21494938 (number)

21494938 is an even 8-digits composite number following 21494937 and preceding 21494939. In scientific notation, it is written as 2.1494938 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10736544 positive integers (up to 21494938) that are relatively prime to 21494938.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand nine hundred thirty-eight

Notation

Scientific notation 2.1494938 × 10^7
Engineering notation 2.1494938 × 10^6

Prime Factorization of 21494938

Prime Factorization 2 × 1093 × 9833

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494938
Product of the distinct prime numbers

The prime factorization of 21494938 is 2 × 1093 × 9833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494938)

Multiplication

n×y
n×2 42989876
n×3 64484814
n×4 85979752
n×5 107474690

Division

n÷y
n÷2 10747469
n÷3 7164979.3333333
n÷3 5373734.5
n÷5 4298987.6

Exponentiation

ny
n2 462032359623844
n3 9.9313569241082E+21
n4 2.1347390133958E+29
n5 4.5886082739123E+36

Nth Root

y√n
2√n 4636.2633661172
3√n 278.0430639083
4√n 68.090112102398
5√n 29.273000445843

Divisors of 21494938

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494938 can be divided by 8 positive divisors. The sum of these divisors (counting 21494938) is 1, the average is 0.125.

Base conversion 21494938

Base System Value
2 Binary 1010001111111110010011010
3 Ternary 1111110001111211
4 Quaternary 1101333302122
5 Quinary 21000314223
6 Senary 2044413334
8 Octal 121776232
10 Decimal 21494938
12 Duodecimal 724724a
16 Hexadecimal 147fc9a
20 Vigesimal 6e6h6i
36 Base36 csplm

Cryptographic Hash Functions

md5 09e9992c270a9755083c4cb64f6da062
sha1 2f25911058f9cd17424892e9442cea45908af159
sha256 3da67d45d36e07339a33ba18818f77f98e2737eb1e4cfc892d51f1e33045c9ab
sha512 8d561fcb9349e13512126b2392311b8e062a109e0404f8e718c70d70f674a64017524c33b8b1667c4b8ac8c74c1f2c729d464ee82ea4c750b7498ca6801212e2
ripemd-160 2c9df85bc81a40b790b4a5c46291c828a4685130

21494938 as geometric shapes

Circle

Radius = n
Diameter 42989876
Circumference 135056678.62034
Area 1.451517466715E+15

Sphere

Radius = n
Volume 4.1600370603942E+22
Surface area 5.8060698668601E+15
Circumference 135056678.62034

Square

Length = n
Perimeter 85979752
Area 462032359623844
Diagonal 30398432.841969

Cube

Length = n
Surface area 2772194157743064
Volume 9.9313569241082E+21
Space diagonal 37230324.721543

Equilateral Triangle

Length = n
Perimeter 64484814
Area 2.0006588040236E+14
Altitude 18615162.360771

Triangular Pyramid

Length = n
Surface area 2.0006588040236E+14
Volume 1.1704216379035E+21
Height 10132810.947323