20208979 (number)

20208979 is an odd 8-digits composite number following 20208978 and preceding 20208980. In scientific notation, it is written as 2.0208979 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 17321976 positive integers (up to 20208979) that are relatively prime to 20208979.

Interesting facts

Basic properties

Name

Name twenty million two hundred eight thousand nine hundred seventy-nine

Notation

Scientific notation 2.0208979 × 10^7
Engineering notation 2.0208979 × 10^6

Prime Factorization of 20208979

Prime Factorization 7 × 2886997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20208979
Product of the distinct prime numbers

The prime factorization of 20208979 is 7 × 2886997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20208979)

Multiplication

n×y
n×2 40417958
n×3 60626937
n×4 80835916
n×5 101044895

Division

n÷y
n÷2 10104489.5
n÷3 6736326.3333333
n÷3 5052244.75
n÷5 4041795.8

Exponentiation

ny
n2 408402832222441
n3 8.2534042599238E+21
n4 1.6679287336731E+29
n5 3.3707136752297E+36

Nth Root

y√n
2√n 4495.439800509
3√n 272.38391486747
4√n 67.048040989346
5√n 28.914046459791

Divisors of 20208979

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 -20208978
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 20208979 can be divided by 4 positive divisors. The sum of these divisors (counting 20208979) is 1, the average is 0.25.

Base conversion 20208979

Base System Value
2 Binary 1001101000101110101010011
3 Ternary 1102000201111201
4 Quaternary 1031011311103
5 Quinary 20133141404
6 Senary 2001052031
8 Octal 115056523
10 Decimal 20208979
12 Duodecimal 6927017
16 Hexadecimal 1345d53
20 Vigesimal 66628j
36 Base36 c15cj

Cryptographic Hash Functions

md5 60565986ec6733e7b1383e5db474b7c9
sha1 5781ea10069e1cccce82007265eb9e5c975c4997
sha256 27d515dfa9c9f465acca791c3b6664e02adc1e0ac4d5a968fc06b679368732e8
sha512 8a8011b3820c3d3da7ed966c96411ee501443368c8c8423fd13a0385dd257d6cef66f3828a5574d993c41570666262942fed15f18eeab4abd6b557332d3b39e9
ripemd-160 0927757c8b95fcb79e6502c30fe3d055974b8a07

20208979 as geometric shapes

Circle

Radius = n
Diameter 40417958
Circumference 126976759.9259
Area 1.2830353374153E+15

Sphere

Radius = n
Volume 3.4571778920111E+22
Surface area 5.1321413496611E+15
Circumference 126976759.9259

Square

Length = n
Perimeter 80835916
Area 408402832222441
Diagonal 28579812.183513

Cube

Length = n
Surface area 2450416993334646
Volume 8.2534042599238E+21
Space diagonal 35002978.397092

Equilateral Triangle

Length = n
Perimeter 60626937
Area 1.7684361384107E+14
Altitude 17501489.198546

Triangular Pyramid

Length = n
Surface area 1.7684361384107E+14
Volume 9.7267302001101E+20
Height 9526604.061171