18994090 (number)

18994090 is an even 8-digits composite number following 18994089 and preceding 18994091. In scientific notation, it is written as 1.8994090 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors. There are 7216704 positive integers (up to 18994090) that are relatively prime to 18994090.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-four thousand ninety

Notation

Scientific notation 1.8994090 × 10^7
Engineering notation 1.8994090 × 10^6

Prime Factorization of 18994090

Prime Factorization 2 × 5 × 23 × 269 × 307

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18994090
Product of the distinct prime numbers

The prime factorization of 18994090 is 2 × 5 × 23 × 269 × 307. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18994090)

Multiplication

n×y
n×2 37988180
n×3 56982270
n×4 75976360
n×5 94970450

Division

n÷y
n÷2 9497045
n÷3 6331363.3333333
n÷3 4748522.5
n÷5 3798818

Exponentiation

ny
n2 360775454928100
n3 6.8526014606953E+21
n4 1.3015892887858E+29
n5 2.4722504094233E+36

Nth Root

y√n
2√n 4358.2209673214
3√n 266.81249489122
4√n 66.016823365877
5√n 28.557730991028

Divisors of 18994090

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18994089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18994090 can be divided by 32 positive divisors. The sum of these divisors (counting 18994090) is 1, the average is 0.03125.

Base conversion 18994090

Base System Value
2 Binary 1001000011101001110101010
3 Ternary 1022201222222211
4 Quaternary 1020131032222
5 Quinary 14330302330
6 Senary 1515035334
8 Octal 110351652
10 Decimal 18994090
12 Duodecimal 643bb4a
16 Hexadecimal 121d3aa
20 Vigesimal 5ie54a
36 Base36 bb3xm

Cryptographic Hash Functions

md5 184385b614ddaa4353aa9534fa8b0707
sha1 b6aac70a99b365907de203818dcec11959eaa988
sha256 89f9484a894c1eb6387b879715b887c4ac09de08f990d534ddedbd1e1752849d
sha512 47fb36214e3dd67a8307ba754a62e5e53f0605becd2f47e2184f7ea17c1c484d66390abb1ed5aec84a2c79d3d54f22d896be2d5c10c1b2d0ae71f8a0aef93238
ripemd-160 9accc864841726066954990cfc2a15dacd6e7f90

18994090 as geometric shapes

Circle

Radius = n
Diameter 37988180
Circumference 119343387.21125
Area 1.1334095187976E+15

Sphere

Radius = n
Volume 2.8704109875865E+22
Surface area 4.5336380751905E+15
Circumference 119343387.21125

Square

Length = n
Perimeter 75976360
Area 360775454928100
Diagonal 26861699.682935

Cube

Length = n
Surface area 2164652729568600
Volume 6.8526014606953E+21
Space diagonal 32898728.923536

Equilateral Triangle

Length = n
Perimeter 56982270
Area 1.5622035451481E+14
Altitude 16449364.461768

Triangular Pyramid

Length = n
Surface area 1.5622035451481E+14
Volume 8.0758682693775E+20
Height 8953899.8943117