18085145 (number)

18085145 is an odd 8-digits composite number following 18085144 and preceding 18085146. In scientific notation, it is written as 1.8085145 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 13355136 positive integers (up to 18085145) that are relatively prime to 18085145.

Interesting facts

Basic properties

Name

Name eighteen million eighty-five thousand one hundred forty-five

Notation

Scientific notation 1.8085145 × 10^7
Engineering notation 1.8085145 × 10^6

Prime Factorization of 18085145

Prime Factorization 5 × 13 × 278233

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18085145
Product of the distinct prime numbers

The prime factorization of 18085145 is 5 × 13 × 278233. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18085145)

Multiplication

n×y
n×2 36170290
n×3 54255435
n×4 72340580
n×5 90425725

Division

n÷y
n÷2 9042572.5
n÷3 6028381.6666667
n÷3 4521286.25
n÷5 3617029

Exponentiation

ny
n2 327072469671025
n3 5.9151530395086E+21
n4 1.069764004167E+29
n5 1.9346837131141E+36

Nth Root

y√n
2√n 4252.6632831674
3√n 262.48671739291
4√n 65.212447302393
5√n 28.279022863067

Divisors of 18085145

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 -18085144
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 18085145 can be divided by 8 positive divisors. The sum of these divisors (counting 18085145) is 1, the average is 0.125.

Base conversion 18085145

Base System Value
2 Binary 1000100111111010100011001
3 Ternary 1021000211011012
4 Quaternary 1010333110121
5 Quinary 14112211040
6 Senary 1443343305
8 Octal 104772431
10 Decimal 18085145
12 Duodecimal 6081b35
16 Hexadecimal 113f519
20 Vigesimal 5d0ch5
36 Base36 arml5

Cryptographic Hash Functions

md5 4f76b30fb2ec3b7f1862a79de6b2df20
sha1 bfca9bd2e49207047f97112ab70c1b19d3277eb6
sha256 78014b9bd79beabec764fb9385e38b5486adba52a0421eeb1f98d520aae0cd4c
sha512 47fca223d1ae373fad02be95ce0e61713fbee441142fe21377ce5df2df5083f10e1f01c82ecf3b31aa87775415e53a565c29a6e70015ca772bed610467e3ee6c
ripemd-160 4e45ed64de2a8f20d103237db0c68720901323f9

18085145 as geometric shapes

Circle

Radius = n
Diameter 36170290
Circumference 113632317.34221
Area 1.02752846791E+15

Sphere

Radius = n
Volume 2.4777335111706E+22
Surface area 4.1101138716398E+15
Circumference 113632317.34221

Square

Length = n
Perimeter 72340580
Area 327072469671025
Diagonal 25576257.336484

Cube

Length = n
Surface area 1962434818026150
Volume 5.9151530395086E+21
Space diagonal 31324390.00225

Equilateral Triangle

Length = n
Perimeter 54255435
Area 1.4162653380681E+14
Altitude 15662195.001125

Triangular Pyramid

Length = n
Surface area 1.4162653380681E+14
Volume 6.9710747099879E+20
Height 8525419.1121613