20395945 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-five thousand nine hundred forty-five

Notation

Scientific notation 2.0395945 × 10^7
Engineering notation 2.0395945 × 10^6

Prime Factorization of 20395945

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.

Most popular turbo-numbers

Basic calculations (n = 20395945)

Multiplication

n×y
n×2 40791890
n×3 61187835
n×4 81583780
n×5 101979725

Division

n÷y
n÷2 10197972.5
n÷3 6798648.3333333
n÷3 5098986.25
n÷5 4079189

Exponentiation

ny
n2 415994572443025
n3 8.4846024198465E+21
n4 1.7305148430206E+29
n5 3.5295485559931E+36

Nth Root

y√n
2√n 4516.1869978999
3√n 273.2213360644
4√n 67.202581780017
5√n 28.967349978291

Divisors of 20395945

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 conversion 20395945

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

Cryptographic Hash Functions

md5 c181928dfcb2f97c173630035a165be5
sha1 e58d7232d5b568f2c9840d81613df498b95aef35
sha256 e1b706bd7466857572d7a0255ed1640fdc76acf3e00eb1ab5fa926e26f8d72c4
sha512 cd4da57057e2c5985d2bd7ad056ba641c5f196a643ff4c311289057d98a460b320443d584064ff42cad2c272020ae2bc967943a3017d01486398bca0de751e09
ripemd-160 aaef7947a4f050005083f69f61b47ed324cb87d7

20395945 as geometric shapes

Circle

Radius = n
Diameter 40791890
Circumference 128151501.95004
Area 1.3068854927202E+15

Sphere

Radius = n
Volume 3.554021950776E+22
Surface area 5.2275419708809E+15
Circumference 128151501.95004

Square

Length = n
Perimeter 81583780
Area 415994572443025
Diagonal 28844222.036416

Cube

Length = n
Surface area 2495967434658150
Volume 8.4846024198465E+21
Space diagonal 35326813.00838

Equilateral Triangle

Length = n
Perimeter 61187835
Area 1.8013093378605E+14
Altitude 17663406.50419

Triangular Pyramid

Length = n
Surface area 1.8013093378605E+14
Volume 9.9991998445754E+20
Height 9614740.6788052