21339938 (number)

21339938 is an even 8-digits composite number following 21339937 and preceding 21339939. In scientific notation, it is written as 2.1339938 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10669968 positive integers (up to 21339938) that are relatively prime to 21339938.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred thirty-nine thousand nine hundred thirty-eight

Notation

Scientific notation 2.1339938 × 10^7
Engineering notation 2.1339938 × 10^6

Prime Factorization of 21339938

Prime Factorization 2 × 10669969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21339938
Product of the distinct prime numbers

The prime factorization of 21339938 is 2 × 10669969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 50, 37, 713, 400, 4392, 8705, 68774, 5067, 466417, 913901, 9337656, 1000766, 32659879, 5442441, 649489152, 963160705, 2161204040, 8458994404

Basic calculations (n = 21339938)

Multiplication

n×y
n×2 42679876
n×3 64019814
n×4 85359752
n×5 106699690

Division

n÷y
n÷2 10669969
n÷3 7113312.6666667
n÷3 5334984.5
n÷5 4267987.6

Exponentiation

ny
n2 455392953843844
n3 9.7180574006645E+21
n4 2.0738274241062E+29
n5 4.4255348653126E+36

Nth Root

y√n
2√n 4619.5170743271
3√n 277.3731281627
4√n 67.967029318098
5√n 29.230660622277

Divisors of 21339938

1, 2, 10669969, 21339938

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21339937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21339938 can be divided by 4 positive divisors. The sum of these divisors (counting 21339938) is 1, the average is 0.25.

Base conversion 21339938

Base System Value
2 Binary 1010001011001111100100010
3 Ternary 1111011011220002
4 Quaternary 1101121330202
5 Quinary 20430334223
6 Senary 2041220002
8 Octal 121317442
10 Decimal 21339938
12 Duodecimal 7191602
16 Hexadecimal 1459f22
20 Vigesimal 6d79gi
36 Base36 cpe02

Cryptographic Hash Functions

md5 823b3fc18c301c94381ad558380f9fdf
sha1 1e28019847bb8a82f7ef9cb204742383aec67a1b
sha256 d8b5535895ea13387fcc06a5e55e18c884120cdffaf98fe405d2978cfef5187c
sha512 cbf8059834ea1d8e5e2a380f08baf604917816287ead5965c67ca6df96b8b274100a687e73fe0886bc6de05d122eb728fe97399ee692e5dd2aa6dad38cef143f
ripemd-160 8190046745fab8fe42395439d591d0ffe80b6442

21339938 as geometric shapes

Circle

Radius = n
Diameter 42679876
Circumference 134082784.89772
Area 1.4306591582924E+15

Sphere

Radius = n
Volume 4.0706903649455E+22
Surface area 5.7226366331695E+15
Circumference 134082784.89772

Square

Length = n
Perimeter 85359752
Area 455392953843844
Diagonal 30179229.739801

Cube

Length = n
Surface area 2732357723063064
Volume 9.7180574006645E+21
Space diagonal 36961856.84637

Equilateral Triangle

Length = n
Perimeter 64019814
Area 1.971909333666E+14
Altitude 18480928.423185

Triangular Pyramid

Length = n
Surface area 1.971909333666E+14
Volume 1.145284047995E+21
Height 10059743.2466