21081441 (number)

21081441 is an odd 8-digits composite number following 21081440 and preceding 21081442. In scientific notation, it is written as 2.1081441 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14054292 positive integers (up to 21081441) that are relatively prime to 21081441.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand four hundred forty-one

Notation

Scientific notation 2.1081441 × 10^7
Engineering notation 2.1081441 × 10^6

Prime Factorization of 21081441

Prime Factorization 3 × 7027147

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21081441
Product of the distinct prime numbers

The prime factorization of 21081441 is 3 × 7027147. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081441)

Multiplication

n×y
n×2 42162882
n×3 63244323
n×4 84325764
n×5 105407205

Division

n÷y
n÷2 10540720.5
n÷3 7027147
n÷3 5270360.25
n÷5 4216288.2

Exponentiation

ny
n2 444427154636481
n3 9.3691648392669E+21
n4 1.9751549577828E+29
n5 4.1639112708355E+36

Nth Root

y√n
2√n 4591.4530379826
3√n 276.24860765185
4√n 67.760261495825
5√n 29.159499048523

Divisors of 21081441

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 -21081440
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 21081441 can be divided by 4 positive divisors. The sum of these divisors (counting 21081441) is 1, the average is 0.25.

Base conversion 21081441

Base System Value
2 Binary 1010000011010110101100001
3 Ternary 1110200001022010
4 Quaternary 1100122311201
5 Quinary 20344101231
6 Senary 2031503133
8 Octal 120326541
10 Decimal 21081441
12 Duodecimal 7087aa9
16 Hexadecimal 141ad61
20 Vigesimal 6bf3c1
36 Base36 cjujl

Cryptographic Hash Functions

md5 a3fbeae73049e1e8a8c166592a024100
sha1 75e8c9204aa035ea66de3d99e2359d653064340e
sha256 8ccad9199ae5d3e557a079efe46f5f795efaa74ba3dd956537c03acbcb5acf2f
sha512 65f1061db651b130a778acdfc836385cd5f2a884226fa6d5c3c4cf7e22db64ac17b634c060ce4801eafcba371f3e57817d367bfa811a2371452579aa542e557e
ripemd-160 4dda51333fd620532a69e727ac20f4612c57b749

21081441 as geometric shapes

Circle

Radius = n
Diameter 42162882
Circumference 132458600.34537
Area 1.3962090840618E+15

Sphere

Radius = n
Volume 3.924546590575E+22
Surface area 5.5848363362471E+15
Circumference 132458600.34537

Square

Length = n
Perimeter 84325764
Area 444427154636481
Diagonal 29813659.776568

Cube

Length = n
Surface area 2666562927818886
Volume 9.3691648392669E+21
Space diagonal 36514126.908766

Equilateral Triangle

Length = n
Perimeter 63244323
Area 1.9244260302341E+14
Altitude 18257063.454383

Triangular Pyramid

Length = n
Surface area 1.9244260302341E+14
Volume 1.1041666653167E+21
Height 9937886.5921894