21432457 (number)

21432457 is an odd 8-digits composite number following 21432456 and preceding 21432458. In scientific notation, it is written as 2.1432457 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21321216 positive integers (up to 21432457) that are relatively prime to 21432457.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-two thousand four hundred fifty-seven

Notation

Scientific notation 2.1432457 × 10^7
Engineering notation 2.1432457 × 10^6

Prime Factorization of 21432457

Prime Factorization 193 × 111049

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21432457
Product of the distinct prime numbers

The prime factorization of 21432457 is 193 × 111049. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21432457)

Multiplication

n×y
n×2 42864914
n×3 64297371
n×4 85729828
n×5 107162285

Division

n÷y
n÷2 10716228.5
n÷3 7144152.3333333
n÷3 5358114.25
n÷5 4286491.4

Exponentiation

ny
n2 459350213056849
n3 9.8450036892818E+21
n4 2.1100261823537E+29
n5 4.522304542217E+36

Nth Root

y√n
2√n 4629.5201695208
3√n 277.77339935617
4√n 68.040577374981
5√n 29.255962604998

Divisors of 21432457

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 -21432456
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 21432457 can be divided by 4 positive divisors. The sum of these divisors (counting 21432457) is 1, the average is 0.25.

Base conversion 21432457

Base System Value
2 Binary 1010001110000100010001001
3 Ternary 1111022212210201
4 Quaternary 1101300202021
5 Quinary 20441314312
6 Senary 2043212201
8 Octal 121604211
10 Decimal 21432457
12 Duodecimal 7217061
16 Hexadecimal 1470889
20 Vigesimal 6dj12h
36 Base36 crde1

Cryptographic Hash Functions

md5 a0ba28a2b77c58b291b6018e7039da55
sha1 10e72478af4af524f3e6553d78b4fc38ba356e0f
sha256 8cf461bab4ef275d7aeb441346323cc17962ec8fd49ed9e2606fcfe659d5818d
sha512 a21e3a96be21b8bed497b3998c29e1e4bfc430c9afb3f6dcde975c04057b011002912d665b15d1e2c2fb131ac7126872818ee7fe9bcc32998d4d22aa600c4add
ripemd-160 81dabea72aa301e09e7bef744f8ea1ca7a63ebde

21432457 as geometric shapes

Circle

Radius = n
Diameter 42864914
Circumference 134664098.91916
Area 1.4430912547643E+15

Sphere

Radius = n
Volume 4.1238655019749E+22
Surface area 5.7723650190572E+15
Circumference 134664098.91916

Square

Length = n
Perimeter 85729828
Area 459350213056849
Diagonal 30310071.364378

Cube

Length = n
Surface area 2756101278341094
Volume 9.8450036892818E+21
Space diagonal 37122104.455035

Equilateral Triangle

Length = n
Perimeter 64297371
Area 1.9890447687051E+14
Altitude 18561052.227518

Triangular Pyramid

Length = n
Surface area 1.9890447687051E+14
Volume 1.160244811583E+21
Height 10103357.121459