20198918 is an even 8-digits composite number following 20198917
and preceding 20198919 . In scientific notation, it is written as 2.0198918 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 9675720 positive integers (up to 20198918) that are relatively prime to 20198918.
20198918 has 16 divisors, whose sum is 31589376
The reverse of 20198918 is 81989102
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred ninety-eight thousand nine hundred eighteen
Scientific notation
2.0198918 × 10^7
Engineering notation
2.0198918 × 10^6
Prime Factorization
2 × 31 × 103 × 3163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20198918
Product of the distinct prime numbers
The prime factorization of 20198918 is 2 × 31 × 103 × 3163.
Since it has a total of 4 prime factors.
1 , 1 , 44 , 19 , 339 , 418 , 4858 , 7959 , 1088 , 60088 , 364110 , 760115 , 5607114 , 6158655 , 88816784 , 44469651 , 972202519 , 734493716 , 238392461 , 8964437094
n×2
40397836
n×3
60596754
n×4
80795672
n×5
100994590
n÷2
10099459
n÷3
6732972.6666667
n÷3
5049729.5
n÷5
4039783.6
n2
407996288370724
n3
8.2410835731046E+21
n4
1.6646097132429E+29
n5
3.3623315099796E+36
2 √n
4494.3206383168
3 √n
272.33870543408
4 √n
67.03969449749
5 √n
28.911166926201
1 , 2 , 31 , 62 , 103 , 206 , 3163 , 3193 , 6326 , 6386 , 98053 , 196106 , 325789 , 651578 , 10099459 , 20198918
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
-20198917
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 20198918 can be divided by 16 positive divisors.
The sum of these divisors (counting 20198918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000011011000000110
3
Ternary
1102000012201002
4
Quaternary
1031003120012
5
Quinary
20132331133
6
Senary
2000533302
8
Octal
115033006
10
Decimal
20198918
12
Duodecimal
6921232
16
Hexadecimal
1343606
20
Vigesimal
664h5i
36
Base36
c0xl2
md5
78750fd46b5eeb6aa653d29a0578b438
sha1
7d0a62108eaf3a1238c9d97fa55c147a98d346b8
sha256
7efe03f6afc40b3a5749bb8724a7776f98ccb00699aca04f61152dc058aa6e6f
sha512
e31a4d52056cbdc522eef30138dd77b4a7d7b65deaee55ac1d933fdcb261c09003b6999c82c40e1fbcfd1feda6283f57d8bc92336d3667482b4da77d6b3d5075
ripemd-160
4885be25223848bedb6ff6443d9ae8197e9e9e1f
Diameter
40397836
Circumference
126913544.79853
Area
1.2817581422374E+15
Volume
3.4520170147847E+22
Surface area
5.1270325689495E+15
Circumference
126913544.79853
Perimeter
80795672
Area
407996288370724
Diagonal
28565583.780862
Surface area
2447977730224344
Volume
8.2410835731046E+21
Space diagonal
34985552.233918
Perimeter
60596754
Area
1.766675751894E+14
Altitude
17492776.116959
Surface area
1.766675751894E+14
Volume
9.7122101314456E+20
Height
9521861.2602873