20045390 is an even 8-digits composite number following 20045389
and preceding 20045391 . In scientific notation, it is written as 2.0045390 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 8018152 positive integers (up to 20045390) that are relatively prime to 20045390.
20045390 has 8 divisors, whose sum is 36081720
The reverse of 20045390 is 09354002
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million forty-five thousand three hundred ninety
Scientific notation
2.0045390 × 10^7
Engineering notation
2.0045390 × 10^6
Prime Factorization
2 × 5 × 2004539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20045390
Product of the distinct prime numbers
The prime factorization of 20045390 is 2 × 5 × 2004539.
Since it has a total of 3 prime factors.
1 , 9 , 10 , 95 , 789 , 632 , 4300 , 6226 , 11466 , 41052 , 769443 , 445168 , 4627770 , 3588700 , 77543889 , 9578196 , 9402301 , 142360038 , 1222984333 , 5314729751
n×2
40090780
n×3
60136170
n×4
80181560
n×5
100226950
n÷2
10022695
n÷3
6681796.6666667
n÷3
5011347.5
n÷5
4009078
n2
401817660252100
n3
8.0545917086408E+21
n4
1.6145743209047E+29
n5
3.236477194652E+36
2 √n
4477.2078352473
3 √n
271.64695220374
4 √n
66.91194090181
5 √n
28.867083074752
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20045389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20045390 can be divided by 8 positive divisors.
The sum of these divisors (counting 20045390) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011101111001001110
3
Ternary
1101201102002212
4
Quaternary
1030131321032
5
Quinary
20112423030
6
Senary
1553350422
8
Octal
114357116
10
Decimal
20045390
12
Duodecimal
6868412
16
Hexadecimal
131de4e
20
Vigesimal
655d9a
36
Base36
bxn4e
md5
83ef3edc8d0f20fda5e04886e557dd85
sha1
a2f1c6ff5eaeed2ba5d43503d6ca8706680d635c
sha256
993f1d8f7e2fe0eea29765d084bab3365f5363d57bdd0729d8dc9d907d162603
sha512
ac341c5bf6941ec34691cfa02fb689c1de0d94ccdf7838ed80159deecb0ea4d8f2b92f6caec74987a74892d7ff2909b77fbe432216fa4522c3b9f1a86b340a0e
ripemd-160
1a12f4a4fc9e021c7dcd0169be358313d66cfc01
Diameter
40090780
Circumference
125948899.92468
Area
1.2623474095306E+15
Volume
3.3738994852708E+22
Surface area
5.0493896381225E+15
Circumference
125948899.92468
Perimeter
80181560
Area
401817660252100
Diagonal
28348462.401058
Surface area
2410905961512600
Volume
8.0545917086408E+21
Space diagonal
34719633.937533
Perimeter
60136170
Area
1.7399215073377E+14
Altitude
17359816.968767
Surface area
1.7399215073377E+14
Volume
9.4924273614481E+20
Height
9449487.4670193