21494090 (number)

21494090 is an even 8-digits composite number following 21494089 and preceding 21494091. In scientific notation, it is written as 2.1494090 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 8597632 positive integers (up to 21494090) that are relatively prime to 21494090.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494090 × 10^7
Engineering notation 2.1494090 × 10^6

Prime Factorization of 21494090

Prime Factorization 2 × 5 × 2149409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494090
Product of the distinct prime numbers

The prime factorization of 21494090 is 2 × 5 × 2149409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494090)

Multiplication

n×y
n×2 42988180
n×3 64482270
n×4 85976360
n×5 107470450

Division

n÷y
n÷2 10747045
n÷3 7164696.6666667
n÷3 5373522.5
n÷5 4298818

Exponentiation

ny
n2 461995904928100
n3 9.930181560156E+21
n4 2.1344021617033E+29
n5 4.5877032159846E+36

Nth Root

y√n
2√n 4636.1719122569
3√n 278.03940748744
4√n 68.089440534175
5√n 29.272769471498

Divisors of 21494090

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 -21494089
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 21494090 can be divided by 8 positive divisors. The sum of these divisors (counting 21494090) is 1, the average is 0.125.

Base conversion 21494090

Base System Value
2 Binary 1010001111111100101001010
3 Ternary 1111110000100102
4 Quaternary 1101333211022
5 Quinary 21000302330
6 Senary 2044405402
8 Octal 121774512
10 Decimal 21494090
12 Duodecimal 7246862
16 Hexadecimal 147f94a
20 Vigesimal 6e6f4a
36 Base36 csoy2

Cryptographic Hash Functions

md5 8aea96acbe5947f4c85eecb2d1d07cb0
sha1 bcb9a8df2220c5ffb18e95f81e4b74ff4c85a5d4
sha256 cf26722ee89cab5a35a46213ebdd5b69c422a50207c5e9e7235d273f683e1d65
sha512 33e18c18dd8aa50cc858f9da99bb11b3a3393afb2657887b8da02e15e8250a4e25e217f70b810978637ff5c454e68b3e5872f6673720e9c520293d52159a06bd
ripemd-160 1687c7c1e77ed2b17d91a67b80ee25e4e7ffad27

21494090 as geometric shapes

Circle

Radius = n
Diameter 42988180
Circumference 135051350.4792
Area 1.4514029409107E+15

Sphere

Radius = n
Volume 4.1595447250932E+22
Surface area 5.8056117636428E+15
Circumference 135051350.4792

Square

Length = n
Perimeter 85976360
Area 461995904928100
Diagonal 30397233.588868

Cube

Length = n
Surface area 2771975429568600
Volume 9.930181560156E+21
Space diagonal 37228855.942458

Equilateral Triangle

Length = n
Perimeter 64482270
Area 2.0005009505606E+14
Altitude 18614427.971229

Triangular Pyramid

Length = n
Surface area 2.0005009505606E+14
Volume 1.1702831199333E+21
Height 10132411.196289