18085989 (number)

18085989 is an odd 8-digits composite number following 18085988 and preceding 18085990. In scientific notation, it is written as 1.8085989 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 11558400 positive integers (up to 18085989) that are relatively prime to 18085989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8085989 × 10^7
Engineering notation 1.8085989 × 10^6

Prime Factorization of 18085989

Prime Factorization 3 × 31 × 113 × 1721

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18085989
Product of the distinct prime numbers

The prime factorization of 18085989 is 3 × 31 × 113 × 1721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 76, 31, 467, 414, 9303, 7130, 86139, 71318, 106292, 636086, 5161821, 1725125, 35066872, 92371359, 737602945, 261256493, 7124467796, 8341725915

Basic calculations (n = 18085989)

Multiplication

n×y
n×2 36171978
n×3 54257967
n×4 72343956
n×5 90429945

Division

n÷y
n÷2 9042994.5
n÷3 6028663
n÷3 4521497.25
n÷5 3617197.8

Exponentiation

ny
n2 327102998108121
n3 5.9159812256505E+21
n4 1.0699637137132E+29
n5 1.9351351956616E+36

Nth Root

y√n
2√n 4252.7625139431
3√n 262.49080058464
4√n 65.213208124912
5√n 28.279286803995

Divisors of 18085989

1, 3, 31, 93, 113, 339, 1721, 3503, 5163, 10509, 53351, 160053, 194473, 583419, 6028663, 18085989

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 -18085988
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 18085989 can be divided by 16 positive divisors. The sum of these divisors (counting 18085989) is 1, the average is 0.0625.

Base conversion 18085989

Base System Value
2 Binary 1000100111111100001100101
3 Ternary 1021000212022110
4 Quaternary 1010333201211
5 Quinary 14112222424
6 Senary 1443351233
8 Octal 104774145
10 Decimal 18085989
12 Duodecimal 6082519
16 Hexadecimal 113f865
20 Vigesimal 5d0ej9
36 Base36 arn8l

Cryptographic Hash Functions

md5 53b26c0259821ad0433a4c9204f5684a
sha1 0757a2c8723742a528bbef173122845a0ff490e6
sha256 e6b2234d781a1680508e5057d81ab42ec81ad862f617481b6999c699652d3d6e
sha512 3cad046af777536258ccebedf9d0110dd4f1ed079509cb9f41c12777427967401d93940a50051176a8b79bb4e6a8455cd28ffd12d3305370ec99e6d25a9d552b
ripemd-160 da5f2bc8b442c148111e3f41f2842a5372fd1cf7

18085989 as geometric shapes

Circle

Radius = n
Diameter 36171978
Circumference 113637620.35061
Area 1.0276243758237E+15

Sphere

Radius = n
Volume 2.4780804209705E+22
Surface area 4.1104975032947E+15
Circumference 113637620.35061

Square

Length = n
Perimeter 72343956
Area 327102998108121
Diagonal 25577450.932731

Cube

Length = n
Surface area 1962617988648726
Volume 5.9159812256505E+21
Space diagonal 31325851.853132

Equilateral Triangle

Length = n
Perimeter 54257967
Area 1.4163975300784E+14
Altitude 15662925.926566

Triangular Pyramid

Length = n
Surface area 1.4163975300784E+14
Volume 6.9720507367163E+20
Height 8525816.9775769