18085938 (number)

18085938 is an even 8-digits composite number following 18085937 and preceding 18085939. In scientific notation, it is written as 1.8085938 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 5564880 positive integers (up to 18085938) that are relatively prime to 18085938.

Interesting facts

Basic properties

Name

Name eighteen million eighty-five thousand nine hundred thirty-eight

Notation

Scientific notation 1.8085938 × 10^7
Engineering notation 1.8085938 × 10^6

Prime Factorization of 18085938

Prime Factorization 2 × 3 × 13 × 231871

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18085938
Product of the distinct prime numbers

The prime factorization of 18085938 is 2 × 3 × 13 × 231871. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 59, 38, 399, 922, 3312, 3123, 81048, 84788, 759064, 722061, 2115409, 8018943, 82737928, 39263363, 25847631, 358802451, 8534004350, 7312817259

Basic calculations (n = 18085938)

Multiplication

n×y
n×2 36171876
n×3 54257814
n×4 72343752
n×5 90429690

Division

n÷y
n÷2 9042969
n÷3 6028646
n÷3 4521484.5
n÷5 3617187.6

Exponentiation

ny
n2 327101153339844
n3 5.9159311790329E+21
n4 1.0699516451626E+29
n5 1.9351079117408E+36

Nth Root

y√n
2√n 4252.7565178364
3√n 262.49055385509
4√n 65.213162151796
5√n 28.279270855238

Divisors of 18085938

1, 2, 3, 6, 13, 26, 39, 78, 231871, 463742, 695613, 1391226, 3014323, 6028646, 9042969, 18085938

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18085937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18085938 can be divided by 16 positive divisors. The sum of these divisors (counting 18085938) is 1, the average is 0.0625.

Base conversion 18085938

Base System Value
2 Binary 1000100111111100000110010
3 Ternary 1021000212020120
4 Quaternary 1010333200302
5 Quinary 14112222223
6 Senary 1443351110
8 Octal 104774062
10 Decimal 18085938
12 Duodecimal 6082496
16 Hexadecimal 113f832
20 Vigesimal 5d0egi
36 Base36 arn76

Cryptographic Hash Functions

md5 3d2a2e8643033a9fe86d73558ab70d7e
sha1 180ff0f91eb2ea67f64df83a27e1d50ce1de4212
sha256 3a409bd022d3c1ae32fbd88bbc80398fc25a24b5f16836ca6f32be33de9cc769
sha512 034ecb6df1199e7cd77a63207cf646c9e7a7d44b6650c62ceb995fed7750f27b1be82d91e8a35c9987f3f8fe387204989023a73c350e5fb1cf93b983a14d7309
ripemd-160 e4adf8ade9bb0f27807026459f24b7606879fe77

18085938 as geometric shapes

Circle

Radius = n
Diameter 36171876
Circumference 113637299.90816
Area 1.0276185803132E+15

Sphere

Radius = n
Volume 2.4780594574923E+22
Surface area 4.1104743212528E+15
Circumference 113637299.90816

Square

Length = n
Perimeter 72343752
Area 327101153339844
Diagonal 25577378.807839

Cube

Length = n
Surface area 1962606920039064
Volume 5.9159311790329E+21
Space diagonal 31325763.518541

Equilateral Triangle

Length = n
Perimeter 54257814
Area 1.4163895419975E+14
Altitude 15662881.75927

Triangular Pyramid

Length = n
Surface area 1.4163895419975E+14
Volume 6.9719917562118E+20
Height 8525792.9359463