21494866 (number)

21494866 is an even 8-digits composite number following 21494865 and preceding 21494867. In scientific notation, it is written as 2.1494866 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10747432 positive integers (up to 21494866) that are relatively prime to 21494866.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred sixty-six

Notation

Scientific notation 2.1494866 × 10^7
Engineering notation 2.1494866 × 10^6

Prime Factorization of 21494866

Prime Factorization 2 × 10747433

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494866
Product of the distinct prime numbers

The prime factorization of 21494866 is 2 × 10747433. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494866)

Multiplication

n×y
n×2 42989732
n×3 64484598
n×4 85979464
n×5 107474330

Division

n÷y
n÷2 10747433
n÷3 7164955.3333333
n÷3 5373716.5
n÷5 4298973.2

Exponentiation

ny
n2 462029264357956
n3 9.9312571254528E+21
n4 2.1347104112315E+29
n5 4.5885314238227E+36

Nth Root

y√n
2√n 4636.2556012368
3√n 278.04275346121
4√n 68.090055083227
5√n 29.272980835096

Divisors of 21494866

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 -21494865
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 21494866 can be divided by 4 positive divisors. The sum of these divisors (counting 21494866) is 1, the average is 0.25.

Base conversion 21494866

Base System Value
2 Binary 1010001111111110001010010
3 Ternary 1111110001102011
4 Quaternary 1101333301102
5 Quinary 21000313431
6 Senary 2044413134
8 Octal 121776122
10 Decimal 21494866
12 Duodecimal 72471aa
16 Hexadecimal 147fc52
20 Vigesimal 6e6h36
36 Base36 cspjm

Cryptographic Hash Functions

md5 0ffc9e8ed7cd6df62bab015c9f8a6b00
sha1 feb968eb6abc867310f73c7a26ab8dbfafd3c7c6
sha256 5428dc8010e8773e54c012d04c2ab70ee8bb7bb9af2dd3a3558649133620af4e
sha512 eea19376301cd841d76290f398f4b91dfc6b0af651fbc3366fcb32e336870f01d92f983267d54c53a72518e7c7b0933fb59d20e0f3cfeb5a670a26389ca04947
ripemd-160 bd9d5fe6fb607ad0235957e44734183aaea603a7

21494866 as geometric shapes

Circle

Radius = n
Diameter 42989732
Circumference 135056226.23099
Area 1.4515077426505E+15

Sphere

Radius = n
Volume 4.1599952568312E+22
Surface area 5.8060309706018E+15
Circumference 135056226.23099

Square

Length = n
Perimeter 85979464
Area 462029264357956
Diagonal 30398331.018592

Cube

Length = n
Surface area 2772175586147736
Volume 9.9312571254528E+21
Space diagonal 37230200.013885

Equilateral Triangle

Length = n
Perimeter 64484598
Area 2.0006454011291E+14
Altitude 18615100.006942

Triangular Pyramid

Length = n
Surface area 2.0006454011291E+14
Volume 1.1704098765192E+21
Height 10132777.006197