20406491 (number)

20406491 is an odd 8-digits composite number following 20406490 and preceding 20406492. In scientific notation, it is written as 2.0406491 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 6 positive divisors. There are 17491236 positive integers (up to 20406491) that are relatively prime to 20406491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0406491 × 10^7
Engineering notation 2.0406491 × 10^6

Prime Factorization of 20406491

Prime Factorization 7 × 7 × 416459

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2915213
Product of the distinct prime numbers

The prime factorization of 20406491 is 7 × 7 × 416459. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20406491)

Multiplication

n×y
n×2 40812982
n×3 61219473
n×4 81625964
n×5 102032455

Division

n÷y
n÷2 10203245.5
n÷3 6802163.6666667
n÷3 5101622.75
n÷5 4081298.2

Exponentiation

ny
n2 416424874933081
n3 8.497770462498E+21
n4 1.7340967646303E+29
n5 3.5386830020558E+36

Nth Root

y√n
2√n 4517.3544248819
3√n 273.26841888293
4√n 67.211267097726
5√n 28.970344951159

Divisors of 20406491

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20406490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20406491 can be divided by 6 positive divisors. The sum of these divisors (counting 20406491) is 1, the average is 0.16666666666667.

Base conversion 20406491

Base System Value
2 Binary 1001101110110000011011011
3 Ternary 1102101202102222
4 Quaternary 1031312003123
5 Quinary 20211001431
6 Senary 2005214255
8 Octal 115660333
10 Decimal 20406491
12 Duodecimal 6a0138b
16 Hexadecimal 13760db
20 Vigesimal 67ag4b
36 Base36 c5dqz

Cryptographic Hash Functions

md5 3007e4632cce89b9633ddfe5c26b7a54
sha1 e662fec807e3695280ae67c30d87544ac6b5a116
sha256 46a10ed087d514ef9e02cd0447c56cbcc692cb8a85dc94739bf5099822810de8
sha512 52b95b9bf1699a2958c236708e45b3dba41c954b002dc4a5232ddf3a356330a637ca5b0c201f46d0ca84c27c6b01c6977f26c3a6e88a330b874bc5f317e23681
ripemd-160 d9eb34d5c14a9cb3d208073f590593601b1e63ae

20406491 as geometric shapes

Circle

Radius = n
Diameter 40812982
Circumference 128217764.42229
Area 1.3082373278618E+15

Sphere

Radius = n
Volume 3.5595377675835E+22
Surface area 5.2329493114473E+15
Circumference 128217764.42229

Square

Length = n
Perimeter 81625964
Area 416424874933081
Diagonal 28859136.332645

Cube

Length = n
Surface area 2498549249598486
Volume 8.497770462498E+21
Space diagonal 35345079.216197

Equilateral Triangle

Length = n
Perimeter 61219473
Area 1.803172602299E+14
Altitude 17672539.608099

Triangular Pyramid

Length = n
Surface area 1.803172602299E+14
Volume 1.0014718531665E+21
Height 9619712.1108815