21242738 (number)

21242738 is an even 8-digits composite number following 21242737 and preceding 21242739. In scientific notation, it is written as 2.1242738 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 9603840 positive integers (up to 21242738) that are relatively prime to 21242738.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-two thousand seven hundred thirty-eight

Notation

Scientific notation 2.1242738 × 10^7
Engineering notation 2.1242738 × 10^6

Prime Factorization of 21242738

Prime Factorization 2 × 11 × 193 × 5003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21242738
Product of the distinct prime numbers

The prime factorization of 21242738 is 2 × 11 × 193 × 5003. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 95, 21, 364, 902, 1562, 4351, 64020, 79647, 887803, 764275, 188773, 8209236, 31779963, 4168977, 789095932, 176551932, 7878195583, 9253106862

Basic calculations (n = 21242738)

Multiplication

n×y
n×2 42485476
n×3 63728214
n×4 84970952
n×5 106213690

Division

n÷y
n÷2 10621369
n÷3 7080912.6666667
n÷3 5310684.5
n÷5 4248547.6

Exponentiation

ny
n2 451253917736644
n3 9.5858687459531E+21
n4 2.0363009827267E+29
n5 4.3256608265206E+36

Nth Root

y√n
2√n 4608.9844868474
3√n 276.95135708732
4√n 67.889502037115
5√n 29.203983778831

Divisors of 21242738

1, 2, 11, 22, 193, 386, 2123, 4246, 5003, 10006, 55033, 110066, 965579, 1931158, 10621369, 21242738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21242737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21242738 can be divided by 16 positive divisors. The sum of these divisors (counting 21242738) is 1, the average is 0.0625.

Base conversion 21242738

Base System Value
2 Binary 1010001000010001101110010
3 Ternary 1110222020120002
4 Quaternary 1101002031302
5 Quinary 20414231423
6 Senary 2035150002
8 Octal 121021562
10 Decimal 21242738
12 Duodecimal 7145302
16 Hexadecimal 1442372
20 Vigesimal 6cf6gi
36 Base36 cnb02

Cryptographic Hash Functions

md5 00d23a51954f8cd57ae771bae7367409
sha1 fd75ef5be49ae8988be7d51f67d705ca3246afb4
sha256 9fdfd6c3d6e338707bbfb5527de54d0e845d9fde209bef1bc8754d2ec6c317f1
sha512 ff4634448eb20a45a4ce206e72b62364447d6126d3734f2f8a50096ddaa4de2c9dc2a66255a3287c9154a3470e5dbcb9a8ccbf8e751b296a1c8efc779cdf3817
ripemd-160 6d1afa7f67b9e422b0170153ae632401937181d0

21242738 as geometric shapes

Circle

Radius = n
Diameter 42485476
Circumference 133472059.28587
Area 1.4176559928651E+15

Sphere

Radius = n
Volume 4.0153193107416E+22
Surface area 5.6706239714602E+15
Circumference 133472059.28587

Square

Length = n
Perimeter 84970952
Area 451253917736644
Diagonal 30041768.181538

Cube

Length = n
Surface area 2707523506419864
Volume 9.5858687459531E+21
Space diagonal 36793501.507874

Equilateral Triangle

Length = n
Perimeter 63728214
Area 1.9539867815859E+14
Altitude 18396750.753937

Triangular Pyramid

Length = n
Surface area 1.9539867815859E+14
Volume 1.1297054656379E+21
Height 10013922.727179