21556545 (number)

21556545 is an odd 8-digits composite number following 21556544 and preceding 21556546. In scientific notation, it is written as 2.1556545 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10632384 positive integers (up to 21556545) that are relatively prime to 21556545.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1556545 × 10^7
Engineering notation 2.1556545 × 10^6

Prime Factorization of 21556545

Prime Factorization 5 × 57 × 43 × 1759

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21556545
Product of the distinct prime numbers

The prime factorization of 21556545 is 5 × 57 × 43 × 1759. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556545)

Multiplication

n×y
n×2 43113090
n×3 64669635
n×4 86226180
n×5 107782725

Division

n÷y
n÷2 10778272.5
n÷3 7185515
n÷3 5389136.25
n÷5 4311309

Exponentiation

ny
n2 464684632337025
n3 1.0016995187782E+22
n4 2.159318075302E+29
n5 4.654743725956E+36

Nth Root

y√n
2√n 4642.9026481286
3√n 278.3084451513
4√n 68.138848303509
5√n 29.2897612084

Divisors of 21556545

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556545 can be divided by 16 positive divisors. The sum of these divisors (counting 21556545) is 1, the average is 0.0625.

Base conversion 21556545

Base System Value
2 Binary 1010010001110110101000001
3 Ternary 1111120012000120
4 Quaternary 1102032311001
5 Quinary 21004302140
6 Senary 2050010453
8 Octal 122166501
10 Decimal 21556545
12 Duodecimal 7276a29
16 Hexadecimal 148ed41
20 Vigesimal 6eeb75
36 Base36 cu14x

Cryptographic Hash Functions

md5 e44da7b26f5facbebfd712d30d4be03b
sha1 136e8a69e55ec2bffda4772c9e55b480ce9fea15
sha256 6c756411d30ad015e82d751e72cadda403a5c6e853f1fcc55342dcf431a14324
sha512 189fd36af759222b099f926527abc399ecf2ecfeef053d1dcb383980c49607f036ea370ad2d9e0444849703d6c640170baf382765093a3d5a5c290fa26b4ad65
ripemd-160 6766b8006f009551b7af929219290574b45eeaf4

21556545 as geometric shapes

Circle

Radius = n
Diameter 43113090
Circumference 135443766.81756
Area 1.4598498271861E+15

Sphere

Radius = n
Volume 4.1959091323972E+22
Surface area 5.8393993087443E+15
Circumference 135443766.81756

Square

Length = n
Perimeter 86226180
Area 464684632337025
Diagonal 30485558.296906

Cube

Length = n
Surface area 2788107794022150
Volume 1.0016995187782E+22
Space diagonal 37337031.175645

Equilateral Triangle

Length = n
Perimeter 64669635
Area 2.0121434817605E+14
Altitude 18668515.587822

Triangular Pyramid

Length = n
Surface area 2.0121434817605E+14
Volume 1.1805142040656E+21
Height 10161852.765635