20731691 (number)

20731691 is an odd 8-digits composite number following 20731690 and preceding 20731692. In scientific notation, it is written as 2.0731691 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20036160 positive integers (up to 20731691) that are relatively prime to 20731691.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand six hundred ninety-one

Notation

Scientific notation 2.0731691 × 10^7
Engineering notation 2.0731691 × 10^6

Prime Factorization of 20731691

Prime Factorization 109 × 41 × 4639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20731691
Product of the distinct prime numbers

The prime factorization of 20731691 is 109 × 41 × 4639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731691)

Multiplication

n×y
n×2 41463382
n×3 62195073
n×4 82926764
n×5 103658455

Division

n÷y
n÷2 10365845.5
n÷3 6910563.6666667
n÷3 5182922.75
n÷5 4146338.2

Exponentiation

ny
n2 429803011719481
n3 8.9105432298377E+21
n4 1.8473062888314E+29
n5 3.8297783162409E+36

Nth Root

y√n
2√n 4553.2066722256
3√n 274.71238690347
4√n 67.47745306564
5√n 29.062096830053

Divisors of 20731691

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 -20731690
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 20731691 can be divided by 8 positive divisors. The sum of these divisors (counting 20731691) is 1, the average is 0.125.

Base conversion 20731691

Base System Value
2 Binary 1001111000101011100101011
3 Ternary 1110000021112102
4 Quaternary 1033011130223
5 Quinary 20301403231
6 Senary 2020204015
8 Octal 117053453
10 Decimal 20731691
12 Duodecimal 6b3960b
16 Hexadecimal 13c572b
20 Vigesimal 69b94b
36 Base36 cccob

Cryptographic Hash Functions

md5 8dde36f62b5c6c009273f1683197a710
sha1 fc5e58f117d26c51eb3a2704f4ff312deb91988e
sha256 4b5f2ec940c7c799e86939e68cc0d408bb0a5f820dbc8266a23a95db4f890248
sha512 c03e5346272da7955195ebdad84201ec682695ad7df2fd849bb5d912b61e8562b42050974c775e3b9948ad9304d9a613b14330e7dcaf6aebbf43811d953c910b
ripemd-160 9832e962c38b8782b84bf84d2420f83a1b3dcc2e

20731691 as geometric shapes

Circle

Radius = n
Diameter 41463382
Circumference 130261056.28419
Area 1.3502659841087E+15

Sphere

Radius = n
Volume 3.732439620047E+22
Surface area 5.4010639364348E+15
Circumference 130261056.28419

Square

Length = n
Perimeter 82926764
Area 429803011719481
Diagonal 29319038.583128

Cube

Length = n
Surface area 2578818070316886
Volume 8.9105432298377E+21
Space diagonal 35908342.138818

Equilateral Triangle

Length = n
Perimeter 62195073
Area 1.8611016338607E+14
Altitude 17954171.069409

Triangular Pyramid

Length = n
Surface area 1.8611016338607E+14
Volume 1.0501175903123E+21
Height 9773012.8610427