20395945 is an odd 8-digits composite number following 20395944
and preceding 20395946 . In scientific notation, it is written as 2.0395945 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 16316752 positive integers (up to 20395945) that are relatively prime to 20395945.
20395945 has 4 divisors, whose sum is 24475140
The reverse of 20395945 is 54959302
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million three hundred ninety-five thousand nine hundred forty-five
Scientific notation
2.0395945 × 10^7
Engineering notation
2.0395945 × 10^6
Prime Factorization
5 × 4079189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20395945
Product of the distinct prime numbers
The prime factorization of 20395945 is 5 × 4079189.
Since it has a total of 2 prime factors.
10 , 9 , 31 , 75 , 12 , 106 , 4911 , 6625 , 68258 , 33446 , 234606 , 354520 , 4831788 , 9116571 , 75961265 , 3792805 , 298588052 , 317393780 , 9575500447 , 2349123822
n×2
40791890
n×3
61187835
n×4
81583780
n×5
101979725
n÷2
10197972.5
n÷3
6798648.3333333
n÷3
5098986.25
n÷5
4079189
n2
415994572443025
n3
8.4846024198465E+21
n4
1.7305148430206E+29
n5
3.5295485559931E+36
2 √n
4516.1869978999
3 √n
273.2213360644
4 √n
67.202581780017
5 √n
28.967349978291
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20395944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20395945 can be divided by 4 positive divisors.
The sum of these divisors (counting 20395945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110011011110101001
3
Ternary
1102101012222101
4
Quaternary
1031303132221
5
Quinary
20210132240
6
Senary
2005053401
8
Octal
115633651
10
Decimal
20395945
12
Duodecimal
69b7261
16
Hexadecimal
13737a9
20
Vigesimal
6799h5
36
Base36
c55m1
md5
c181928dfcb2f97c173630035a165be5
sha1
e58d7232d5b568f2c9840d81613df498b95aef35
sha256
e1b706bd7466857572d7a0255ed1640fdc76acf3e00eb1ab5fa926e26f8d72c4
sha512
cd4da57057e2c5985d2bd7ad056ba641c5f196a643ff4c311289057d98a460b320443d584064ff42cad2c272020ae2bc967943a3017d01486398bca0de751e09
ripemd-160
aaef7947a4f050005083f69f61b47ed324cb87d7
Diameter
40791890
Circumference
128151501.95004
Area
1.3068854927202E+15
Volume
3.554021950776E+22
Surface area
5.2275419708809E+15
Circumference
128151501.95004
Perimeter
81583780
Area
415994572443025
Diagonal
28844222.036416
Surface area
2495967434658150
Volume
8.4846024198465E+21
Space diagonal
35326813.00838
Perimeter
61187835
Area
1.8013093378605E+14
Altitude
17663406.50419
Surface area
1.8013093378605E+14
Volume
9.9991998445754E+20
Height
9614740.6788052