20198919 is an odd 8-digits composite number following 20198918
and preceding 20198920 . In scientific notation, it is written as 2.0198919 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 11775456 positive integers (up to 20198919) that are relatively prime to 20198919.
20198919 has 16 divisors, whose sum is 30531200
The reverse of 20198919 is 91989102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred ninety-eight thousand nine hundred nineteen
Scientific notation
2.0198919 × 10^7
Engineering notation
2.0198919 × 10^6
Prime Factorization
13 × 3 × 19 × 27259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20198919
Product of the distinct prime numbers
The prime factorization of 20198919 is 13 × 3 × 19 × 27259.
Since it has a total of 4 prime factors.
3 , 7 , 67 , 34 , 577 , 416 , 455 , 7695 , 3349 , 19672 , 870929 , 312933 , 1894616 , 1054635 , 10576803 , 3657212 , 840409628 , 54913520 , 8335833632 , 7826572938
n×2
40397838
n×3
60596757
n×4
80795676
n×5
100994595
n÷2
10099459.5
n÷3
6732973
n÷3
5049729.75
n÷5
4039783.8
n2
407996328768561
n3
8.2410847970935E+21
n4
1.6646100428862E+29
n5
3.3623323422846E+36
2 √n
4494.3207495683
3 √n
272.33870992836
4 √n
67.039695327233
5 √n
28.911167212466
1 , 3 , 13 , 19 , 39 , 57 , 247 , 741 , 27259 , 81777 , 354367 , 517921 , 1063101 , 1553763 , 6732973 , 20198919
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
-20198918
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 20198919 can be divided by 16 positive divisors.
The sum of these divisors (counting 20198919) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000011011000000111
3
Ternary
1102000012201010
4
Quaternary
1031003120013
5
Quinary
20132331134
6
Senary
2000533303
8
Octal
115033007
10
Decimal
20198919
12
Duodecimal
6921233
16
Hexadecimal
1343607
20
Vigesimal
664h5j
36
Base36
c0xl3
md5
7ae1625e35372410d1fcc4b0ae3515db
sha1
ec8100116e77a225a50793bae14180352a9e4ca0
sha256
870a6d495f7a563771a5cc6dec9956117c744c3bda84c352499cb642ad653bf2
sha512
48112c34844f771f831674797cb6564b542e414da0dda534867406a2c544b160a306ccda9501fb830a1a7c3e3bc51ae7fdc7e70eee61a51402459f6b217ced5f
ripemd-160
cb784ff7cec1aa6ab008039c06f7eb6d0c2a7951
Diameter
40397838
Circumference
126913551.08171
Area
1.2817582691509E+15
Volume
3.4520175274879E+22
Surface area
5.1270330766037E+15
Circumference
126913551.08171
Perimeter
80795676
Area
407996328768561
Diagonal
28565585.195076
Surface area
2447977972611366
Volume
8.2410847970935E+21
Space diagonal
34985553.965968
Perimeter
60596757
Area
1.7666759268218E+14
Altitude
17492776.982984
Surface area
1.7666759268218E+14
Volume
9.7122115739303E+20
Height
9521861.7316919