20180990 (number)

20180990 is an even 8-digits composite number following 20180989 and preceding 20180991. In scientific notation, it is written as 2.0180990 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 8060256 positive integers (up to 20180990) that are relatively prime to 20180990.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand nine hundred ninety

Notation

Scientific notation 2.0180990 × 10^7
Engineering notation 2.0180990 × 10^6

Prime Factorization of 20180990

Prime Factorization 2 × 5 × 2053 × 983

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20180990
Product of the distinct prime numbers

The prime factorization of 20180990 is 2 × 5 × 2053 × 983. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 96, 41, 738, 446, 1900, 5946, 47630, 17966, 807690, 545142, 3276239, 7727413, 34103516, 1375057, 912876997, 270923924, 9327292194, 6687226962

Basic calculations (n = 20180990)

Multiplication

n×y
n×2 40361980
n×3 60542970
n×4 80723960
n×5 100904950

Division

n÷y
n÷2 10090495
n÷3 6726996.6666667
n÷3 5045247.5
n÷5 4036198

Exponentiation

ny
n2 407272357380100
n3 8.2191593715642E+21
n4 1.6587077308594E+29
n5 3.3474364129397E+36

Nth Root

y√n
2√n 4492.3256783096
3√n 272.25810815416
4√n 67.024813899851
5√n 28.906032953014

Divisors of 20180990

1, 2, 5, 10, 983, 1966, 2053, 4106, 4915, 9830, 10265, 20530, 2018099, 4036198, 10090495, 20180990

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 -20180989
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 20180990 can be divided by 16 positive divisors. The sum of these divisors (counting 20180990) is 1, the average is 0.0625.

Base conversion 20180990

Base System Value
2 Binary 1001100111110111111111110
3 Ternary 1101222022010002
4 Quaternary 1030332333332
5 Quinary 20131242430
6 Senary 2000314302
8 Octal 114767776
10 Decimal 20180990
12 Duodecimal 6912992
16 Hexadecimal 133effe
20 Vigesimal 662c9a
36 Base36 c0jr2

Cryptographic Hash Functions

md5 63f71fd95f0a930bac2ead52e9bac0ff
sha1 e2d8c9c734eb2a22e0c9bfe95b233af149e82cf1
sha256 bd22571f2d13fad7d933f2cfaa506cd404b552a93712073da98319231a8a5b3b
sha512 b87105e32b6b88abffd8f58add73c591980992332f3243eb29d2d8b05c51fd8dbc06ae97ccb02df326dce536ed641ce7140d74a45ce2de155dd29669dcd6fc13
ripemd-160 5fb394a88d65ea73704084107469ec0392932a46

20180990 as geometric shapes

Circle

Radius = n
Diameter 40361980
Circumference 126800899.85234
Area 1.2794838459555E+15

Sphere

Radius = n
Volume 3.4428334267186E+22
Surface area 5.1179353838221E+15
Circumference 126800899.85234

Square

Length = n
Perimeter 80723960
Area 407272357380100
Diagonal 28540229.760116

Cube

Length = n
Surface area 2443634144280600
Volume 8.2191593715642E+21
Space diagonal 34954500.027039

Equilateral Triangle

Length = n
Perimeter 60542970
Area 1.7635410387517E+14
Altitude 17477250.01352

Triangular Pyramid

Length = n
Surface area 1.7635410387517E+14
Volume 9.6863722121434E+20
Height 9513409.9200386