21242456 (number)

21242456 is an even 8-digits composite number following 21242455 and preceding 21242457. In scientific notation, it is written as 2.1242456 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 10062144 positive integers (up to 21242456) that are relatively prime to 21242456.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-two thousand four hundred fifty-six

Notation

Scientific notation 2.1242456 × 10^7
Engineering notation 2.1242456 × 10^6

Prime Factorization of 21242456

Prime Factorization 2 × 2 × 2 × 19 × 139753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5310614
Product of the distinct prime numbers

The prime factorization of 21242456 is 2 × 2 × 2 × 19 × 139753. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 40, 14, 155, 118, 2259, 1985, 10128, 43474, 829823, 436024, 9254923, 1075360, 29479449, 13392050, 562751233, 372711718, 4503038480, 2167051059

Basic calculations (n = 21242456)

Multiplication

n×y
n×2 42484912
n×3 63727368
n×4 84969824
n×5 106212280

Division

n÷y
n÷2 10621228
n÷3 7080818.6666667
n÷3 5310614
n÷5 4248491.2

Exponentiation

ny
n2 451241936911936
n3 9.5854869902066E+21
n4 2.0361928562804E+29
n5 4.325373715705E+36

Nth Root

y√n
2√n 4608.9538943235
3√n 276.95013156061
4√n 67.889276725588
5√n 29.203906241113

Divisors of 21242456

1, 2, 4, 8, 19, 38, 76, 152, 139753, 279506, 559012, 1118024, 2655307, 5310614, 10621228, 21242456

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 -21242455
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 21242456 can be divided by 16 positive divisors. The sum of these divisors (counting 21242456) is 1, the average is 0.0625.

Base conversion 21242456

Base System Value
2 Binary 1010001000010001001011000
3 Ternary 1110222020011122
4 Quaternary 1101002021120
5 Quinary 20414224311
6 Senary 2035144412
8 Octal 121021130
10 Decimal 21242456
12 Duodecimal 7145108
16 Hexadecimal 1442258
20 Vigesimal 6cf62g
36 Base36 cnas8

Cryptographic Hash Functions

md5 1e8f3b44924350a61eb75bea4c71eef0
sha1 cf6613b50c2f57ddc7fd54d0f2b04e6e7567c0f0
sha256 2613c85f0157a75676768f7861913b4bf1b10b2c2942180e8dda6e7927d0dfe3
sha512 d211dbbb629c86a007eda33c73b10ff3fe7e330d533ba28797cf97d05014809de5aceb4041ec0e8cfaba1c2642f08988aa281e02b13291eabe20f770ce276c5a
ripemd-160 094042f03c59e705c1e124e6145b1d302e8a8102

21242456 as geometric shapes

Circle

Radius = n
Diameter 42484912
Circumference 133470287.42761
Area 1.4176183539942E+15

Sphere

Radius = n
Volume 4.0151594012685E+22
Surface area 5.6704734159767E+15
Circumference 133470287.42761

Square

Length = n
Perimeter 84969824
Area 451241936911936
Diagonal 30041369.373314

Cube

Length = n
Surface area 2707451621471616
Volume 9.5854869902066E+21
Space diagonal 36793013.069546

Equilateral Triangle

Length = n
Perimeter 63727368
Area 1.9539349030932E+14
Altitude 18396506.534773

Triangular Pyramid

Length = n
Surface area 1.9539349030932E+14
Volume 1.1296604752918E+21
Height 10013789.791105