18994018 (number)

18994018 is an even 8-digits composite number following 18994017 and preceding 18994019. In scientific notation, it is written as 1.8994018 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9464304 positive integers (up to 18994018) that are relatively prime to 18994018.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-four thousand eighteen

Notation

Scientific notation 1.8994018 × 10^7
Engineering notation 1.8994018 × 10^6

Prime Factorization of 18994018

Prime Factorization 2 × 293 × 32413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18994018
Product of the distinct prime numbers

The prime factorization of 18994018 is 2 × 293 × 32413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18994018)

Multiplication

n×y
n×2 37988036
n×3 56982054
n×4 75976072
n×5 94970090

Division

n÷y
n÷2 9497009
n÷3 6331339.3333333
n÷3 4748504.5
n÷5 3798803.6

Exponentiation

ny
n2 360772719784324
n3 6.8525235334924E+21
n4 1.3015695534058E+29
n5 2.4722035525641E+36

Nth Root

y√n
2√n 4358.2127070624
3√n 266.81215775962
4√n 66.016760804074
5√n 28.557709340507

Divisors of 18994018

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18994017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18994018 can be divided by 8 positive divisors. The sum of these divisors (counting 18994018) is 1, the average is 0.125.

Base conversion 18994018

Base System Value
2 Binary 1001000011101001101100010
3 Ternary 1022201222220011
4 Quaternary 1020131031202
5 Quinary 14330302033
6 Senary 1515035134
8 Octal 110351542
10 Decimal 18994018
12 Duodecimal 643baaa
16 Hexadecimal 121d362
20 Vigesimal 5ie50i
36 Base36 bb3vm

Cryptographic Hash Functions

md5 044fe50ee0f33501929a91a9f9e76484
sha1 ac38a606baeb38a9f7299b2858222850741b84f5
sha256 808b7e0869aeb6d0591ab7bf8d2698c60c8aa113e3b19b9b554a53ddf4fb96e2
sha512 a9efe9b6c88a68e71b4583770a45058bb41e8822acc8724bdb1182d617d0582b670ec3780c15a5bfd30878e419e5d697500c5582e948497713763b167ba5a53c
ripemd-160 69ff6e56fde2cd51802a1c90faa8e209f17efc6f

18994018 as geometric shapes

Circle

Radius = n
Diameter 37988036
Circumference 119342934.8219
Area 1.13340092609E+15

Sphere

Radius = n
Volume 2.8703783455161E+22
Surface area 4.5336037043602E+15
Circumference 119342934.8219

Square

Length = n
Perimeter 75976072
Area 360772719784324
Diagonal 26861597.859559

Cube

Length = n
Surface area 2164636318705944
Volume 6.8525235334924E+21
Space diagonal 32898604.215878

Equilateral Triangle

Length = n
Perimeter 56982054
Area 1.5621917016281E+14
Altitude 16449302.107939

Triangular Pyramid

Length = n
Surface area 1.5621917016281E+14
Volume 8.0757764312881E+20
Height 8953865.9531862