21494946 (number)

21494946 is an even 8-digits composite number following 21494945 and preceding 21494947. In scientific notation, it is written as 2.1494946 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6513600 positive integers (up to 21494946) that are relatively prime to 21494946.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand nine hundred forty-six

Notation

Scientific notation 2.1494946 × 10^7
Engineering notation 2.1494946 × 10^6

Prime Factorization of 21494946

Prime Factorization 2 × 3 × 11 × 325681

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494946
Product of the distinct prime numbers

The prime factorization of 21494946 is 2 × 3 × 11 × 325681. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494946)

Multiplication

n×y
n×2 42989892
n×3 64484838
n×4 85979784
n×5 107474730

Division

n÷y
n÷2 10747473
n÷3 7164982
n÷3 5373736.5
n÷5 4298989.2

Exponentiation

ny
n2 462032703542916
n3 9.931368012889E+21
n4 2.1347421914318E+29
n5 4.5886168128747E+36

Nth Root

y√n
2√n 4636.2642288808
3√n 278.04309840238
4√n 68.090118437853
5√n 29.273002624811

Divisors of 21494946

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494946 can be divided by 16 positive divisors. The sum of these divisors (counting 21494946) is 1, the average is 0.0625.

Base conversion 21494946

Base System Value
2 Binary 1010001111111110010100010
3 Ternary 1111110001112010
4 Quaternary 1101333302202
5 Quinary 21000314241
6 Senary 2044413350
8 Octal 121776242
10 Decimal 21494946
12 Duodecimal 7247256
16 Hexadecimal 147fca2
20 Vigesimal 6e6h76
36 Base36 csplu

Cryptographic Hash Functions

md5 8a1df6a340febf46949676fff0df4759
sha1 778384021bd9ac498e08886d78a922ae9d1d82bb
sha256 b83d218bdd72b938ecc031479e317fc74cdbef79de36a06f7e4a5ca3f88d1e60
sha512 5d75e9a0065333747c65d6a656d7e5af01b464ac8ae8c429d77bff3840a25b237b566768b14fc9f7dc1432d3006e1b65b207bc9ea6bdea2f924b84802e46474d
ripemd-160 804197692ceecf5bd9539ab3103a5af8ca34f2c2

21494946 as geometric shapes

Circle

Radius = n
Diameter 42989892
Circumference 135056728.88582
Area 1.4515185471687E+15

Sphere

Radius = n
Volume 4.1600417052518E+22
Surface area 5.8060741886746E+15
Circumference 135056728.88582

Square

Length = n
Perimeter 85979784
Area 462032703542916
Diagonal 30398444.155677

Cube

Length = n
Surface area 2772196221257496
Volume 9.931368012889E+21
Space diagonal 37230338.577949

Equilateral Triangle

Length = n
Perimeter 64484838
Area 2.0006602932368E+14
Altitude 18615169.288975

Triangular Pyramid

Length = n
Surface area 2.0006602932368E+14
Volume 1.1704229447288E+21
Height 10132814.718559