20731972 (number)

20731972 is an even 8-digits composite number following 20731971 and preceding 20731973. In scientific notation, it is written as 2.0731972 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 10365984 positive integers (up to 20731972) that are relatively prime to 20731972.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand nine hundred seventy-two

Notation

Scientific notation 2.0731972 × 10^7
Engineering notation 2.0731972 × 10^6

Prime Factorization of 20731972

Prime Factorization 2 × 2 × 5182993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10365986
Product of the distinct prime numbers

The prime factorization of 20731972 is 2 × 2 × 5182993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731972)

Multiplication

n×y
n×2 41463944
n×3 62195916
n×4 82927888
n×5 103659860

Division

n÷y
n÷2 10365986
n÷3 6910657.3333333
n÷3 5182993
n÷5 4146394.4

Exponentiation

ny
n2 429814663008784
n3 8.9109055586875E+21
n4 1.8474064453735E+29
n5 3.8300378698104E+36

Nth Root

y√n
2√n 4553.2375294948
3√n 274.71362806018
4√n 67.477681713992
5√n 29.062175611904

Divisors of 20731972

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731972 can be divided by 6 positive divisors. The sum of these divisors (counting 20731972) is 1, the average is 0.16666666666667.

Base conversion 20731972

Base System Value
2 Binary 1001111000101100001000100
3 Ternary 1110000021220211
4 Quaternary 1033011201010
5 Quinary 20301410342
6 Senary 2020205204
8 Octal 117054104
10 Decimal 20731972
12 Duodecimal 6b39804
16 Hexadecimal 13c5844
20 Vigesimal 69b9ic
36 Base36 cccw4

Cryptographic Hash Functions

md5 9688e6e8e2872aae09c864c9cfd5dddf
sha1 832485f2f64cf0ebe91c5a07834309eb30a8d283
sha256 d0cab33c48b7c1d177a4687816322586b694b6d190c14d9a62b856a17900de4d
sha512 cab654cf6508d6317317f8d1a9bc25513e3744b5d13fb0cd9e8da40fbd275d2d560044d81fab6ee0af1fd6941fbee01eefe7add5b2363a52c0298cb57257cabb
ripemd-160 21006f0adfc85f6794e77e0fe519e6cbff3393c3

20731972 as geometric shapes

Circle

Radius = n
Diameter 41463944
Circumference 130262821.85926
Area 1.3503025877136E+15

Sphere

Radius = n
Volume 3.7325913920007E+22
Surface area 5.4012103508543E+15
Circumference 130262821.85926

Square

Length = n
Perimeter 82927888
Area 429814663008784
Diagonal 29319435.977139

Cube

Length = n
Surface area 2578887978052704
Volume 8.9109055586875E+21
Space diagonal 35908828.845095

Equilateral Triangle

Length = n
Perimeter 62195916
Area 1.8611520854233E+14
Altitude 17954414.422548

Triangular Pyramid

Length = n
Surface area 1.8611520854233E+14
Volume 1.0501602911768E+21
Height 9773145.3257131