21557736 (number)

21557736 is an even 8-digits composite number following 21557735 and preceding 21557737. In scientific notation, it is written as 2.1557736 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 7148832 positive integers (up to 21557736) that are relatively prime to 21557736.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1557736 × 10^7
Engineering notation 2.1557736 × 10^6

Prime Factorization of 21557736

Prime Factorization 2 × 2 × 2 × 9 × 227 × 1319

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5389434
Product of the distinct prime numbers

The prime factorization of 21557736 is 2 × 2 × 2 × 9 × 227 × 1319. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21557736)

Multiplication

n×y
n×2 43115472
n×3 64673208
n×4 86230944
n×5 107788680

Division

n÷y
n÷2 10778868
n÷3 7185912
n÷3 5389434
n÷5 4311547.2

Exponentiation

ny
n2 464735981445696
n3 1.0018655597707E+22
n4 2.1597953245029E+29
n5 4.6560297419669E+36

Nth Root

y√n
2√n 4643.0309066385
3√n 278.3135705746
4√n 68.139789452555
5√n 29.29008485335

Divisors of 21557736

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21557735
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21557736 can be divided by 32 positive divisors. The sum of these divisors (counting 21557736) is 1, the average is 0.03125.

Base conversion 21557736

Base System Value
2 Binary 1010010001111000111101000
3 Ternary 1111120020122200
4 Quaternary 1102033013220
5 Quinary 21004321421
6 Senary 2050020200
8 Octal 122170750
10 Decimal 21557736
12 Duodecimal 7277660
16 Hexadecimal 148f1e8
20 Vigesimal 6eee6g
36 Base36 cu220

Cryptographic Hash Functions

md5 91ce86d1c5f79717d3296c33de5ceee9
sha1 3900b5b340985b499f62d0311e2e0893e2fe360c
sha256 b08c7c1a9db3cad058d56bd141c47bb8f2e03143ffda1c7039fbbb3ab26953a7
sha512 4d2fff92029b5c5fd56dec609ab8aba29a5f9bd76bcb595f06bdf156899757eb7e794dead26d7667f3f54cc94a5657c610df4236f9889df9e1c4e9a2157bfee3
ripemd-160 c75fa96008c46a6961fd3d3d2b038c47c092ae9f

21557736 as geometric shapes

Circle

Radius = n
Diameter 43115472
Circumference 135451250.09126
Area 1.4600111451686E+15

Sphere

Radius = n
Volume 4.1966046432804E+22
Surface area 5.8400445806746E+15
Circumference 135451250.09126

Square

Length = n
Perimeter 86230944
Area 464735981445696
Diagonal 30487242.625259

Cube

Length = n
Surface area 2788415888674176
Volume 1.0018655597707E+22
Space diagonal 37339094.048157

Equilateral Triangle

Length = n
Perimeter 64673208
Area 2.0123658299233E+14
Altitude 18669547.024078

Triangular Pyramid

Length = n
Surface area 2.0123658299233E+14
Volume 1.1807098852519E+21
Height 10162414.20842