18985306 (number)

18985306 is an even 8-digits composite number following 18985305 and preceding 18985307. In scientific notation, it is written as 1.8985306 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9349600 positive integers (up to 18985306) that are relatively prime to 18985306.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8985306 × 10^7
Engineering notation 1.8985306 × 10^6

Prime Factorization of 18985306

Prime Factorization 2 × 72463 × 131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18985306
Product of the distinct prime numbers

The prime factorization of 18985306 is 2 × 72463 × 131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18985306)

Multiplication

n×y
n×2 37970612
n×3 56955918
n×4 75941224
n×5 94926530

Division

n÷y
n÷2 9492653
n÷3 6328435.3333333
n÷3 4746326.5
n÷5 3797061.2

Exponentiation

ny
n2 360441843913636
n3 6.8430987019046E+21
n4 1.2991832284386E+29
n5 2.4665391141975E+36

Nth Root

y√n
2√n 4357.2131001364
3√n 266.77135854594
4√n 66.009189512797
5√n 28.555089142692

Divisors of 18985306

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18985305
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18985306 can be divided by 8 positive divisors. The sum of these divisors (counting 18985306) is 1, the average is 0.125.

Base conversion 18985306

Base System Value
2 Binary 1001000011011000101011010
3 Ternary 1022201112221111
4 Quaternary 1020123011122
5 Quinary 14330012211
6 Senary 1514530534
8 Octal 110330532
10 Decimal 18985306
12 Duodecimal 6436a4a
16 Hexadecimal 121b15a
20 Vigesimal 5id356
36 Base36 bax5m

Cryptographic Hash Functions

md5 f0c9819a9932856bbd99a829b4576988
sha1 cd24b617fc165868ee19089215c3cbf4f4862649
sha256 89f91eda2d11395266624123cbf0ece62f09630a8b779f090930665004be1722
sha512 e78449c0420cccb528a4475df2a6f974ddca2d6c83550cd5caac4e1999bcbdd51fede3ec8c4bbbc9dd403b4542ea682a8220edb206da7074dec09334881d4279
ripemd-160 16c7ba11e75f82f470b92f0199bbf98f43f474c1

18985306 as geometric shapes

Circle

Radius = n
Diameter 37970612
Circumference 119288195.71151
Area 1.1323614488854E+15

Sphere

Radius = n
Volume 2.8664304812925E+22
Surface area 4.5294457955418E+15
Circumference 119288195.71151

Square

Length = n
Perimeter 75941224
Area 360441843913636
Diagonal 26849277.231003

Cube

Length = n
Surface area 2162651063481816
Volume 6.8430987019046E+21
Space diagonal 32883514.589242

Equilateral Triangle

Length = n
Perimeter 56955918
Area 1.5607589670806E+14
Altitude 16441757.294621

Triangular Pyramid

Length = n
Surface area 1.5607589670806E+14
Volume 8.0646691607427E+20
Height 8949759.0770011