21009618 (number)

21009618 is an even 8-digits composite number following 21009617 and preceding 21009619. In scientific notation, it is written as 2.1009618 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 64 positive divisors. There are 5909760 positive integers (up to 21009618) that are relatively prime to 21009618.

Interesting facts

Basic properties

Name

Name twenty-one million nine thousand six hundred eighteen

Notation

Scientific notation 2.1009618 × 10^7
Engineering notation 2.1009618 × 10^6

Prime Factorization of 21009618

Prime Factorization 2 × 27 × 3 × 7 × 191 × 97

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21009618
Product of the distinct prime numbers

The prime factorization of 21009618 is 2 × 27 × 3 × 7 × 191 × 97. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21009618)

Multiplication

n×y
n×2 42019236
n×3 63028854
n×4 84038472
n×5 105048090

Division

n÷y
n÷2 10504809
n÷3 7003206
n÷3 5252404.5
n÷5 4201923.6

Exponentiation

ny
n2 441404048505924
n3 9.2737304427629E+21
n4 1.9483753403742E+29
n5 4.0934621621882E+36

Nth Root

y√n
2√n 4583.6249846601
3√n 275.93453078525
4√n 67.702473992167
5√n 29.139603040154

Divisors of 21009618

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21009617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21009618 can be divided by 64 positive divisors. The sum of these divisors (counting 21009618) is 1, the average is 0.015625.

Base conversion 21009618

Base System Value
2 Binary 1010000001001010011010010
3 Ternary 1110112101210000
4 Quaternary 1100021103102
5 Quinary 20334301433
6 Senary 2030150430
8 Octal 120112322
10 Decimal 21009618
12 Duodecimal 7052416
16 Hexadecimal 14094d2
20 Vigesimal 6b640i
36 Base36 cib4i

Cryptographic Hash Functions

md5 692c06e1421c212861ff091e2c353707
sha1 f2c7d022a6cc18ce23b6f603310a270e3cdc735f
sha256 8874877f4002fdb59c5c13a64a1a72ac211bddb4ebebe55b37a249cd6e0eed28
sha512 e9a11250914dfaba29164a5f87217f33667e6ed552373485fa080f09dc51846c5217c54dfe8e648a8ca408fd2d1db5241d514d14aa9fe4df594262dcdae3064f
ripemd-160 da03b47258be32a7edaab1dbf27bb6bfede1ccc2

21009618 as geometric shapes

Circle

Radius = n
Diameter 42019236
Circumference 132007323.12706
Area 1.386711716051E+15

Sphere

Radius = n
Volume 3.8845711240475E+22
Surface area 5.546846864204E+15
Circumference 132007323.12706

Square

Length = n
Perimeter 84038472
Area 441404048505924
Diagonal 29712086.715878

Cube

Length = n
Surface area 2648424291035544
Volume 9.2737304427629E+21
Space diagonal 36389725.823614

Equilateral Triangle

Length = n
Perimeter 63028854
Area 1.9113355966971E+14
Altitude 18194862.911807

Triangular Pyramid

Length = n
Surface area 1.9113355966971E+14
Volume 1.092919613829E+21
Height 9904028.9052926