18908045 (number)

18908045 is an odd 8-digits composite number following 18908044 and preceding 18908046. In scientific notation, it is written as 1.8908045 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 13880640 positive integers (up to 18908045) that are relatively prime to 18908045.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eight thousand forty-five

Notation

Scientific notation 1.8908045 × 10^7
Engineering notation 1.8908045 × 10^6

Prime Factorization of 18908045

Prime Factorization 5 × 13 × 191 × 1523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18908045
Product of the distinct prime numbers

The prime factorization of 18908045 is 5 × 13 × 191 × 1523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18908045)

Multiplication

n×y
n×2 37816090
n×3 56724135
n×4 75632180
n×5 94540225

Division

n÷y
n÷2 9454022.5
n÷3 6302681.6666667
n÷3 4727011.25
n÷5 3781609

Exponentiation

ny
n2 357514165722025
n3 6.7598939336095E+21
n4 1.2781637869192E+29
n5 2.4167578400438E+36

Nth Root

y√n
2√n 4348.3381883198
3√n 266.40898980536
4√n 65.941930426094
5√n 28.531810141619

Divisors of 18908045

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 -18908044
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 18908045 can be divided by 16 positive divisors. The sum of these divisors (counting 18908045) is 1, the average is 0.0625.

Base conversion 18908045

Base System Value
2 Binary 1001000001000001110001101
3 Ternary 1022120121221222
4 Quaternary 1020020032031
5 Quinary 14320024140
6 Senary 1513133125
8 Octal 110101615
10 Decimal 18908045
12 Duodecimal 63ba1a5
16 Hexadecimal 120838d
20 Vigesimal 5i3a25
36 Base36 b99jh

Cryptographic Hash Functions

md5 e6013689b9adb578755477c92bad0bf5
sha1 d41a53f741001a2b2238dc0adec27a4521d3811e
sha256 079616e95d339f01373b93b41e5854099be2bcd6d73aa43136de8801b6cdb150
sha512 b0dce254080e683cab81c0a977c02601f84d2f8659ebd7e871cf90cb156724c591af02810af7a260c5b2556acfeae75a8dafe5e9cfcbdda16293bd047cd70189
ripemd-160 087914f7108243ca8fa27cdf4b81c77afdd0c6c9

18908045 as geometric shapes

Circle

Radius = n
Diameter 37816090
Circumference 118802750.53149
Area 1.1231638765866E+15

Sphere

Radius = n
Volume 2.8315777494498E+22
Surface area 4.4926555063464E+15
Circumference 118802750.53149

Square

Length = n
Perimeter 75632180
Area 357514165722025
Diagonal 26740013.676961

Cube

Length = n
Surface area 2145084994332150
Volume 6.7598939336095E+21
Space diagonal 32749694.611799

Equilateral Triangle

Length = n
Perimeter 56724135
Area 1.5480817486404E+14
Altitude 16374847.305899

Triangular Pyramid

Length = n
Surface area 1.5480817486404E+14
Volume 7.9666114009285E+20
Height 8913337.8923203