21243640 (number)

21243640 is an even 8-digits composite number following 21243639 and preceding 21243641. In scientific notation, it is written as 2.1243640 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors. There are 7724800 positive integers (up to 21243640) that are relatively prime to 21243640.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand six hundred forty

Notation

Scientific notation 2.1243640 × 10^7
Engineering notation 2.1243640 × 10^6

Prime Factorization of 21243640

Prime Factorization 2 × 2 × 2 × 11 × 5 × 48281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5310910
Product of the distinct prime numbers

The prime factorization of 21243640 is 2 × 2 × 2 × 11 × 5 × 48281. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 9, 49, 32, 754, 268, 4201, 1915, 5921, 32235, 248232, 478452, 955779, 989927, 26373376, 67016653, 266639476, 562956175, 6222997180, 9246239295

Basic calculations (n = 21243640)

Multiplication

n×y
n×2 42487280
n×3 63730920
n×4 84974560
n×5 106218200

Division

n÷y
n÷2 10621820
n÷3 7081213.3333333
n÷3 5310910
n÷5 4248728

Exponentiation

ny
n2 451292240449600
n3 9.5870898909047E+21
n4 2.0366468629002E+29
n5 4.3265792762581E+36

Nth Root

y√n
2√n 4609.0823381667
3√n 276.95527696162
4√n 67.890222699345
5√n 29.204231784017

Divisors of 21243640

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48281, 96562, 193124, 241405, 386248, 482810, 531091, 965620, 1062182, 1931240, 2124364, 2655455, 4248728, 5310910, 10621820, 21243640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243640 can be divided by 32 positive divisors. The sum of these divisors (counting 21243640) is 1, the average is 0.03125.

Base conversion 21243640

Base System Value
2 Binary 1010001000010011011111000
3 Ternary 1110222021210111
4 Quaternary 1101002123320
5 Quinary 20414244030
6 Senary 2035154104
8 Octal 121023370
10 Decimal 21243640
12 Duodecimal 7145934
16 Hexadecimal 14426f8
20 Vigesimal 6cf920
36 Base36 cnbp4

Cryptographic Hash Functions

md5 6ea2a9e92d6693169cabde74dd8396bf
sha1 11bd4204fba7356f3af0639739d435343fe269f4
sha256 5b602763a9803dd711fe4098c0e9272c3cca1d6228a3cdf034e7bcf519394777
sha512 0bf846631435b45b49e5c9e8fd37a920bb5840fafded6d7e9801476c3694d311a215cdd4e1c2ebec924f210cb7faf83afa0dabdbb9be13d0cd8dc738e86c8cf5
ripemd-160 fbd904b01b212751b0d18a3bbc702c85ac1b5e85

21243640 as geometric shapes

Circle

Radius = n
Diameter 42487280
Circumference 133477726.71901
Area 1.4177763872185E+15

Sphere

Radius = n
Volume 4.0158308227428E+22
Surface area 5.6711055488742E+15
Circumference 133477726.71901

Square

Length = n
Perimeter 84974560
Area 451292240449600
Diagonal 30043043.802172

Cube

Length = n
Surface area 2707753442697600
Volume 9.5870898909047E+21
Space diagonal 36795063.817703

Equilateral Triangle

Length = n
Perimeter 63730920
Area 1.9541527238007E+14
Altitude 18397531.908851

Triangular Pyramid

Length = n
Surface area 1.9541527238007E+14
Volume 1.1298493789506E+21
Height 10014347.934057