18147989 (number)

18147989 is an odd 8-digits composite number following 18147988 and preceding 18147990. In scientific notation, it is written as 1.8147989 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 16798320 positive integers (up to 18147989) that are relatively prime to 18147989.

Interesting facts

Basic properties

Name

Name eighteen million one hundred forty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 1.8147989 × 10^7
Engineering notation 1.8147989 × 10^6

Prime Factorization of 18147989

Prime Factorization 23 × 31 × 25453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18147989
Product of the distinct prime numbers

The prime factorization of 18147989 is 23 × 31 × 25453. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18147989)

Multiplication

n×y
n×2 36295978
n×3 54443967
n×4 72591956
n×5 90739945

Division

n÷y
n÷2 9073994.5
n÷3 6049329.6666667
n÷3 4536997.25
n÷5 3629597.8

Exponentiation

ny
n2 329349504744121
n3 5.9770311892518E+21
n4 1.084710962752E+29
n5 1.9685322620202E+36

Nth Root

y√n
2√n 4260.0456570323
3√n 262.7904039287
4√n 65.269025249595
5√n 28.298648935873

Divisors of 18147989

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 -18147988
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 18147989 can be divided by 8 positive divisors. The sum of these divisors (counting 18147989) is 1, the average is 0.125.

Base conversion 18147989

Base System Value
2 Binary 1000101001110101010010101
3 Ternary 1021011000100202
4 Quaternary 1011032222111
5 Quinary 14121213424
6 Senary 1444550245
8 Octal 105165225
10 Decimal 18147989
12 Duodecimal 60b2385
16 Hexadecimal 114ea95
20 Vigesimal 5d89j9
36 Base36 asz2t

Cryptographic Hash Functions

md5 0f212611f1b6790ee3d1075cb49deffc
sha1 0137340331026441f8497a8d7e8daa730d9b9251
sha256 5cebf3fdfd9921d185411b4c0fa67712650d25bcd9f2a6cff178cb85fbf1f1d4
sha512 dd82d5fb7f794b96ddef61a76cef1e97c1ad1ba31fbf1ab9bda74ed7fb4c569c820f91e5f5dc0dd8bfc53653a4e500139a20f45fb8d9806793933cc4a23935df
ripemd-160 26ceed17cba8804ea2edf4264610672fcb653bf4

18147989 as geometric shapes

Circle

Radius = n
Diameter 36295978
Circumference 114027177.83966
Area 1.0346819845676E+15

Sphere

Radius = n
Volume 2.5036529699241E+22
Surface area 4.1387279382703E+15
Circumference 114027177.83966

Square

Length = n
Perimeter 72591956
Area 329349504744121
Diagonal 25665132.173598

Cube

Length = n
Surface area 1976097028464726
Volume 5.9770311892518E+21
Space diagonal 31433239.003201

Equilateral Triangle

Length = n
Perimeter 54443967
Area 1.4261251891612E+14
Altitude 15716619.501601

Triangular Pyramid

Length = n
Surface area 1.4261251891612E+14
Volume 7.0439988088057E+20
Height 8555044.0578659