20397798 is an even 8-digits composite number following 20397797
and preceding 20397799 . In scientific notation, it is written as 2.0397798 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 6799248 positive integers (up to 20397798) that are relatively prime to 20397798.
20397798 has 16 divisors, whose sum is 45328560
The reverse of 20397798 is 89779302
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million three hundred ninety-seven thousand seven hundred ninety-eight
Scientific notation
2.0397798 × 10^7
Engineering notation
2.0397798 × 10^6
Prime Factorization
2 × 3 × 9 × 377737
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20397798
Product of the distinct prime numbers
The prime factorization of 20397798 is 2 × 3 × 9 × 377737.
Since it has a total of 4 prime factors.
2 , 7 , 69 , 17 , 168 , 314 , 2951 , 6172 , 7306 , 98702 , 470957 , 644478 , 207823 , 9785297 , 28019274 , 63780242 , 510858430 , 463255764 , 9528140327 , 3734976703
n×2
40795596
n×3
61193394
n×4
81591192
n×5
101988990
n÷2
10198899
n÷3
6799266
n÷3
5099449.5
n÷5
4079559.6
n2
416070163248804
n3
8.4869151437761E+21
n4
1.7311438074589E+29
n5
3.5311521693497E+36
2 √n
4516.3921441788
3 √n
273.22960999343
4 √n
67.204108090048
5 √n
28.96787630398
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 377737 , 755474 , 1133211 , 2266422 , 3399633 , 6799266 , 10198899 , 20397798
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20397797
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20397798 can be divided by 16 positive divisors.
The sum of these divisors (counting 20397798) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110011111011100110
3
Ternary
1102101022112000
4
Quaternary
1031303323212
5
Quinary
20210212143
6
Senary
2005110130
8
Octal
115637346
10
Decimal
20397798
12
Duodecimal
69b8346
16
Hexadecimal
1373ee6
20
Vigesimal
679e9i
36
Base36
c571i
md5
9c5c1ac612cfd4a145d2c9ee0cb305db
sha1
e5a2107bde3cc83786d22753adc36f83441f08c3
sha256
81b8d28ea690e0da1582c962e5adff5ca2ccd9bd84299b9c8b5484c69ae9d8c1
sha512
3531287fea2dcc9b3ec900cabbf931ac3be2b919df7889e65fe209d09b12c0d7aece857f911d99b7f433778f0c50b8d9476366b89075376a47e30c21490374be
ripemd-160
3d86d0a3d8ee6dcc50e50fa573deef139350b967
Diameter
40795596
Circumference
128163144.69242
Area
1.3071229682403E+15
Volume
3.5549907023103E+22
Surface area
5.2284918729614E+15
Circumference
128163144.69242
Perimeter
81591192
Area
416070163248804
Diagonal
28846842.574147
Surface area
2496420979492824
Volume
8.4869151437761E+21
Space diagonal
35330022.498527
Perimeter
61193394
Area
1.801636655651E+14
Altitude
17665011.249263
Surface area
1.801636655651E+14
Volume
1.0001925415865E+21
Height
9615614.1913823