21556946 (number)

21556946 is an even 8-digits composite number following 21556945 and preceding 21556947. In scientific notation, it is written as 2.1556946 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10778472 positive integers (up to 21556946) that are relatively prime to 21556946.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand nine hundred forty-six

Notation

Scientific notation 2.1556946 × 10^7
Engineering notation 2.1556946 × 10^6

Prime Factorization of 21556946

Prime Factorization 2 × 10778473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21556946
Product of the distinct prime numbers

The prime factorization of 21556946 is 2 × 10778473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556946)

Multiplication

n×y
n×2 43113892
n×3 64670838
n×4 86227784
n×5 107784730

Division

n÷y
n÷2 10778473
n÷3 7185648.6666667
n÷3 5389236.5
n÷5 4311389.2

Exponentiation

ny
n2 464701920846916
n3 1.0017554213793E+22
n4 2.1594787523881E+29
n5 4.6551766853378E+36

Nth Root

y√n
2√n 4642.9458321199
3√n 278.31017086066
4√n 68.139165185082
5√n 29.289870178616

Divisors of 21556946

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 -21556945
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 21556946 can be divided by 4 positive divisors. The sum of these divisors (counting 21556946) is 1, the average is 0.25.

Base conversion 21556946

Base System Value
2 Binary 1010010001110111011010010
3 Ternary 1111120012120102
4 Quaternary 1102032323102
5 Quinary 21004310241
6 Senary 2050012402
8 Octal 122167322
10 Decimal 21556946
12 Duodecimal 7277102
16 Hexadecimal 148eed2
20 Vigesimal 6eec76
36 Base36 cu1g2

Cryptographic Hash Functions

md5 3f6c9d36be9ce4dbd64c18a658401c4f
sha1 3fd7b6bf52b88b9998f31aa0257c63830a21644f
sha256 f81cad63fde829ded2cf4bbe26dd58458d88511254815853ea6dd4911ffc7bbd
sha512 ab62048527603dec69ec9a90abb3e644cb7968fcce9e9d21c6415813e5509b2e51c12d1171585ab5b5d6a5aeda25a2a38e7726890959b1e207f3585af2427d2e
ripemd-160 27e00a67be4abf7b26a28893d426c61d9365cf3d

21556946 as geometric shapes

Circle

Radius = n
Diameter 43113892
Circumference 135446286.37486
Area 1.4599041406417E+15

Sphere

Radius = n
Volume 4.1961432966654E+22
Surface area 5.8396165625669E+15
Circumference 135446286.37486

Square

Length = n
Perimeter 86227784
Area 464701920846916
Diagonal 30486125.396544

Cube

Length = n
Surface area 2788211525081496
Volume 1.0017554213793E+22
Space diagonal 37337725.728019

Equilateral Triangle

Length = n
Perimeter 64670838
Area 2.0122183432043E+14
Altitude 18668862.864009

Triangular Pyramid

Length = n
Surface area 2.0122183432043E+14
Volume 1.1805800859128E+21
Height 10162041.798848