18990930 (number)

18990930 is an even 8-digits composite number following 18990929 and preceding 18990931. In scientific notation, it is written as 1.8990930 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 48 positive divisors. There are 4340448 positive integers (up to 18990930) that are relatively prime to 18990930.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety thousand nine hundred thirty

Notation

Scientific notation 1.8990930 × 10^7
Engineering notation 1.8990930 × 10^6

Prime Factorization of 18990930

Prime Factorization 2 × 5 × 3 × 7 × 7 × 12919

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2712990
Product of the distinct prime numbers

The prime factorization of 18990930 is 2 × 5 × 3 × 7 × 7 × 12919. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 4, 62, 3, 85, 95, 8377, 1905, 18797, 5070, 736019, 17679, 567765, 332391, 10141422, 56357408, 486561856, 749782150, 7910183533, 346870792

Basic calculations (n = 18990930)

Multiplication

n×y
n×2 37981860
n×3 56972790
n×4 75963720
n×5 94954650

Division

n÷y
n÷2 9495465
n÷3 6330310
n÷3 4747732.5
n÷5 3798186

Exponentiation

ny
n2 360655422264900
n3 6.8491818783532E+21
n4 1.3007233360907E+29
n5 2.4701945825066E+36

Nth Root

y√n
2√n 4357.8584189944
3√n 266.79769775793
4√n 66.014077430457
5√n 28.556780711906

Divisors of 18990930

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 12919, 25838, 38757, 64595, 77514, 90433, 129190, 180866, 193785, 271299, 387570, 452165, 542598, 633031, 904330, 1266062, 1356495, 1899093, 2712990, 3165155, 3798186, 6330310, 9495465, 18990930

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18990929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18990930 can be divided by 48 positive divisors. The sum of these divisors (counting 18990930) is 1, the average is 0.020833333333333.

Base conversion 18990930

Base System Value
2 Binary 1001000011100011101010010
3 Ternary 1022201211122210
4 Quaternary 1020130131102
5 Quinary 14330202210
6 Senary 1515012550
8 Octal 110343522
10 Decimal 18990930
12 Duodecimal 643a156
16 Hexadecimal 121c752
20 Vigesimal 5idh6a
36 Base36 bb1hu

Cryptographic Hash Functions

md5 8257438c48cc9d8e65f7059ca9e2e00d
sha1 8dd3a4faa27e8cb17f7350f33ad59ef1a4c9a600
sha256 e2c6ac7c8bc8ffaf15ea923c9de35a4773603958ea2ffa68d3a35c5a3d704338
sha512 b330a6eafffeb3f46c097a8a602a729ecff47500523433c5559b44be8d711252ccde9ce5c27a4e7a522c220298517086903f8e5fdcf4c06d79726bba8347ccb1
ripemd-160 dabccfaf615f51cb3fb9e6cba6d71c6f5b5063de

18990930 as geometric shapes

Circle

Radius = n
Diameter 37981860
Circumference 119323532.34568
Area 1.1330324250647E+15

Sphere

Radius = n
Volume 2.8689785962846E+22
Surface area 4.5321297002589E+15
Circumference 119323532.34568

Square

Length = n
Perimeter 75963720
Area 360655422264900
Diagonal 26857230.768078

Cube

Length = n
Surface area 2163932533589400
Volume 6.8491818783532E+21
Space diagonal 32893255.642984

Equilateral Triangle

Length = n
Perimeter 56972790
Area 1.56168378847E+14
Altitude 16446627.821492

Triangular Pyramid

Length = n
Surface area 1.56168378847E+14
Volume 8.0718382529392E+20
Height 8952410.256026