21242794 (number)

21242794 is an even 8-digits composite number following 21242793 and preceding 21242795. In scientific notation, it is written as 2.1242794 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10621396 positive integers (up to 21242794) that are relatively prime to 21242794.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-two thousand seven hundred ninety-four

Notation

Scientific notation 2.1242794 × 10^7
Engineering notation 2.1242794 × 10^6

Prime Factorization of 21242794

Prime Factorization 2 × 10621397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21242794
Product of the distinct prime numbers

The prime factorization of 21242794 is 2 × 10621397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21242794)

Multiplication

n×y
n×2 42485588
n×3 63728382
n×4 84971176
n×5 106213970

Division

n÷y
n÷2 10621397
n÷3 7080931.3333333
n÷3 5310698.5
n÷5 4248558.8

Exponentiation

ny
n2 451256296926436
n3 9.5859445568111E+21
n4 2.0363224551576E+29
n5 4.3257178432487E+36

Nth Root

y√n
2√n 4608.9905619344
3√n 276.95160045303
4√n 67.889546779562
5√n 29.203999176294

Divisors of 21242794

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 -21242793
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 21242794 can be divided by 4 positive divisors. The sum of these divisors (counting 21242794) is 1, the average is 0.25.

Base conversion 21242794

Base System Value
2 Binary 1010001000010001110101010
3 Ternary 1110222020122011
4 Quaternary 1101002032222
5 Quinary 20414232134
6 Senary 2035150134
8 Octal 121021652
10 Decimal 21242794
12 Duodecimal 714534a
16 Hexadecimal 14423aa
20 Vigesimal 6cf6je
36 Base36 cnb1m

Cryptographic Hash Functions

md5 0c9c6142bb37bc5151da8c79847d3437
sha1 0954944876d99f6c7a2e7c1ae2f65e2b9ad8363d
sha256 423ed0dff7fc590e01dc56247be6ff219f75e2c67f4536fe31dcbb5a6c9e46ae
sha512 3b811389b83f11322e53c144dd8d74450b03a3d355e988c7209b2ebf6fa4647ca953c3eaa94e8179e0c8db91034e735eaf910e91f46cb532770294b3812a3311
ripemd-160 12ca02b7f9eddcd3bbbf3060265f355f9035b945

21242794 as geometric shapes

Circle

Radius = n
Diameter 42485588
Circumference 133472411.14424
Area 1.4176634673102E+15

Sphere

Radius = n
Volume 4.0153510663196E+22
Surface area 5.6706538692409E+15
Circumference 133472411.14424

Square

Length = n
Perimeter 84971176
Area 451256296926436
Diagonal 30041847.377498

Cube

Length = n
Surface area 2707537781558616
Volume 9.5859445568111E+21
Space diagonal 36793598.502719

Equilateral Triangle

Length = n
Perimeter 63728382
Area 1.9539970837799E+14
Altitude 18396799.25136

Triangular Pyramid

Length = n
Surface area 1.9539970837799E+14
Volume 1.1297144000332E+21
Height 10013949.125833