20213645 (number)

20213645 is an odd 8-digits composite number following 20213644 and preceding 20213646. In scientific notation, it is written as 2.0213645 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 16170912 positive integers (up to 20213645) that are relatively prime to 20213645.

Interesting facts

Basic properties

Name

Name twenty million two hundred thirteen thousand six hundred forty-five

Notation

Scientific notation 2.0213645 × 10^7
Engineering notation 2.0213645 × 10^6

Prime Factorization of 20213645

Prime Factorization 5 × 4042729

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20213645
Product of the distinct prime numbers

The prime factorization of 20213645 is 5 × 4042729. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20213645)

Multiplication

n×y
n×2 40427290
n×3 60640935
n×4 80854580
n×5 101068225

Division

n÷y
n÷2 10106822.5
n÷3 6737881.6666667
n÷3 5053411.25
n÷5 4042729

Exponentiation

ny
n2 408591444186025
n3 8.2591224028136E+21
n4 1.6694696826202E+29
n5 3.3746067502748E+36

Nth Root

y√n
2√n 4495.9587409139
3√n 272.40487659846
4√n 67.051910792414
5√n 28.915381514695

Divisors of 20213645

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 -20213644
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 20213645 can be divided by 4 positive divisors. The sum of these divisors (counting 20213645) is 1, the average is 0.25.

Base conversion 20213645

Base System Value
2 Binary 1001101000110111110001101
3 Ternary 1102000221220112
4 Quaternary 1031012332031
5 Quinary 20133314040
6 Senary 2001125405
8 Octal 115067615
10 Decimal 20213645
12 Duodecimal 6929865
16 Hexadecimal 1346f8d
20 Vigesimal 666e25
36 Base36 c18y5

Cryptographic Hash Functions

md5 0cf01a95be3ad5060bde19332b137ad1
sha1 8a3f626821704d63d045625f4abb40719da3a765
sha256 2914fc2097b7732e615521c38d38a5ffee3653ad5a0cd0e1820753c8c84aed21
sha512 3174f98eca113ce570028e5fe6549aa4a812e0967f94fce388137a9d1c18bcef1ac2919e7700377d51d411ba6f7b19a16fa7463f82bc7d2bd1a3b6f739d707ff
ripemd-160 cd90de96dc676168426b58b4bd05d220f63bea68

20213645 as geometric shapes

Circle

Radius = n
Diameter 40427290
Circumference 127006077.26854
Area 1.2836278793745E+15

Sphere

Radius = n
Volume 3.4595731021038E+22
Surface area 5.1345115174978E+15
Circumference 127006077.26854

Square

Length = n
Perimeter 80854580
Area 408591444186025
Diagonal 28586410.903995

Cube

Length = n
Surface area 2451548665116150
Volume 8.2591224028136E+21
Space diagonal 35011060.146161

Equilateral Triangle

Length = n
Perimeter 60640935
Area 1.7692528521703E+14
Altitude 17505530.07308

Triangular Pyramid

Length = n
Surface area 1.7692528521703E+14
Volume 9.7334690961321E+20
Height 9528803.634665