21306518 (number)

21306518 is an even 8-digits composite number following 21306517 and preceding 21306519. In scientific notation, it is written as 2.1306518 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 10653258 positive integers (up to 21306518) that are relatively prime to 21306518.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred six thousand five hundred eighteen

Notation

Scientific notation 2.1306518 × 10^7
Engineering notation 2.1306518 × 10^6

Prime Factorization of 21306518

Prime Factorization 2 × 10653259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21306518
Product of the distinct prime numbers

The prime factorization of 21306518 is 2 × 10653259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21306518)

Multiplication

n×y
n×2 42613036
n×3 63919554
n×4 85226072
n×5 106532590

Division

n÷y
n÷2 10653259
n÷3 7102172.6666667
n÷3 5326629.5
n÷5 4261303.6

Exponentiation

ny
n2 453967709284324
n3 9.6724711692852E+21
n4 2.0608668107286E+29
n5 4.3909895798391E+36

Nth Root

y√n
2√n 4615.8983957622
3√n 277.22825655719
4√n 67.940403264642
5√n 29.221499384723

Divisors of 21306518

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21306517
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21306518 can be divided by 4 positive divisors. The sum of these divisors (counting 21306518) is 1, the average is 0.25.

Base conversion 21306518

Base System Value
2 Binary 1010001010001110010010110
3 Ternary 1111002111001022
4 Quaternary 1101101302112
5 Quinary 20423302033
6 Senary 2040401142
8 Octal 121216226
10 Decimal 21306518
12 Duodecimal 71761b2
16 Hexadecimal 1451c96
20 Vigesimal 6d365i
36 Base36 coo7q

Cryptographic Hash Functions

md5 09dc1470237f977e0f376c617665bba9
sha1 20d5001910bca3a836995ed2794a149636abf106
sha256 5615e6e2e59fb54981073693e566ba243e9cb45eaeb3a3102b78b60919dc0799
sha512 d8c3607eda1c78fc971b76c974ccf1ec13a0bfe5f0375611fa5a2e0ff01489cd81e7fda50ad430a7347546bf6d5c2835b28547a740c38b65b5169ad95d240a38
ripemd-160 c21792faab72229906241458960945eb59aeec71

21306518 as geometric shapes

Circle

Radius = n
Diameter 42613036
Circumference 133872800.84476
Area 1.4261816204546E+15

Sphere

Radius = n
Volume 4.0515952489981E+22
Surface area 5.7047264818185E+15
Circumference 133872800.84476

Square

Length = n
Perimeter 85226072
Area 453967709284324
Diagonal 30131966.722546

Cube

Length = n
Surface area 2723806255705944
Volume 9.6724711692852E+21
Space diagonal 36903971.708381

Equilateral Triangle

Length = n
Perimeter 63919554
Area 1.9657378436903E+14
Altitude 18451985.85419

Triangular Pyramid

Length = n
Surface area 1.9657378436903E+14
Volume 1.1399116591055E+21
Height 10043988.907515