20197009 is an odd 8-digits composite number following 20197008
and preceding 20197010 . In scientific notation, it is written as 2.0197009 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 17311716 positive integers (up to 20197009) that are relatively prime to 20197009.
20197009 has 4 divisors, whose sum is 23082304
The reverse of 20197009 is 90079102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred ninety-seven thousand nine
Scientific notation
2.0197009 × 10^7
Engineering notation
2.0197009 × 10^6
Prime Factorization
7 × 2885287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20197009
Product of the distinct prime numbers
The prime factorization of 20197009 is 7 × 2885287.
Since it has a total of 2 prime factors.
6 , 10 , 91 , 59 , 728 , 128 , 7511 , 7065 , 56383 , 54258 , 839760 , 622070 , 7394591 , 1260911 , 8865439 , 93172158 , 696215529 , 283121008 , 607762000 , 8469180857
n×2
40394018
n×3
60591027
n×4
80788036
n×5
100985045
n÷2
10098504.5
n÷3
6732336.3333333
n÷3
5049252.25
n÷5
4039401.8
n2
407919172546081
n3
8.2387471991858E+21
n4
1.6639805133068E+29
n5
3.3607429403082E+36
2 √n
4494.1082541479
3 √n
272.33012558559
4 √n
67.038110460751
5 √n
28.910620426589
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
-20197008
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 20197009 can be divided by 4 positive divisors.
The sum of these divisors (counting 20197009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000010111010010001
3
Ternary
1102000010002101
4
Quaternary
1031002322101
5
Quinary
20132301014
6
Senary
2000520401
8
Octal
115027221
10
Decimal
20197009
12
Duodecimal
6920101
16
Hexadecimal
1342e91
20
Vigesimal
664ca9
36
Base36
c0w41
md5
8f37577cad8365b4768de46357f9b15a
sha1
b4392db24b94667b93bca5eb9bcdc83f1604adbe
sha256
7c0b2df62755b32af3540902ef1fdd5b1c76b02a6571cfec8be4b3404404930e
sha512
6a9e50ff24e14efec5f2d2a1b5d3228c05ed9f93578f03edb25c56847cf2f206e61528ccb3d0bde0128b51e0abfee9162e0b0c0e927cd9cacd997a719ac0d60e
ripemd-160
c49237b6a0dd5cebc42c42252f7196194d631c0c
Diameter
40394018
Circumference
126901550.19777
Area
1.2815158757292E+15
Volume
3.4510383567661E+22
Surface area
5.1260635029168E+15
Circumference
126901550.19777
Perimeter
80788036
Area
407919172546081
Diagonal
28562884.047171
Surface area
2447515035276486
Volume
8.2387471991858E+21
Space diagonal
34982245.748926
Perimeter
60591027
Area
1.7663418305782E+14
Altitude
17491122.874463
Surface area
1.7663418305782E+14
Volume
9.7094566883765E+20
Height
9520961.3490572