20218979 (number)

20218979 is an odd 8-digits composite number following 20218978 and preceding 20218980. In scientific notation, it is written as 2.0218979 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 18380780 positive integers (up to 20218979) that are relatively prime to 20218979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0218979 × 10^7
Engineering notation 2.0218979 × 10^6

Prime Factorization of 20218979

Prime Factorization 11 × 11 × 167099

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1838089
Product of the distinct prime numbers

The prime factorization of 20218979 is 11 × 11 × 167099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20218979)

Multiplication

n×y
n×2 40437958
n×3 60656937
n×4 80875916
n×5 101094895

Division

n÷y
n÷2 10109489.5
n÷3 6739659.6666667
n÷3 5054744.75
n÷5 4043795.8

Exponentiation

ny
n2 408807111802441
n3 8.2656624085842E+21
n4 1.6712325466025E+29
n5 3.3790615763873E+36

Nth Root

y√n
2√n 4496.5519011794
3√n 272.42883532903
4√n 67.056333788684
5√n 28.9169073985

Divisors of 20218979

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 -20218978
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 20218979 can be divided by 6 positive divisors. The sum of these divisors (counting 20218979) is 1, the average is 0.16666666666667.

Base conversion 20218979

Base System Value
2 Binary 1001101001000010001100011
3 Ternary 1102001020020002
4 Quaternary 1031020101203
5 Quinary 20134001404
6 Senary 2001210215
8 Octal 115102143
10 Decimal 20218979
12 Duodecimal 693096b
16 Hexadecimal 1348463
20 Vigesimal 66778j
36 Base36 c1d2b

Cryptographic Hash Functions

md5 fedc19592970a3ddd7e8b52ba284eb3a
sha1 1d5f252bc4243dedde4883a8f0dc124543df985f
sha256 d3ccaf9daaa53c1c3396cf9b46d4fca40a1a5eaf8ba7b2e10d09baac05a8b6ff
sha512 95fa5467fbbbe747c8e0bf26d10e1d883b004e66a31d92dc0c8ceac651c9ccbdfafff41c355719cf0a726487587b236a8767c8c0d199b5cdbfc79f51590ac145
ripemd-160 df4ea4cc05be87a4442b18490a1b34560b452fad

20218979 as geometric shapes

Circle

Radius = n
Diameter 40437958
Circumference 127039591.77897
Area 1.2843054191738E+15

Sphere

Radius = n
Volume 3.4623125733149E+22
Surface area 5.1372216766952E+15
Circumference 127039591.77897

Square

Length = n
Perimeter 80875916
Area 408807111802441
Diagonal 28593954.319137

Cube

Length = n
Surface area 2452842670814646
Volume 8.2656624085842E+21
Space diagonal 35020298.905168

Equilateral Triangle

Length = n
Perimeter 60656937
Area 1.7701867203433E+14
Altitude 17510149.452584

Triangular Pyramid

Length = n
Surface area 1.7701867203433E+14
Volume 9.7411765668477E+20
Height 9531318.1063789