21302561 (number)

21302561 is an odd 8-digits composite number following 21302560 and preceding 21302562. In scientific notation, it is written as 2.1302561 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 18259332 positive integers (up to 21302561) that are relatively prime to 21302561.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred two thousand five hundred sixty-one

Notation

Scientific notation 2.1302561 × 10^7
Engineering notation 2.1302561 × 10^6

Prime Factorization of 21302561

Prime Factorization 7 × 3043223

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21302561
Product of the distinct prime numbers

The prime factorization of 21302561 is 7 × 3043223. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21302561)

Multiplication

n×y
n×2 42605122
n×3 63907683
n×4 85210244
n×5 106512805

Division

n÷y
n÷2 10651280.5
n÷3 7100853.6666667
n÷3 5325640.25
n÷5 4260512.2

Exponentiation

ny
n2 453799105158721
n3 9.6670831193891E+21
n4 2.0593362784286E+29
n5 4.3869136690737E+36

Nth Root

y√n
2√n 4615.4697485738
3√n 277.21109341915
4√n 67.937248609094
5√n 29.220413913471

Divisors of 21302561

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 -21302560
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 21302561 can be divided by 4 positive divisors. The sum of these divisors (counting 21302561) is 1, the average is 0.25.

Base conversion 21302561

Base System Value
2 Binary 1010001010000110100100001
3 Ternary 1111002021121202
4 Quaternary 1101100310201
5 Quinary 20423140221
6 Senary 2040330545
8 Octal 121206441
10 Decimal 21302561
12 Duodecimal 7173a55
16 Hexadecimal 1450d21
20 Vigesimal 6d2g81
36 Base36 col5t

Cryptographic Hash Functions

md5 93754714bc262a5366d37c6efeb3a8e3
sha1 d934a58e96eb3219f9692b9bb7238c744d17f7ca
sha256 ac6562f519f6a9cb8782423381b500d9e36b28bcb9e61ce1b3ac2ce8004dd054
sha512 72e2b715847fcaf9822412aafae23913d136d34c9f05144ac84d27a98e31aa09cf4892dbf6ae737722cfff9e667f441d5e63159258e3f2d1b8c62b9b0ca89581
ripemd-160 149e0efe2bb5ee6054fee75e8453dba7ddd31122

21302561 as geometric shapes

Circle

Radius = n
Diameter 42605122
Circumference 133847938.2805
Area 1.4256519349723E+15

Sphere

Radius = n
Volume 4.0493383079353E+22
Surface area 5.702607739889E+15
Circumference 133847938.2805

Square

Length = n
Perimeter 85210244
Area 453799105158721
Diagonal 30126370.67948

Cube

Length = n
Surface area 2722794630952326
Volume 9.6670831193891E+21
Space diagonal 36897117.983335

Equilateral Triangle

Length = n
Perimeter 63907683
Area 1.9650077664105E+14
Altitude 18448558.991668

Triangular Pyramid

Length = n
Surface area 1.9650077664105E+14
Volume 1.1392766713357E+21
Height 10042123.559827