21556908 (number)

21556908 is an even 8-digits composite number following 21556907 and preceding 21556909. In scientific notation, it is written as 2.1556908 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 7185600 positive integers (up to 21556908) that are relatively prime to 21556908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1556908 × 10^7
Engineering notation 2.1556908 × 10^6

Prime Factorization of 21556908

Prime Factorization 2 × 2 × 27 × 199601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10778454
Product of the distinct prime numbers

The prime factorization of 21556908 is 2 × 2 × 27 × 199601. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556908)

Multiplication

n×y
n×2 43113816
n×3 64670724
n×4 86227632
n×5 107784540

Division

n÷y
n÷2 10778454
n÷3 7185636
n÷3 5389227
n÷5 4311381.6

Exponentiation

ny
n2 464700282520464
n3 1.0017501237868E+22
n4 2.159463525746E+29
n5 4.6551356553862E+36

Nth Root

y√n
2√n 4642.9417398886
3√n 278.31000732803
4√n 68.139135156594
5√n 29.289859852331

Divisors of 21556908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556908 can be divided by 12 positive divisors. The sum of these divisors (counting 21556908) is 1, the average is 0.083333333333333.

Base conversion 21556908

Base System Value
2 Binary 1010010001110111010101100
3 Ternary 1111120012112000
4 Quaternary 1102032322230
5 Quinary 21004310113
6 Senary 2050012300
8 Octal 122167254
10 Decimal 21556908
12 Duodecimal 7277090
16 Hexadecimal 148eeac
20 Vigesimal 6eec58
36 Base36 cu1f0

Cryptographic Hash Functions

md5 bf2350aefb6c5c953114711e89e0c1c4
sha1 667ab939ad8a1d1557cb3b8f4ce9862b5febd05f
sha256 b34a611608d49495b0e54fdc1e25d8c82d83bdc628626d2002430f5639480798
sha512 770ea9f14fd1eaf179f3c972d57defe93ae8cbc8637be5218f569db24a8b23ca9340212ed280cf586385c97550d08b6fe68983390b6ee708e4084df8f406fd41
ripemd-160 8431bb27eba877101a1bc3d13c5ecda44ec43cb2

21556908 as geometric shapes

Circle

Radius = n
Diameter 43113816
Circumference 135446047.61382
Area 1.4598989936874E+15

Sphere

Radius = n
Volume 4.1961211061616E+22
Surface area 5.8395959747496E+15
Circumference 135446047.61382

Square

Length = n
Perimeter 86227632
Area 464700282520464
Diagonal 30486071.656429

Cube

Length = n
Surface area 2788201695122784
Volume 1.0017501237868E+22
Space diagonal 37337659.910088

Equilateral Triangle

Length = n
Perimeter 64670724
Area 2.0122112490426E+14
Altitude 18668829.955044

Triangular Pyramid

Length = n
Surface area 2.0122112490426E+14
Volume 1.1805738426401E+21
Height 10162023.885476