21556856 (number)

21556856 is an even 8-digits composite number following 21556855 and preceding 21556857. In scientific notation, it is written as 2.1556856 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors. There are 10778424 positive integers (up to 21556856) that are relatively prime to 21556856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1556856 × 10^7
Engineering notation 2.1556856 × 10^6

Prime Factorization of 21556856

Prime Factorization 2 × 2 × 2 × 2694607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5389214
Product of the distinct prime numbers

The prime factorization of 21556856 is 2 × 2 × 2 × 2694607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556856)

Multiplication

n×y
n×2 43113712
n×3 64670568
n×4 86227424
n×5 107784280

Division

n÷y
n÷2 10778428
n÷3 7185618.6666667
n÷3 5389214
n÷5 4311371.2

Exponentiation

ny
n2 464698040604736
n3 1.0017428744798E+22
n4 2.1594426894188E+29
n5 4.6550795096054E+36

Nth Root

y√n
2√n 4642.9361399873
3√n 278.30978354621
4√n 68.139094064915
5√n 29.289845721601

Divisors of 21556856

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 -21556855
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 21556856 can be divided by 8 positive divisors. The sum of these divisors (counting 21556856) is 1, the average is 0.125.

Base conversion 21556856

Base System Value
2 Binary 1010010001110111001111000
3 Ternary 1111120012110002
4 Quaternary 1102032321320
5 Quinary 21004304411
6 Senary 2050012132
8 Octal 122167170
10 Decimal 21556856
12 Duodecimal 7277048
16 Hexadecimal 148ee78
20 Vigesimal 6eec2g
36 Base36 cu1dk

Cryptographic Hash Functions

md5 db7f8e8e0de53704688dc9659bf11593
sha1 7b0fe2969697ae8ba3cef5a85e475fa76228e169
sha256 0a476270ba55d9dabd9476c6d50fabb19471cdb01fe0a7c299ed3c83d3df4e54
sha512 7d7d9c8b31eb4b63e139aecb68602ac03b5a9ac9a8671dd1dba658df371b383a237ef73b7e4581486c8fdac1affc780636cf10f8b070c037a6f9c0282b779f1d
ripemd-160 5ebf06d39284302e7f5e43daa249826016cfd8bf

21556856 as geometric shapes

Circle

Radius = n
Diameter 43113712
Circumference 135445720.88819
Area 1.4598919505014E+15

Sphere

Radius = n
Volume 4.1960907403357E+22
Surface area 5.8395678020056E+15
Circumference 135445720.88819

Square

Length = n
Perimeter 86227424
Area 464698040604736
Diagonal 30485998.117324

Cube

Length = n
Surface area 2788188243628416
Volume 1.0017428744798E+22
Space diagonal 37337569.843446

Equilateral Triangle

Length = n
Perimeter 64670568
Area 2.0122015412628E+14
Altitude 18668784.921723

Triangular Pyramid

Length = n
Surface area 2.0122015412628E+14
Volume 1.18056529925E+21
Height 10161999.372441