18908085 (number)

18908085 is an odd 8-digits composite number following 18908084 and preceding 18908086. In scientific notation, it is written as 1.8908085 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 8643648 positive integers (up to 18908085) that are relatively prime to 18908085.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eight thousand eighty-five

Notation

Scientific notation 1.8908085 × 10^7
Engineering notation 1.8908085 × 10^6

Prime Factorization of 18908085

Prime Factorization 3 × 7 × 5 × 180077

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18908085
Product of the distinct prime numbers

The prime factorization of 18908085 is 3 × 7 × 5 × 180077. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18908085)

Multiplication

n×y
n×2 37816170
n×3 56724255
n×4 75632340
n×5 94540425

Division

n÷y
n÷2 9454042.5
n÷3 6302695
n÷3 4727021.25
n÷5 3781617

Exponentiation

ny
n2 357515678367225
n3 6.7599368354002E+21
n4 1.2781746027838E+29
n5 2.4167834034277E+36

Nth Root

y√n
2√n 4348.3427877756
3√n 266.40917766811
4√n 65.941965301131
5√n 28.531822213427

Divisors of 18908085

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 -18908084
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 18908085 can be divided by 16 positive divisors. The sum of these divisors (counting 18908085) is 1, the average is 0.0625.

Base conversion 18908085

Base System Value
2 Binary 1001000001000001110110101
3 Ternary 1022120122000110
4 Quaternary 1020020032311
5 Quinary 14320024320
6 Senary 1513133233
8 Octal 110101665
10 Decimal 18908085
12 Duodecimal 63ba219
16 Hexadecimal 12083b5
20 Vigesimal 5i3a45
36 Base36 b99kl

Cryptographic Hash Functions

md5 bb8219b14b2c8dac1772bc3ec6307f2c
sha1 c3306914d187dd024117b8a2a91c77b7501bcda1
sha256 2740b7dc993c6cc6129566266e3df42ade9a94fd0791041f7629c660393fcad7
sha512 32de5c60c7887c93493cbdae09655cd60e7cf851afebc7a2dbbe49f08de8926988a7545830acf8a751efb86c8c37aa0d993652114ab45ec326292c7eb27ed4e0
ripemd-160 733231379a078a1d54d7c95fba7c2ccf71e88993

18908085 as geometric shapes

Circle

Radius = n
Diameter 37816170
Circumference 118803001.8589
Area 1.1231686287016E+15

Sphere

Radius = n
Volume 2.8315957201099E+22
Surface area 4.4926745148066E+15
Circumference 118803001.8589

Square

Length = n
Perimeter 75632340
Area 357515678367225
Diagonal 26740070.245503

Cube

Length = n
Surface area 2145094070203350
Volume 6.7599368354002E+21
Space diagonal 32749763.893831

Equilateral Triangle

Length = n
Perimeter 56724255
Area 1.5480882985862E+14
Altitude 16374881.946915

Triangular Pyramid

Length = n
Surface area 1.5480882985862E+14
Volume 7.9666619611736E+20
Height 8913356.7485011