20155918 (number)

20155918 is an even 8-digits composite number following 20155917 and preceding 20155919. In scientific notation, it is written as 2.0155918 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10077958 positive integers (up to 20155918) that are relatively prime to 20155918.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand nine hundred eighteen

Notation

Scientific notation 2.0155918 × 10^7
Engineering notation 2.0155918 × 10^6

Prime Factorization of 20155918

Prime Factorization 2 × 10077959

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20155918
Product of the distinct prime numbers

The prime factorization of 20155918 is 2 × 10077959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 8, 100, 375, 817, 6110, 5113, 14138, 64021, 604652, 264258, 528987, 1043307, 56777751, 49877778, 663343202, 988063441, 8301982574, 9890272552

Basic calculations (n = 20155918)

Multiplication

n×y
n×2 40311836
n×3 60467754
n×4 80623672
n×5 100779590

Division

n÷y
n÷2 10077959
n÷3 6718639.3333333
n÷3 5038979.5
n÷5 4031183.6

Exponentiation

ny
n2 406261030422724
n3 8.1885640157959E+21
n4 1.6504802484013E+29
n5 3.3266944547397E+36

Nth Root

y√n
2√n 4489.5342742873
3√n 272.1453141495
4√n 67.003987002918
5√n 28.898847057007

Divisors of 20155918

1, 2, 10077959, 20155918

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 -20155917
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 20155918 can be divided by 4 positive divisors. The sum of these divisors (counting 20155918) is 1, the average is 0.25.

Base conversion 20155918

Base System Value
2 Binary 1001100111000111000001110
3 Ternary 1101221000201111
4 Quaternary 1030320320032
5 Quinary 20124442133
6 Senary 2000002234
8 Octal 114707016
10 Decimal 20155918
12 Duodecimal 690037a
16 Hexadecimal 1338e0e
20 Vigesimal 65j9fi
36 Base36 c00em

Cryptographic Hash Functions

md5 ec1eb0e42856751cfefca8036504137f
sha1 27e6ac37cc2f642ce0b33d099aa70f195217859e
sha256 acd2e7e59005cd8ca541b0ee079021b47096b85eb9dc5a09823a60cb79e9e73e
sha512 fcacdb351ec1438710373b3035f404d13e7b8839d847740d1a0c0c7d7ed0c3b7a9be66b80aa1bf53d1cae4be8f4e6dad6e3233ae75ad7079558f23cf97ab5f08
ripemd-160 67185f04a14e417dc1d02d04addc3f8f903a5feb

20155918 as geometric shapes

Circle

Radius = n
Diameter 40311836
Circumference 126643367.83032
Area 1.2763066686158E+15

Sphere

Radius = n
Volume 3.4300176740632E+22
Surface area 5.1052266744634E+15
Circumference 126643367.83032

Square

Length = n
Perimeter 80623672
Area 406261030422724
Diagonal 28504772.59768

Cube

Length = n
Surface area 2437566182536344
Volume 8.1885640157959E+21
Space diagonal 34911074.049192

Equilateral Triangle

Length = n
Perimeter 60467754
Area 1.7591618645686E+14
Altitude 17455537.024596

Triangular Pyramid

Length = n
Surface area 1.7591618645686E+14
Volume 9.6503152395824E+20
Height 9501590.8658933