21494042 (number)

21494042 is an even 8-digits composite number following 21494041 and preceding 21494043. In scientific notation, it is written as 2.1494042 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 10747020 positive integers (up to 21494042) that are relatively prime to 21494042.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand forty-two

Notation

Scientific notation 2.1494042 × 10^7
Engineering notation 2.1494042 × 10^6

Prime Factorization of 21494042

Prime Factorization 2 × 10747021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494042
Product of the distinct prime numbers

The prime factorization of 21494042 is 2 × 10747021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494042)

Multiplication

n×y
n×2 42988084
n×3 64482126
n×4 85976168
n×5 107470210

Division

n÷y
n÷2 10747021
n÷3 7164680.6666667
n÷3 5373510.5
n÷5 4298808.4

Exponentiation

ny
n2 461993841497764
n3 9.9301150328943E+21
n4 2.1343830958186E+29
n5 4.5876519905615E+36

Nth Root

y√n
2√n 4636.1667355694
3√n 278.03920051735
4√n 68.089402520285
5√n 29.27275639726

Divisors of 21494042

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 -21494041
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 21494042 can be divided by 4 positive divisors. The sum of these divisors (counting 21494042) is 1, the average is 0.25.

Base conversion 21494042

Base System Value
2 Binary 1010001111111100100011010
3 Ternary 1111110000021122
4 Quaternary 1101333210122
5 Quinary 21000302132
6 Senary 2044405242
8 Octal 121774432
10 Decimal 21494042
12 Duodecimal 7246822
16 Hexadecimal 147f91a
20 Vigesimal 6e6f22
36 Base36 csowq

Cryptographic Hash Functions

md5 dfa4c0cfcfa37fc60cccd5116f65830d
sha1 2ecadeb71c8fce8078f37a04a0817b4df3dbd9bb
sha256 ac13e66bb471f575a3f5ad8ffe86646a44edc803a48907458a067b0404b06eed
sha512 0370d9922ec3d9ef0e00afec4ad569633e9adbab66a35131d9e26f573e6c64808854579c55be867e7aa99d78b797b82e20bdd3d5f308b3722d65f790a175ff9b
ripemd-160 ca979a7d77d753aae40da365cb4246d9ef2ab4a7

21494042 as geometric shapes

Circle

Radius = n
Diameter 42988084
Circumference 135051048.8863
Area 1.4513964584531E+15

Sphere

Radius = n
Volume 4.159516858219E+22
Surface area 5.8055858338124E+15
Circumference 135051048.8863

Square

Length = n
Perimeter 85976168
Area 461993841497764
Diagonal 30397165.706617

Cube

Length = n
Surface area 2771963048986584
Volume 9.9301150328943E+21
Space diagonal 37228772.804019

Equilateral Triangle

Length = n
Perimeter 64482126
Area 2.0004920156451E+14
Altitude 18614386.40201

Triangular Pyramid

Length = n
Surface area 2.0004920156451E+14
Volume 1.1702752796203E+21
Height 10132388.568872