21497618 (number)

21497618 is an even 8-digits composite number following 21497617 and preceding 21497619. In scientific notation, it is written as 2.1497618 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10748808 positive integers (up to 21497618) that are relatively prime to 21497618.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand six hundred eighteen

Notation

Scientific notation 2.1497618 × 10^7
Engineering notation 2.1497618 × 10^6

Prime Factorization of 21497618

Prime Factorization 2 × 10748809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21497618
Product of the distinct prime numbers

The prime factorization of 21497618 is 2 × 10748809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497618)

Multiplication

n×y
n×2 42995236
n×3 64492854
n×4 85990472
n×5 107488090

Division

n÷y
n÷2 10748809
n÷3 7165872.6666667
n÷3 5374404.5
n÷5 4299523.6

Exponentiation

ny
n2 462147579673924
n3 9.9350721274546E+21
n4 2.1358038539847E+29
n5 4.591469537589E+36

Nth Root

y√n
2√n 4636.5523829673
3√n 278.05461894581
4√n 68.092234380782
5√n 29.273730364012

Divisors of 21497618

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 -21497617
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 21497618 can be divided by 4 positive divisors. The sum of these divisors (counting 21497618) is 1, the average is 0.25.

Base conversion 21497618

Base System Value
2 Binary 1010010000000011100010010
3 Ternary 1111110012012002
4 Quaternary 1102000130102
5 Quinary 21000410433
6 Senary 2044434002
8 Octal 122003422
10 Decimal 21497618
12 Duodecimal 7248902
16 Hexadecimal 1480712
20 Vigesimal 6e740i
36 Base36 csro2

Cryptographic Hash Functions

md5 c41633a08fdf0572d73b24bcb2f877b0
sha1 dad7ab5ecfaf46ae6ededdeed013e91601c5efc7
sha256 587f7f476327de8953f096950aafb8a95fbbceac2e5dcb7bd7614270a2de0349
sha512 d666fe2f570ed67bef0f9c288e3b732ec39ab6aefaaea39a01f028998a5064bc54d41bdb7e8b248a09649fa4ee07f2ad107d959dd94cece8c48477ef19b83ee4
ripemd-160 9e153afd85122b47f6ac1287a293790c346eec07

21497618 as geometric shapes

Circle

Radius = n
Diameter 42995236
Circumference 135073517.55696
Area 1.4518794411779E+15

Sphere

Radius = n
Volume 4.1615932811328E+22
Surface area 5.8075177647116E+15
Circumference 135073517.55696

Square

Length = n
Perimeter 85990472
Area 462147579673924
Diagonal 30402222.934316

Cube

Length = n
Surface area 2772885478043544
Volume 9.9350721274546E+21
Space diagonal 37234966.617707

Equilateral Triangle

Length = n
Perimeter 64492854
Area 2.0011577214756E+14
Altitude 18617483.308854

Triangular Pyramid

Length = n
Surface area 2.0011577214756E+14
Volume 1.1708594788168E+21
Height 10134074.311439