21090561 (number)

21090561 is an odd 8-digits composite number following 21090560 and preceding 21090562. In scientific notation, it is written as 2.1090561 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 14043120 positive integers (up to 21090561) that are relatively prime to 21090561.

Interesting facts

Basic properties

Name

Name twenty-one million ninety thousand five hundred sixty-one

Notation

Scientific notation 2.1090561 × 10^7
Engineering notation 2.1090561 × 10^6

Prime Factorization of 21090561

Prime Factorization 3 × 911 × 7717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21090561
Product of the distinct prime numbers

The prime factorization of 21090561 is 3 × 911 × 7717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21090561)

Multiplication

n×y
n×2 42181122
n×3 63271683
n×4 84362244
n×5 105452805

Division

n÷y
n÷2 10545280.5
n÷3 7030187
n÷3 5272640.25
n÷5 4218112.2

Exponentiation

ny
n2 444811763294721
n3 9.3813296272849E+21
n4 1.9785750476536E+29
n5 4.1729257735616E+36

Nth Root

y√n
2√n 4592.4460802496
3√n 276.28843769457
4√n 67.767588715031
5√n 29.162021538567

Divisors of 21090561

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 -21090560
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 21090561 can be divided by 8 positive divisors. The sum of these divisors (counting 21090561) is 1, the average is 0.125.

Base conversion 21090561

Base System Value
2 Binary 1010000011101000100000001
3 Ternary 1110200111210220
4 Quaternary 1100131010001
5 Quinary 20344344221
6 Senary 2032013253
8 Octal 120350401
10 Decimal 21090561
12 Duodecimal 7091229
16 Hexadecimal 141d101
20 Vigesimal 6bg681
36 Base36 ck1kx

Cryptographic Hash Functions

md5 33b5d77fa1ac92492e78d2109c29ecae
sha1 2edc9cc556b3f56ad650c74ae3ca69849115fbf3
sha256 50e7c9175ef30ad0a0980d64da283523a55ef2578e2854c140e5ddf323b3b1dd
sha512 55a88534f2eae17c95be2563b64df0f8b6676db219573af755b5d88182516d71eaf147aee90fecca94d9ae8966fb7894812271a97aca7ab4e2c07eeb64d3caf8
ripemd-160 113d17dc5e3542915bfc76b733b09e8a2c5a74bc

21090561 as geometric shapes

Circle

Radius = n
Diameter 42181122
Circumference 132515902.99537
Area 1.397417367797E+15

Sphere

Radius = n
Volume 3.9296421650643E+22
Surface area 5.5896694711881E+15
Circumference 132515902.99537

Square

Length = n
Perimeter 84362244
Area 444811763294721
Diagonal 29826557.404257

Cube

Length = n
Surface area 2668870579768326
Volume 9.3813296272849E+21
Space diagonal 36529923.212131

Equilateral Triangle

Length = n
Perimeter 63271683
Area 1.9260914345769E+14
Altitude 18264961.606065

Triangular Pyramid

Length = n
Surface area 1.9260914345769E+14
Volume 1.1056002993332E+21
Height 9942185.801419