21061618 (number)

21061618 is an even 8-digits composite number following 21061617 and preceding 21061619. In scientific notation, it is written as 2.1061618 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 10178560 positive integers (up to 21061618) that are relatively prime to 21061618.

Interesting facts

Basic properties

Name

Name twenty-one million sixty-one thousand six hundred eighteen

Notation

Scientific notation 2.1061618 × 10^7
Engineering notation 2.1061618 × 10^6

Prime Factorization of 21061618

Prime Factorization 2 × 41 × 113 × 2273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21061618
Product of the distinct prime numbers

The prime factorization of 21061618 is 2 × 41 × 113 × 2273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 30, 5, 803, 506, 6874, 2862, 86358, 39669, 611203, 764404, 5999696, 2786234, 65506273, 71265487, 357816309, 723744243, 4718232869, 9731028770

Basic calculations (n = 21061618)

Multiplication

n×y
n×2 42123236
n×3 63184854
n×4 84246472
n×5 105308090

Division

n÷y
n÷2 10530809
n÷3 7020539.3333333
n÷3 5265404.5
n÷5 4212323.6

Exponentiation

ny
n2 443591752777924
n3 9.3427600449591E+21
n4 1.9677364313259E+29
n5 4.144371304127E+36

Nth Root

y√n
2√n 4589.2938454625
3√n 276.16199444797
4√n 67.744327035277
5√n 29.15401321592

Divisors of 21061618

1, 2, 41, 82, 113, 226, 2273, 4546, 4633, 9266, 93193, 186386, 256849, 513698, 10530809, 21061618

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 -21061617
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 21061618 can be divided by 16 positive divisors. The sum of these divisors (counting 21061618) is 1, the average is 0.0625.

Base conversion 21061618

Base System Value
2 Binary 1010000010101111111110010
3 Ternary 1110122001002221
4 Quaternary 1100111333302
5 Quinary 20342432433
6 Senary 2031231254
8 Octal 120257762
10 Decimal 21061618
12 Duodecimal 707852a
16 Hexadecimal 1415ff2
20 Vigesimal 6bce0i
36 Base36 cjf8y

Cryptographic Hash Functions

md5 997c688426ce1c690b986d5d6ac36db2
sha1 a3140dff597168c6372acb1dc81ce393cff57201
sha256 3d3f481f4c9fc47846a7cd5d2032f8b577b29d49c408efa8f9f8f7c2cab94ad5
sha512 59e4e6fe877fcf1ab71707c8a7fc07ce01a7fd5ee06d27f807008bca6661c07e3cc7bfe53ccda175cbafe83a1c4571c75b0254cf0561caa39f4b1b494b879903
ripemd-160 985f6733c146356606bfc5881293c345df627714

21061618 as geometric shapes

Circle

Radius = n
Diameter 42123236
Circumference 132334048.76303
Area 1.3935845917201E+15

Sphere

Radius = n
Volume 3.9134861761994E+22
Surface area 5.5743383668806E+15
Circumference 132334048.76303

Square

Length = n
Perimeter 84246472
Area 443591752777924
Diagonal 29785625.821121

Cube

Length = n
Surface area 2661550516667544
Volume 9.3427600449591E+21
Space diagonal 36479792.465607

Equilateral Triangle

Length = n
Perimeter 63184854
Area 1.9208086340747E+14
Altitude 18239896.232804

Triangular Pyramid

Length = n
Surface area 1.9208086340747E+14
Volume 1.1010548304649E+21
Height 9928541.9403738