18018020 (number)

18018020 is an even 8-digits composite number following 18018019 and preceding 18018021. In scientific notation, it is written as 1.8018020 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors. There are 7161696 positive integers (up to 18018020) that are relatively prime to 18018020.

Interesting facts

Basic properties

Name

Name eighteen million eighteen thousand twenty

Notation

Scientific notation 1.8018020 × 10^7
Engineering notation 1.8018020 × 10^6

Prime Factorization of 18018020

Prime Factorization 2 × 2 × 5 × 163 × 5527

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9009010
Product of the distinct prime numbers

The prime factorization of 18018020 is 2 × 2 × 5 × 163 × 5527. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18018020)

Multiplication

n×y
n×2 36036040
n×3 54054060
n×4 72072080
n×5 90090100

Division

n÷y
n÷2 9009010
n÷3 6006006.6666667
n÷3 4504505
n÷5 3603604

Exponentiation

ny
n2 324649044720400
n3 5.8495329807531E+21
n4 1.0539700223787E+29
n5 1.899045294262E+36

Nth Root

y√n
2√n 4244.7638332421
3√n 262.16156536399
4√n 65.15185210907
5√n 28.257999488394

Divisors of 18018020

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18018019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18018020 can be divided by 24 positive divisors. The sum of these divisors (counting 18018020) is 1, the average is 0.041666666666667.

Base conversion 18018020

Base System Value
2 Binary 1000100101110111011100100
3 Ternary 1020220102002002
4 Quaternary 1010232323210
5 Quinary 14103034040
6 Senary 1442104432
8 Octal 104567344
10 Decimal 18018020
12 Duodecimal 604b118
16 Hexadecimal 112eee4
20 Vigesimal 5cc510
36 Base36 aq6sk

Cryptographic Hash Functions

md5 e091ebb3ab437860907078803d7200fe
sha1 762464c00e05012b3db7070034844cac60faf95f
sha256 98e3bf3875234952566404251ffb370a4a24142f4c6a6d01374584cdd8446f83
sha512 a6d16b0f13798265444e0371fa68c6710c747b8136088d3a203634dfc40430aac97f8c1590b486035638bb40edba209735c48bfde30d622c050a7864c1b54cde
ripemd-160 c84c52f6d937060e67ec9fa3fda14762f6112a3d

18018020 as geometric shapes

Circle

Radius = n
Diameter 36036040
Circumference 113210558.52847
Area 1.0199150538886E+15

Sphere

Radius = n
Volume 2.4502466452353E+22
Surface area 4.0796602155542E+15
Circumference 113210558.52847

Square

Length = n
Perimeter 72072080
Area 324649044720400
Diagonal 25481328.25111

Cube

Length = n
Surface area 1947894268322400
Volume 5.8495329807531E+21
Space diagonal 31208126.091792

Equilateral Triangle

Length = n
Perimeter 54054060
Area 1.4057716002111E+14
Altitude 15604063.045896

Triangular Pyramid

Length = n
Surface area 1.4057716002111E+14
Volume 6.8937407291081E+20
Height 8493776.0837032