20805090 (number)

20805090 is an even 8-digits composite number following 20805089 and preceding 20805091. In scientific notation, it is written as 2.0805090 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 5548016 positive integers (up to 20805090) that are relatively prime to 20805090.

Interesting facts

Basic properties

Name

Name twenty million eight hundred five thousand ninety

Notation

Scientific notation 2.0805090 × 10^7
Engineering notation 2.0805090 × 10^6

Prime Factorization of 20805090

Prime Factorization 2 × 3 × 5 × 693503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20805090
Product of the distinct prime numbers

The prime factorization of 20805090 is 2 × 3 × 5 × 693503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20805090)

Multiplication

n×y
n×2 41610180
n×3 62415270
n×4 83220360
n×5 104025450

Division

n÷y
n÷2 10402545
n÷3 6935030
n÷3 5201272.5
n÷5 4161018

Exponentiation

ny
n2 432851769908100
n3 9.0055200295973E+21
n4 1.8736065471257E+29
n5 3.898055283754E+36

Nth Root

y√n
2√n 4561.2596944265
3√n 275.03620459973
4√n 67.537098652715
5√n 29.082646184886

Divisors of 20805090

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 -20805089
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 20805090 can be divided by 16 positive divisors. The sum of these divisors (counting 20805090) is 1, the average is 0.0625.

Base conversion 20805090

Base System Value
2 Binary 1001111010111010111100010
3 Ternary 1110011000012220
4 Quaternary 1033113113202
5 Quinary 20311230330
6 Senary 2021531510
8 Octal 117272742
10 Decimal 20805090
12 Duodecimal 6b73b96
16 Hexadecimal 13d75e2
20 Vigesimal 6a0cea
36 Base36 cdxb6

Cryptographic Hash Functions

md5 f6dffcb93f25ba3f7165da015f8ae019
sha1 fd965b6c3c3fc0e02a845c7ca6e6a68cb99b5121
sha256 81a8e4fc359743670787599299131c74143cf84ed9541465e5132c8fb16d7956
sha512 4dacc2a10494e38d2e5bcaee7c07f93b48c5b5b22369e8754858e0e3415e81a8e40398dcfe2251cf5629865ab97777626a41733cc37807f50d632e6109a7eca8
ripemd-160 aa9787f02c9246aae32dafba8c37a6383b0c5b96

20805090 as geometric shapes

Circle

Radius = n
Diameter 41610180
Circumference 130722235.80255
Area 1.3598439404366E+15

Sphere

Radius = n
Volume 3.7722234088985E+22
Surface area 5.4393757617465E+15
Circumference 130722235.80255

Square

Length = n
Perimeter 83220360
Area 432851769908100
Diagonal 29422840.444393

Cube

Length = n
Surface area 2597110619448600
Volume 9.0055200295973E+21
Space diagonal 36035472.936043

Equilateral Triangle

Length = n
Perimeter 62415270
Area 1.8743031440674E+14
Altitude 18017736.468022

Triangular Pyramid

Length = n
Surface area 1.8743031440674E+14
Volume 1.0613107135066E+21
Height 9807613.4814643