18085440 (number)

18085440 is an even 8-digits composite number following 18085439 and preceding 18085441. In scientific notation, it is written as 1.8085440 × 10^7. The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors. There are 4822528 positive integers (up to 18085440) that are relatively prime to 18085440.

Interesting facts

Basic properties

Name

Name eighteen million eighty-five thousand four hundred forty

Notation

Scientific notation 1.8085440 × 10^7
Engineering notation 1.8085440 × 10^6

Prime Factorization of 18085440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 15 × 18839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 565170
Product of the distinct prime numbers

The prime factorization of 18085440 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 18839. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18085440)

Multiplication

n×y
n×2 36170880
n×3 54256320
n×4 72341760
n×5 90427200

Division

n÷y
n÷2 9042720
n÷3 6028480
n÷3 4521360
n÷5 3617088

Exponentiation

ny
n2 327083139993600
n3 5.9154425033659E+21
n4 1.0698338046807E+29
n5 1.9348415084525E+36

Nth Root

y√n
2√n 4252.6979671733
3√n 262.48814458929
4√n 65.212713232723
5√n 28.279115118422

Divisors of 18085440

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18085439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18085440 can be divided by 28 positive divisors. The sum of these divisors (counting 18085440) is 1, the average is 0.035714285714286.

Base conversion 18085440

Base System Value
2 Binary 1000100111111011001000000
3 Ternary 1021000211120010
4 Quaternary 1010333121000
5 Quinary 14112213230
6 Senary 1443344520
8 Octal 104773100
10 Decimal 18085440
12 Duodecimal 6082140
16 Hexadecimal 113f640
20 Vigesimal 5d0dc0
36 Base36 armtc

Cryptographic Hash Functions

md5 8cd4173d21e7615da544000fd7a73d1e
sha1 0a3425ec04f1cf6163a9bab2f6d9a1e8e15cfd4a
sha256 41fecd54e731405f5f9ce626ecaa25d5052de727d2397837d9f523f19081f53d
sha512 c433e57535141b06d4715451793c36a1ae515d5a2bcee6ab3e742ffb9b31a802ee108468d135e47a28dcc634f23524008c93f1f7af427f6412acbbef0973f302
ripemd-160 e9e363cd57fb0940d4f183613ea218897489f575

18085440 as geometric shapes

Circle

Radius = n
Diameter 36170880
Circumference 113634170.88188
Area 1.027561989717E+15

Sphere

Radius = n
Volume 2.4778547615076E+22
Surface area 4.1102479588679E+15
Circumference 113634170.88188

Square

Length = n
Perimeter 72341760
Area 327083139993600
Diagonal 25576674.529485

Cube

Length = n
Surface area 1962498839961600
Volume 5.9154425033659E+21
Space diagonal 31324900.957238

Equilateral Triangle

Length = n
Perimeter 54256320
Area 1.4163115419202E+14
Altitude 15662450.478619

Triangular Pyramid

Length = n
Surface area 1.4163115419202E+14
Volume 6.9714158464152E+20
Height 8525558.176495