21242389 (number)

21242389 is an odd 8-digits composite number following 21242388 and preceding 21242390. In scientific notation, it is written as 2.1242389 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 17759664 positive integers (up to 21242389) that are relatively prime to 21242389.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-two thousand three hundred eighty-nine

Notation

Scientific notation 2.1242389 × 10^7
Engineering notation 2.1242389 × 10^6

Prime Factorization of 21242389

Prime Factorization 7 × 79 × 107 × 359

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21242389
Product of the distinct prime numbers

The prime factorization of 21242389 is 7 × 79 × 107 × 359. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 45, 77, 882, 520, 2802, 2565, 63281, 84853, 436345, 847412, 6402172, 4814530, 88218784, 23407482, 630049075, 634357284, 209863753, 4901727561

Basic calculations (n = 21242389)

Multiplication

n×y
n×2 42484778
n×3 63727167
n×4 84969556
n×5 106211945

Division

n÷y
n÷2 10621194.5
n÷3 7080796.3333333
n÷3 5310597.25
n÷5 4248477.8

Exponentiation

ny
n2 451239090427321
n3 9.5853962908633E+21
n4 2.0361671672968E+29
n5 4.3253055036746E+36

Nth Root

y√n
2√n 4608.9466258571
3√n 276.94984038778
4√n 67.889223193797
5√n 29.20388781891

Divisors of 21242389

1, 7, 79, 107, 359, 553, 749, 2513, 8453, 28361, 38413, 59171, 198527, 268891, 3034627, 21242389

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 -21242388
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 21242389 can be divided by 16 positive divisors. The sum of these divisors (counting 21242389) is 1, the average is 0.0625.

Base conversion 21242389

Base System Value
2 Binary 1010001000010001000010101
3 Ternary 1110222020002011
4 Quaternary 1101002020111
5 Quinary 20414224024
6 Senary 2035144221
8 Octal 121021025
10 Decimal 21242389
12 Duodecimal 7145071
16 Hexadecimal 1442215
20 Vigesimal 6cf5j9
36 Base36 cnaqd

Cryptographic Hash Functions

md5 f625b8d61d2810a03521f8edbeb00f91
sha1 8ef4a769f0841e879a4dfba9f2dc259a9af91d28
sha256 e551ee917e009d9650df7c175f048680bc33ae7fd04a280626b0a96d6ef1141f
sha512 1188c962ca2703433081234d95d3cee2924d7665ec818b013f0733350e9938394a21b95ba525ba2c21dc375eb0e3998320e978def75f8f009e0f8dce57b074cb
ripemd-160 ab37c82a1230adcf90abe561c17659eff122b6a7

21242389 as geometric shapes

Circle

Radius = n
Diameter 42484778
Circumference 133469866.45419
Area 1.417609411499E+15

Sphere

Radius = n
Volume 4.0151214092164E+22
Surface area 5.670437645996E+15
Circumference 133469866.45419

Square

Length = n
Perimeter 84969556
Area 451239090427321
Diagonal 30041274.621005

Cube

Length = n
Surface area 2707434542563926
Volume 9.5853962908633E+21
Space diagonal 36792897.022142

Equilateral Triangle

Length = n
Perimeter 63727167
Area 1.9539225774532E+14
Altitude 18396448.511071

Triangular Pyramid

Length = n
Surface area 1.9539225774532E+14
Volume 1.1296497862716E+21
Height 10013758.207002