20647531 (number)

20647531 is an odd 8-digits composite number following 20647530 and preceding 20647532. In scientific notation, it is written as 2.0647531 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20443000 positive integers (up to 20647531) that are relatively prime to 20647531.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-seven thousand five hundred thirty-one

Notation

Scientific notation 2.0647531 × 10^7
Engineering notation 2.0647531 × 10^6

Prime Factorization of 20647531

Prime Factorization 101 × 204431

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20647531
Product of the distinct prime numbers

The prime factorization of 20647531 is 101 × 204431. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20647531)

Multiplication

n×y
n×2 41295062
n×3 61942593
n×4 82590124
n×5 103237655

Division

n÷y
n÷2 10323765.5
n÷3 6882510.3333333
n÷3 5161882.75
n÷5 4129506.2

Exponentiation

ny
n2 426320536395961
n3 8.8024664911722E+21
n4 1.8174919975294E+29
n5 3.752672236124E+36

Nth Root

y√n
2√n 4543.9554355209
3√n 274.34015243318
4√n 67.408867632685
5√n 29.038462989923

Divisors of 20647531

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 -20647530
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 20647531 can be divided by 4 positive divisors. The sum of these divisors (counting 20647531) is 1, the average is 0.25.

Base conversion 20647531

Base System Value
2 Binary 1001110110000111001101011
3 Ternary 1102212000002101
4 Quaternary 1032300321223
5 Quinary 20241210111
6 Senary 2014314231
8 Octal 116607153
10 Decimal 20647531
12 Duodecimal 6ab8977
16 Hexadecimal 13b0e6b
20 Vigesimal 690igb
36 Base36 cajqj

Cryptographic Hash Functions

md5 de9fac7ebd4791a314786f483e9482d7
sha1 d781061d61f148f1a2a86ae71ecd31d05e629d70
sha256 8f4dd4784d803942c83d050f25bc3977a42c27c05421ce2bee0b6068d9fd2f6a
sha512 50f504f964c8e5b56dcef13e864b0cd8e710d55164048e5a0bc0b1ce06d2670dfcc3c1c617d5e09f5176d0e6e2f65680ac900dfad2dc95a31843973a58d7a3e6
ripemd-160 02cc60de77be4efbe1a4fd3675a71a03bca19f6d

20647531 as geometric shapes

Circle

Radius = n
Diameter 41295062
Circumference 129732263.40874
Area 1.339325465216E+15

Sphere

Radius = n
Volume 3.6871685416183E+22
Surface area 5.357301860864E+15
Circumference 129732263.40874

Square

Length = n
Perimeter 82590124
Area 426320536395961
Diagonal 29200018.369719

Cube

Length = n
Surface area 2557923218375766
Volume 8.8024664911722E+21
Space diagonal 35762572.742853

Equilateral Triangle

Length = n
Perimeter 61942593
Area 1.8460220733696E+14
Altitude 17881286.371427

Triangular Pyramid

Length = n
Surface area 1.8460220733696E+14
Volume 1.0373806245125E+21
Height 9733339.456573