 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 8598120 positive integers (up to 12897189) that are relatively prime to 12897189.
12897189 has 4 divisors, whose sum is 14330220
The reverse of 12897189 is 98179821
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million eight hundred ninety-seven thousand one hundred eighty-nine
Scientific notation
1.2897189 × 10^7
Engineering notation
1.2897189 × 10^6
Prime Factorization
9 × 1433021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12897189
Product of the distinct prime numbers
The prime factorization of 12897189 is 9 × 1433021.
Since it has a total of 2 prime factors.
6 , 1 , 71 , 96 , 318 , 887 , 2792 , 1944 , 13113 , 48354 , 921537 , 222306 , 9794125 , 5532855 , 4401311 , 29055926 , 463237367 , 656567155 , 1186792163 , 6252063095
n×2
25794378
n×3
38691567
n×4
51588756
n×5
64485945
n÷2
6448594.5
n÷3
4299063
n÷3
3224297.25
n÷5
2579437.8
n2
166337484101721
n3
2.1452859702444E+21
n4
2.766815861729E+28
n5
3.5684147096917E+35
2 √n
3591.2656543341
3 √n
234.51197348101
4 √n
59.927169583872
5 √n
26.430112568406
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897188
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897189 can be divided by 4 positive divisors.
The sum of these divisors (counting 12897189) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001100101110100101
3
Ternary
220021020121200
4
Quaternary
301030232211
5
Quinary
11300202224
6
Senary
1140233113
8
Octal
61145645
10
Decimal
12897189
12
Duodecimal
439b799
16
Hexadecimal
c4cba5
20
Vigesimal
40c2j9
36
Base36
7ofj9
md5
7986b2eaa85166845db89c5fb47b55a0
sha1
95947659f7e297e43708a701e8c516073d9d2c0f
sha256
5d9d405f39ea9d51543db3ca064608047d67ef94dff746b9bfcdd508b0c5d614
sha512
971db4c3f1b059a87f0a06a5bdd9fad15196ec0af6151b42b15990dec7de310e82585bf146c44d478648e89424c01dbeb8b35357e05ac1aacaf3bab5dea17112
ripemd-160
a8f812285f512681aa5ee8ec7838905dc7a81900
Diameter
25794378
Circumference
81035428.428718
Area
5.2256461807058E+14
Volume
8.9861528586254E+21
Surface area
2.0902584722823E+15
Circumference
81035428.428718
Perimeter
51588756
Area
166337484101721
Diagonal
18239379.600289
Surface area
998024904610326
Volume
2.1452859702444E+21
Space diagonal
22338586.622818
Perimeter
38691567
Area
72026243416840
Altitude
11169293.311409
Surface area
72026243416840
Volume
2.528243761907E+20
Height
6079793.2000964