21456543 (number)

21456543 is an odd 8-digits composite number following 21456542 and preceding 21456544. In scientific notation, it is written as 2.1456543 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14304360 positive integers (up to 21456543) that are relatively prime to 21456543.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-six thousand five hundred forty-three

Notation

Scientific notation 2.1456543 × 10^7
Engineering notation 2.1456543 × 10^6

Prime Factorization of 21456543

Prime Factorization 3 × 7152181

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21456543
Product of the distinct prime numbers

The prime factorization of 21456543 is 3 × 7152181. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21456543)

Multiplication

n×y
n×2 42913086
n×3 64369629
n×4 85826172
n×5 107282715

Division

n÷y
n÷2 10728271.5
n÷3 7152181
n÷3 5364135.75
n÷5 4291308.6

Exponentiation

ny
n2 460383237510849
n3 9.8782327321307E+21
n4 2.1195272538097E+29
n5 4.547772766104E+36

Nth Root

y√n
2√n 4632.1207885805
3√n 277.87741520149
4√n 68.059685486935
5√n 29.262535277162

Divisors of 21456543

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 -21456542
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 21456543 can be divided by 4 positive divisors. The sum of these divisors (counting 21456543) is 1, the average is 0.25.

Base conversion 21456543

Base System Value
2 Binary 1010001110110011010011111
3 Ternary 1111101002211210
4 Quaternary 1101312122133
5 Quinary 20443102133
6 Senary 2043515503
8 Octal 121663237
10 Decimal 21456543
12 Duodecimal 7228b93
16 Hexadecimal 147669f
20 Vigesimal 6e2173
36 Base36 crvz3

Cryptographic Hash Functions

md5 893061c67262e20eefddb0f6bd4c1945
sha1 078a1c35d9a1c7991d1f15d111273ba2cd934106
sha256 ce936e06dd6baa88e05efbc4443c5dcaceaaecdebadd268984288e923e540a55
sha512 1af992e5c6b9f2307532626d75e4e86015252e7179f07b62c6134837e788c70f50f726750c2648be38ab58367b7e13dfc538b8332d879143cca13373ce108d0c
ripemd-160 455990d25699ccf7ea273b59e1f6f1059ee3fb04

21456543 as geometric shapes

Circle

Radius = n
Diameter 42913086
Circumference 134815435.72047
Area 1.4463365968E+15

Sphere

Radius = n
Volume 4.137784450895E+22
Surface area 5.7853463871999E+15
Circumference 134815435.72047

Square

Length = n
Perimeter 85826172
Area 460383237510849
Diagonal 30344134.112241

Cube

Length = n
Surface area 2762299425065094
Volume 9.8782327321307E+21
Space diagonal 37163822.630786

Equilateral Triangle

Length = n
Perimeter 64369629
Area 1.9935178958046E+14
Altitude 18581911.315393

Triangular Pyramid

Length = n
Surface area 1.9935178958046E+14
Volume 1.1641608918381E+21
Height 10114711.370747