21243742 (number)

21243742 is an even 8-digits composite number following 21243741 and preceding 21243743. In scientific notation, it is written as 2.1243742 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 9488160 positive integers (up to 21243742) that are relatively prime to 21243742.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand seven hundred forty-two

Notation

Scientific notation 2.1243742 × 10^7
Engineering notation 2.1243742 × 10^6

Prime Factorization of 21243742

Prime Factorization 2 × 403 × 26357

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21243742
Product of the distinct prime numbers

The prime factorization of 21243742 is 2 × 403 × 26357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243742)

Multiplication

n×y
n×2 42487484
n×3 63731226
n×4 84974968
n×5 106218710

Division

n÷y
n÷2 10621871
n÷3 7081247.3333333
n÷3 5310935.5
n÷5 4248748.4

Exponentiation

ny
n2 451296574162564
n3 9.5872279869934E+21
n4 2.0366859785087E+29
n5 4.3266831462456E+36

Nth Root

y√n
2√n 4609.0934032627
3√n 276.95572022202
4√n 67.890304191856
5√n 29.204259828419

Divisors of 21243742

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243742 can be divided by 8 positive divisors. The sum of these divisors (counting 21243742) is 1, the average is 0.125.

Base conversion 21243742

Base System Value
2 Binary 1010001000010011101011110
3 Ternary 1110222021221021
4 Quaternary 1101002131132
5 Quinary 20414244432
6 Senary 2035154354
8 Octal 121023536
10 Decimal 21243742
12 Duodecimal 71459ba
16 Hexadecimal 144275e
20 Vigesimal 6cf972
36 Base36 cnbry

Cryptographic Hash Functions

md5 a1d6d62fdc45028648d584b8f6dc81c2
sha1 a5c53d1432118f79b39f10919a1a371d0d13411e
sha256 4a928eeaf4987f360d8f7a06d6b25d03877aa74763ee09638522ca74da12afec
sha512 c293f4b69d4b81429ac063849c228cc20c9b7732843668e523e2a8659fdaf6ce34f78752be1bb048d24cfb7279d6e8bc5e2f39a8d9aa67ce154256836f8caeeb
ripemd-160 96dc058e88c8f11fafc90741cd4ed1852ad0fefc

21243742 as geometric shapes

Circle

Radius = n
Diameter 42487484
Circumference 133478367.60391
Area 1.4177900019794E+15

Sphere

Radius = n
Volume 4.0158886682972E+22
Surface area 5.6711600079174E+15
Circumference 133478367.60391

Square

Length = n
Perimeter 84974968
Area 451296574162564
Diagonal 30043188.051955

Cube

Length = n
Surface area 2707779444975384
Volume 9.5872279869934E+21
Space diagonal 36795240.486885

Equilateral Triangle

Length = n
Perimeter 63731226
Area 1.9541714893283E+14
Altitude 18397620.243442

Triangular Pyramid

Length = n
Surface area 1.9541714893283E+14
Volume 1.1298656537307E+21
Height 10014396.017318