21554218 (number)

21554218 is an even 8-digits composite number following 21554217 and preceding 21554219. In scientific notation, it is written as 2.1554218 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 9237480 positive integers (up to 21554218) that are relatively prime to 21554218.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand two hundred eighteen

Notation

Scientific notation 2.1554218 × 10^7
Engineering notation 2.1554218 × 10^6

Prime Factorization of 21554218

Prime Factorization 2 × 7 × 7 × 219941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3079174
Product of the distinct prime numbers

The prime factorization of 21554218 is 2 × 7 × 7 × 219941. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554218)

Multiplication

n×y
n×2 43108436
n×3 64662654
n×4 86216872
n×5 107771090

Division

n÷y
n÷2 10777109
n÷3 7184739.3333333
n÷3 5388554.5
n÷5 4310843.6

Exponentiation

ny
n2 464584313591524
n3 1.0013751574532E+22
n4 2.1583858443531E+29
n5 4.65223190173E+36

Nth Root

y√n
2√n 4642.6520438215
3√n 278.29843045033
4√n 68.13700935484
5√n 29.289128823038

Divisors of 21554218

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 -21554217
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 21554218 can be divided by 12 positive divisors. The sum of these divisors (counting 21554218) is 1, the average is 0.083333333333333.

Base conversion 21554218

Base System Value
2 Binary 1010010001110010000101010
3 Ternary 1111120001211101
4 Quaternary 1102032100222
5 Quinary 21004213333
6 Senary 2045552014
8 Octal 122162052
10 Decimal 21554218
12 Duodecimal 727560a
16 Hexadecimal 148e42a
20 Vigesimal 6ee5ai
36 Base36 ctzca

Cryptographic Hash Functions

md5 25238273891ef34bf4fef5031d3f6e81
sha1 ec2292a3bb05f9094209b8b0449ffa603a892575
sha256 34490dcbc2b8c7e09c7cda36e3f4820333058d8d58fb5038b1604b63f6ef2c81
sha512 2358efc1eefcddd0a10ba22d4c4f783fdbcd8df4aa8681690bb1297925180812e6658a4357a6aebe28e15223358a1c6ea4394f9bdb774624c210129a6519ac70
ripemd-160 9ac2f67222430fd7b14853fc04a8450e271bee21

21554218 as geometric shapes

Circle

Radius = n
Diameter 43108436
Circumference 135429145.84535
Area 1.4595346665522E+15

Sphere

Radius = n
Volume 4.1945504508564E+22
Surface area 5.8381386662088E+15
Circumference 135429145.84535

Square

Length = n
Perimeter 86216872
Area 464584313591524
Diagonal 30482267.421946

Cube

Length = n
Surface area 2787505881549144
Volume 1.0013751574532E+22
Space diagonal 37333000.693416

Equilateral Triangle

Length = n
Perimeter 64662654
Area 2.0117090888501E+14
Altitude 18666500.346708

Triangular Pyramid

Length = n
Surface area 2.0117090888501E+14
Volume 1.1801319405782E+21
Height 10160755.807315