21242709 (number)

21242709 is an odd 8-digits composite number following 21242708 and preceding 21242710. In scientific notation, it is written as 2.1242709 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 14014080 positive integers (up to 21242709) that are relatively prime to 21242709.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1242709 × 10^7
Engineering notation 2.1242709 × 10^6

Prime Factorization of 21242709

Prime Factorization 27 × 97 × 8111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21242709
Product of the distinct prime numbers

The prime factorization of 21242709 is 27 × 97 × 8111. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21242709)

Multiplication

n×y
n×2 42485418
n×3 63728127
n×4 84970836
n×5 106213545

Division

n÷y
n÷2 10621354.5
n÷3 7080903
n÷3 5310677.25
n÷5 4248541.8

Exponentiation

ny
n2 451252685658681
n3 9.5858294869158E+21
n4 2.0362898631417E+29
n5 4.3256313002369E+36

Nth Root

y√n
2√n 4608.9813408171
3√n 276.95123105848
4√n 67.889478866884
5√n 29.203975805132

Divisors of 21242709

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 -21242708
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 21242709 can be divided by 8 positive divisors. The sum of these divisors (counting 21242709) is 1, the average is 0.125.

Base conversion 21242709

Base System Value
2 Binary 1010001000010001101010101
3 Ternary 1110222020112000
4 Quaternary 1101002031111
5 Quinary 20414231314
6 Senary 2035145513
8 Octal 121021525
10 Decimal 21242709
12 Duodecimal 7145299
16 Hexadecimal 1442355
20 Vigesimal 6cf6f9
36 Base36 cnaz9

Cryptographic Hash Functions

md5 1f2a7d4294a07af17d6c1a79f6b56530
sha1 aeab8c254a12ee68dee6feb9ff905d795203dc39
sha256 91836d52336810d1bf9cb0a0447e14fa9661eb59955136cb79aacb37690c2331
sha512 be144608678d208eeb7f7380aa48f33c78e5e6b5f766a5ed2fd735f3d6edb212053b78214a289ef6a068ce8b80b88a59b8cd7f9796d25990c0559f9ff4dd2345
ripemd-160 d5697904bf85ea55f0e2512726f224533d462693

21242709 as geometric shapes

Circle

Radius = n
Diameter 42485418
Circumference 133471877.07349
Area 1.417652122178E+15

Sphere

Radius = n
Volume 4.0153028659546E+22
Surface area 5.6706084887119E+15
Circumference 133471877.07349

Square

Length = n
Perimeter 84970836
Area 451252685658681
Diagonal 30041727.169345

Cube

Length = n
Surface area 2707516113952086
Volume 9.5858294869158E+21
Space diagonal 36793451.278401

Equilateral Triangle

Length = n
Perimeter 63728127
Area 1.9539814465319E+14
Altitude 18396725.6392

Triangular Pyramid

Length = n
Surface area 1.9539814465319E+14
Volume 1.129700838916E+21
Height 10013909.056448