18894018 (number)

18894018 is an even 8-digits composite number following 18894017 and preceding 18894019. In scientific notation, it is written as 1.8894018 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 64 positive divisors. There are 4924800 positive integers (up to 18894018) that are relatively prime to 18894018.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred ninety-four thousand eighteen

Notation

Scientific notation 1.8894018 × 10^7
Engineering notation 1.8894018 × 10^6

Prime Factorization of 18894018

Prime Factorization 2 × 3 × 361 × 13 × 11 × 61

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 18894018
Product of the distinct prime numbers

The prime factorization of 18894018 is 2 × 3 × 361 × 13 × 11 × 61. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18894018)

Multiplication

n×y
n×2 37788036
n×3 56682054
n×4 75576072
n×5 94470090

Division

n÷y
n÷2 9447009
n÷3 6298006
n÷3 4723504.5
n÷5 3778803.6

Exponentiation

ny
n2 356983916184324
n3 6.7448605380971E+21
n4 1.274375164143E+29
n5 2.407806729007E+36

Nth Root

y√n
2√n 4346.7249740466
3√n 266.34309469099
4√n 65.929697208819
5√n 28.527575600033

Divisors of 18894018

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18894017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18894018 can be divided by 64 positive divisors. The sum of these divisors (counting 18894018) is 1, the average is 0.015625.

Base conversion 18894018

Base System Value
2 Binary 1001000000100110011000010
3 Ternary 1022112220201110
4 Quaternary 1020010303002
5 Quinary 14314102033
6 Senary 1512544150
8 Octal 110046302
10 Decimal 18894018
12 Duodecimal 63b2056
16 Hexadecimal 1204cc2
20 Vigesimal 5i1f0i
36 Base36 b8ypu

Cryptographic Hash Functions

md5 a1700196f2df1ed5ef9bb2e71d07563c
sha1 20db2ec2e614cf98caf3c5c5cc7d5fcc0c113bc3
sha256 f02ce6c075d5420bdba3f2e4a9c28184be6e995cadd9c9f01e297d172a173fbc
sha512 b970e490a526b63b1d210249c7c1123ad6c46641860e54b8078769f7594e9536c075b91754b45e6da4ba942e52e474f94ad2611476b82f4ff5677488e549edc9
ripemd-160 473499c22069b2e1741a878767dd6056b42b7b0a

18894018 as geometric shapes

Circle

Radius = n
Diameter 37788036
Circumference 118714616.29119
Area 1.1214980485344E+15

Sphere

Radius = n
Volume 2.8252805754631E+22
Surface area 4.4859921941375E+15
Circumference 118714616.29119

Square

Length = n
Perimeter 75576072
Area 356983916184324
Diagonal 26720176.503321

Cube

Length = n
Surface area 2141903497105944
Volume 6.7448605380971E+21
Space diagonal 32725399.135121

Equilateral Triangle

Length = n
Perimeter 56682054
Area 1.5457857007904E+14
Altitude 16362699.56756

Triangular Pyramid

Length = n
Surface area 1.5457857007904E+14
Volume 7.94889437441E+20
Height 8906725.5011071