20163921 is an odd 8-digits composite number following 20163920
and preceding 20163922 . In scientific notation, it is written as 2.0163921 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 11985408 positive integers (up to 20163921) that are relatively prime to 20163921.
20163921 has 16 divisors, whose sum is 29966400
The reverse of 20163921 is 12936102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred sixty-three thousand nine hundred twenty-one
Scientific notation
2.0163921 × 10^7
Engineering notation
2.0163921 × 10^6
Prime Factorization
3 × 17 × 19 × 20809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20163921
Product of the distinct prime numbers
The prime factorization of 20163921 is 3 × 17 × 19 × 20809.
Since it has a total of 4 prime factors.
4 , 4 , 35 , 93 , 947 , 968 , 186 , 4140 , 65877 , 44613 , 265002 , 544200 , 8745241 , 5007907 , 2981536 , 26337214 , 742933720 , 274321043 , 1040795520 , 262701146
n×2
40327842
n×3
60491763
n×4
80655684
n×5
100819605
n÷2
10081960.5
n÷3
6721307
n÷3
5040980.25
n÷5
4032784.2
n2
406583710094241
n3
8.1983218102272E+21
n4
1.65310313314E+29
n5
3.3333040981487E+36
2 √n
4490.4254809539
3 √n
272.18132823321
4 √n
67.010637073183
5 √n
28.901141576659
1 , 3 , 17 , 19 , 51 , 57 , 323 , 969 , 20809 , 62427 , 353753 , 395371 , 1061259 , 1186113 , 6721307 , 20163921
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
-20163920
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 20163921 can be divided by 16 positive divisors.
The sum of these divisors (counting 20163921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010110101010001
3
Ternary
1101221102200220
4
Quaternary
1030322311101
5
Quinary
20130221141
6
Senary
2000103253
8
Octal
114726521
10
Decimal
20163921
12
Duodecimal
6904b29
16
Hexadecimal
133ad51
20
Vigesimal
6609g1
36
Base36
c06kx
md5
df9b736cee8a84cedf43ea6adaf237a0
sha1
06df495bbc07d490990092edc4b67e96193c3529
sha256
4f85aa42d03c7a04a7b6b72927366f5a7755d3e548ba516c53c41e2649f30b15
sha512
055b39cb5ba8ba07369febc5fa5b03fc65843de4ee0d3bd2a9741832f6e6e36e168e355f59b86cb005864a1d00407b32cfa85392f8934ce15f08d098d2f26552
ripemd-160
9f24130e4364dd9d096132926e37d1887d04eba9
Diameter
40327842
Circumference
126693652.16233
Area
1.2773203967013E+15
Volume
3.4341050094366E+22
Surface area
5.1092815868054E+15
Circumference
126693652.16233
Perimeter
80655684
Area
406583710094241
Diagonal
28516090.54882
Surface area
2439502260565446
Volume
8.1983218102272E+21
Space diagonal
34924935.651805
Perimeter
60491763
Area
1.7605591085327E+14
Altitude
17462467.825903
Surface area
1.7605591085327E+14
Volume
9.661814910602E+20
Height
9505363.5162732