21494869 (number)

21494869 is an odd 8-digits composite number following 21494868 and preceding 21494870. In scientific notation, it is written as 2.1494869 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 19509840 positive integers (up to 21494869) that are relatively prime to 21494869.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494869 × 10^7
Engineering notation 2.1494869 × 10^6

Prime Factorization of 21494869

Prime Factorization 11 × 2213 × 883

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494869
Product of the distinct prime numbers

The prime factorization of 21494869 is 11 × 2213 × 883. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494869)

Multiplication

n×y
n×2 42989738
n×3 64484607
n×4 85979476
n×5 107474345

Division

n÷y
n÷2 10747434.5
n÷3 7164956.3333333
n÷3 5373717.25
n÷5 4298973.8

Exponentiation

ny
n2 462029393327161
n3 9.9312612837168E+21
n4 2.1347116029826E+29
n5 4.5885346258892E+36

Nth Root

y√n
2√n 4636.2559247738
3√n 278.04276639652
4√n 68.090057459028
5√n 29.272981652212

Divisors of 21494869

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 -21494868
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 21494869 can be divided by 8 positive divisors. The sum of these divisors (counting 21494869) is 1, the average is 0.125.

Base conversion 21494869

Base System Value
2 Binary 1010001111111110001010101
3 Ternary 1111110001102021
4 Quaternary 1101333301111
5 Quinary 21000313434
6 Senary 2044413141
8 Octal 121776125
10 Decimal 21494869
12 Duodecimal 72471b1
16 Hexadecimal 147fc55
20 Vigesimal 6e6h39
36 Base36 cspjp

Cryptographic Hash Functions

md5 f7a42afa3cda231f5893a4e3e0b74040
sha1 38f5ff691bcef983869d258d3ce9421513eece18
sha256 6f8979757c2d00b008467adda569b0a0f227284e060a77b71cc37eb17c902cb3
sha512 beef5d3098293945c8f404a388f293c6f0f1d6758c0f516106b8a2a770a32dbd6d371277bd39be366fe5b8446bb163494d4fd829813fecd23d32100e191d6f76
ripemd-160 8dc27fd7546462ae73fba493d3e6298b8b7b7133

21494869 as geometric shapes

Circle

Radius = n
Diameter 42989738
Circumference 135056245.08055
Area 1.4515081478192E+15

Sphere

Radius = n
Volume 4.1599969986407E+22
Surface area 5.8060325912766E+15
Circumference 135056245.08055

Square

Length = n
Perimeter 85979476
Area 462029393327161
Diagonal 30398335.261233

Cube

Length = n
Surface area 2772176359962966
Volume 9.9312612837168E+21
Space diagonal 37230205.210037

Equilateral Triangle

Length = n
Perimeter 64484607
Area 2.0006459595822E+14
Altitude 18615102.605019

Triangular Pyramid

Length = n
Surface area 2.0006459595822E+14
Volume 1.1704103665753E+21
Height 10132778.420411