20806449 (number)

20806449 is an odd 8-digits composite number following 20806448 and preceding 20806450. In scientific notation, it is written as 2.0806449 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13870964 positive integers (up to 20806449) that are relatively prime to 20806449.

Interesting facts

Basic properties

Name

Name twenty million eight hundred six thousand four hundred forty-nine

Notation

Scientific notation 2.0806449 × 10^7
Engineering notation 2.0806449 × 10^6

Prime Factorization of 20806449

Prime Factorization 3 × 6935483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20806449
Product of the distinct prime numbers

The prime factorization of 20806449 is 3 × 6935483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20806449)

Multiplication

n×y
n×2 41612898
n×3 62419347
n×4 83225796
n×5 104032245

Division

n÷y
n÷2 10403224.5
n÷3 6935483
n÷3 5201612.25
n÷5 4161289.8

Exponentiation

ny
n2 432908319989601
n3 9.0072848815393E+21
n4 1.8740961351622E+29
n5 3.8993285657349E+36

Nth Root

y√n
2√n 4561.4086639984
3√n 275.04219297508
4√n 67.538201515871
5√n 29.08302611387

Divisors of 20806449

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 -20806448
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 20806449 can be divided by 4 positive divisors. The sum of these divisors (counting 20806449) is 1, the average is 0.25.

Base conversion 20806449

Base System Value
2 Binary 1001111010111101100110001
3 Ternary 1110011002002020
4 Quaternary 1033113230301
5 Quinary 20311301244
6 Senary 2021542053
8 Octal 117275461
10 Decimal 20806449
12 Duodecimal 6b74929
16 Hexadecimal 13d7b31
20 Vigesimal 6a0g29
36 Base36 cdycx

Cryptographic Hash Functions

md5 83a0f34fe2a04e5828f5a8f2713de9cf
sha1 bd9bc54c09b83603cdffc3f67c896256e8fa81a8
sha256 544f4863829212bfcbb67e3748b337b612699da84d81118c2a71a5435e86bdab
sha512 13971d1c958c3511509fab9b954632e85fa1ab2942e9c1f95c87b9c02db086bea0700ed049dd8ec59389918e3e7b139564d1d59eccb32841520888730183c9a3
ripemd-160 899d87db7aff1c737d71a19c8460234b339dfed0

20806449 as geometric shapes

Circle

Radius = n
Diameter 41612898
Circumference 130730774.65138
Area 1.3600215977572E+15

Sphere

Radius = n
Volume 3.7729626683512E+22
Surface area 5.4400863910289E+15
Circumference 130730774.65138

Square

Length = n
Perimeter 83225796
Area 432908319989601
Diagonal 29424762.360624

Cube

Length = n
Surface area 2597449919937606
Volume 9.0072848815393E+21
Space diagonal 36037826.793091

Equilateral Triangle

Length = n
Perimeter 62419347
Area 1.8745480131032E+14
Altitude 18018913.396545

Triangular Pyramid

Length = n
Surface area 1.8745480131032E+14
Volume 1.0615187033026E+21
Height 9808254.120208