20731944 (number)

20731944 is an even 8-digits composite number following 20731943 and preceding 20731945. In scientific notation, it is written as 2.0731944 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 6806976 positive integers (up to 20731944) that are relatively prime to 20731944.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand nine hundred forty-four

Notation

Scientific notation 2.0731944 × 10^7
Engineering notation 2.0731944 × 10^6

Prime Factorization of 20731944

Prime Factorization 2 × 2 × 2 × 3 × 67 × 12893

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5182986
Product of the distinct prime numbers

The prime factorization of 20731944 is 2 × 2 × 2 × 3 × 67 × 12893. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731944)

Multiplication

n×y
n×2 41463888
n×3 62195832
n×4 82927776
n×5 103659720

Division

n÷y
n÷2 10365972
n÷3 6910648
n÷3 5182986
n÷5 4146388.8

Exponentiation

ny
n2 429813502019136
n3 8.9108694543046E+21
n4 1.8473964651795E+29
n5 3.83001200619E+36

Nth Root

y√n
2√n 4553.2344547585
3√n 274.7135043867
4√n 67.477658930631
5√n 29.062167761793

Divisors of 20731944

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731943
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731944 can be divided by 32 positive divisors. The sum of these divisors (counting 20731944) is 1, the average is 0.03125.

Base conversion 20731944

Base System Value
2 Binary 1001111000101100000101000
3 Ternary 1110000021212210
4 Quaternary 1033011200220
5 Quinary 20301410234
6 Senary 2020205120
8 Octal 117054050
10 Decimal 20731944
12 Duodecimal 6b397a0
16 Hexadecimal 13c5828
20 Vigesimal 69b9h4
36 Base36 cccvc

Cryptographic Hash Functions

md5 b28c7ae72e2870cd9d7fdc64ae30c4ae
sha1 6107e117df021136cd9e6090b876c62dc7678386
sha256 375fdac33f2c7b2f88d79bdaa189a8edc180c4dbd17634775ccdce9631c1e249
sha512 ad66241dbb2862784c6a63378e648156b2b557c55a87fd7baf7f95cf279e71b4e660265c61658ae3fa168f550f2175772f2467cbd7f5b669ce6a9e126db30fd5
ripemd-160 63b154941d2c38a4286bad0749683c29094a25b5

20731944 as geometric shapes

Circle

Radius = n
Diameter 41463888
Circumference 130262645.93007
Area 1.350298940357E+15

Sphere

Radius = n
Volume 3.7325762686321E+22
Surface area 5.4011957614281E+15
Circumference 130262645.93007

Square

Length = n
Perimeter 82927776
Area 429813502019136
Diagonal 29319396.37916

Cube

Length = n
Surface area 2578881012114816
Volume 8.9108694543046E+21
Space diagonal 35908780.347673

Equilateral Triangle

Length = n
Perimeter 62195832
Area 1.8611470581906E+14
Altitude 17954390.173836

Triangular Pyramid

Length = n
Surface area 1.8611470581906E+14
Volume 1.0501560362345E+21
Height 9773132.1263865