18086985 (number)

18086985 is an odd 8-digits composite number following 18086984 and preceding 18086986. In scientific notation, it is written as 1.8086985 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 8135424 positive integers (up to 18086985) that are relatively prime to 18086985.

Interesting facts

Basic properties

Name

Name eighteen million eighty-six thousand nine hundred eighty-five

Notation

Scientific notation 1.8086985 × 10^7
Engineering notation 1.8086985 × 10^6

Prime Factorization of 18086985

Prime Factorization 5 × 3 × 3 × 7 × 67 × 857

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 6028995
Product of the distinct prime numbers

The prime factorization of 18086985 is 5 × 3 × 3 × 7 × 67 × 857. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 1, 68, 19, 255, 20, 9840, 8192, 78047, 3991, 115787, 612025, 5704641, 1334298, 14284636, 21763625, 428740972, 162511720, 1025478184, 8400030292

Basic calculations (n = 18086985)

Multiplication

n×y
n×2 36173970
n×3 54260955
n×4 72347940
n×5 90434925

Division

n÷y
n÷2 9043492.5
n÷3 6028995
n÷3 4521746.25
n÷5 3617397

Exponentiation

ny
n2 327139026390225
n3 5.9169586632346E+21
n4 1.0701994258754E+29
n5 1.9356680962818E+36

Nth Root

y√n
2√n 4252.879612686
3√n 262.4956189745
4√n 65.214105933348
5√n 28.279598266633

Divisors of 18086985

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 857, 1005, 1407, 2345, 2571, 3015, 4221, 4285, 5999, 7035, 7713, 12855, 17997, 21105, 29995, 38565, 53991, 57419, 89985, 172257, 269955, 287095, 401933, 516771, 861285, 1205799, 2009665, 2583855, 3617397, 6028995, 18086985

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18086984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18086985 can be divided by 48 positive divisors. The sum of these divisors (counting 18086985) is 1, the average is 0.020833333333333.

Base conversion 18086985

Base System Value
2 Binary 1000100111111110001001001
3 Ternary 1021000220200100
4 Quaternary 1010333301021
5 Quinary 14112240420
6 Senary 1443400013
8 Octal 104776111
10 Decimal 18086985
12 Duodecimal 6083009
16 Hexadecimal 113fc49
20 Vigesimal 5d0h95
36 Base36 aro09

Cryptographic Hash Functions

md5 a4f304491d3563e2672c0f7765c6f924
sha1 ac994fa899bcfe0183dc7d17c496469b22af4757
sha256 30c634c2cfb8105f11b0a23cfa6e8bde76f445b97e605ece8dff1a8541174697
sha512 c8994d59da3ff66ff366a14fc4fcfe7f1c738eaf4815ce46eb71fb4260734f4fa29d9a2b106ea5802028be6da3b895f4f009a037a0954eff2b7331274e89e964
ripemd-160 663995e2ca2a0d7236acbaade048db42e466404a

18086985 as geometric shapes

Circle

Radius = n
Diameter 36173970
Circumference 113643878.40318
Area 1.02773756201E+15

Sphere

Radius = n
Volume 2.4784898490683E+22
Surface area 4.1109502480402E+15
Circumference 113643878.40318

Square

Length = n
Perimeter 72347940
Area 327139026390225
Diagonal 25578859.489439

Cube

Length = n
Surface area 1962834158341350
Volume 5.9169586632346E+21
Space diagonal 31327576.975736

Equilateral Triangle

Length = n
Perimeter 54260955
Area 1.4165535371162E+14
Altitude 15663788.487868

Triangular Pyramid

Length = n
Surface area 1.4165535371162E+14
Volume 6.9732026579561E+20
Height 8526286.4964796