21242512 (number)

21242512 is an even 8-digits composite number following 21242511 and preceding 21242513. In scientific notation, it is written as 2.1242512 × 10^7. The sum of its digits is 19. It has a total of 6 prime factors and 20 positive divisors. There are 10590848 positive integers (up to 21242512) that are relatively prime to 21242512.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-two thousand five hundred twelve

Notation

Scientific notation 2.1242512 × 10^7
Engineering notation 2.1242512 × 10^6

Prime Factorization of 21242512

Prime Factorization 2 × 2 × 2 × 2 × 389 × 3413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2655314
Product of the distinct prime numbers

The prime factorization of 21242512 is 2 × 2 × 2 × 2 × 389 × 3413. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21242512)

Multiplication

n×y
n×2 42485024
n×3 63727536
n×4 84970048
n×5 106212560

Division

n÷y
n÷2 10621256
n÷3 7080837.3333333
n÷3 5310628
n÷5 4248502.4

Exponentiation

ny
n2 451244316070144
n3 9.5855627990518E+21
n4 2.0362143278561E+29
n5 4.3254307294056E+36

Nth Root

y√n
2√n 4608.9599694508
3√n 276.95037492848
4√n 67.889321468481
5√n 29.203921638739

Divisors of 21242512

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21242511
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21242512 can be divided by 20 positive divisors. The sum of these divisors (counting 21242512) is 1, the average is 0.05.

Base conversion 21242512

Base System Value
2 Binary 1010001000010001010010000
3 Ternary 1110222020020201
4 Quaternary 1101002022100
5 Quinary 20414230022
6 Senary 2035144544
8 Octal 121021220
10 Decimal 21242512
12 Duodecimal 7145154
16 Hexadecimal 1442290
20 Vigesimal 6cf65c
36 Base36 cnats

Cryptographic Hash Functions

md5 1b7891967b65984a5eae29240ba8965c
sha1 f788048f4514adae686913e3ad9e5b6a46be5f3d
sha256 94ab45cdc5cf4c72fe67bd4f1d9c0475cad2bb5e989e424a1da96b9c2833769e
sha512 86cdb3cebbe6256015f996ee3729377c9882c01123dff8c498fc91c129685c4e142309fb8452c59cf13133ee46dc85a5428a59de7e9c87c87b453b7abb8879ec
ripemd-160 298e697c1a39fe2b5c19bff574660e501806c1b3

21242512 as geometric shapes

Circle

Radius = n
Diameter 42485024
Circumference 133470639.28599
Area 1.4176258283401E+15

Sphere

Radius = n
Volume 4.0151911560033E+22
Surface area 5.6705033133605E+15
Circumference 133470639.28599

Square

Length = n
Perimeter 84970048
Area 451244316070144
Diagonal 30041448.569273

Cube

Length = n
Surface area 2707465896420864
Volume 9.5855627990518E+21
Space diagonal 36793110.064392

Equilateral Triangle

Length = n
Perimeter 63727536
Area 1.9539452051504E+14
Altitude 18396555.032196

Triangular Pyramid

Length = n
Surface area 1.9539452051504E+14
Volume 1.1296694094498E+21
Height 10013816.189758