18809748 (number)

18809748 is an even 8-digits composite number following 18809747 and preceding 18809749. In scientific notation, it is written as 1.8809748 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors. There are 5898816 positive integers (up to 18809748) that are relatively prime to 18809748.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred nine thousand seven hundred forty-eight

Notation

Scientific notation 1.8809748 × 10^7
Engineering notation 1.8809748 × 10^6

Prime Factorization of 18809748

Prime Factorization 2 × 2 × 3 × 3 × 29 × 43 × 419

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3134958
Product of the distinct prime numbers

The prime factorization of 18809748 is 2 × 2 × 3 × 3 × 29 × 43 × 419. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18809748)

Multiplication

n×y
n×2 37619496
n×3 56429244
n×4 75238992
n×5 94048740

Division

n÷y
n÷2 9404874
n÷3 6269916
n÷3 4702437
n÷5 3761949.6

Exponentiation

ny
n2 353806619823504
n3 6.6550133596119E+21
n4 1.2517912423093E+29
n5 2.3545877816446E+36

Nth Root

y√n
2√n 4337.0206363355
3√n 265.94652853239
4√n 65.856059981869
5√n 28.502082671899

Divisors of 18809748

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18809747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18809748 can be divided by 72 positive divisors. The sum of these divisors (counting 18809748) is 1, the average is 0.013888888888889.

Base conversion 18809748

Base System Value
2 Binary 1000111110000001110010100
3 Ternary 1022101122010100
4 Quaternary 1013300032110
5 Quinary 14303402443
6 Senary 1511054100
8 Octal 107601624
10 Decimal 18809748
12 Duodecimal 6371330
16 Hexadecimal 11f0394
20 Vigesimal 5hb478
36 Base36 b75p0

Cryptographic Hash Functions

md5 bb5ffce9a7a80231ae1d30a93e5e7dc9
sha1 dc15d5b3890b8d4945e51b8ddac5a9efe24edad7
sha256 f1ac9e0d4f8ea9cf288fcecfd2095191004a4394bafd9fe948206dcef581ba73
sha512 8419bd0334a81e200763c255e06bda88ff174de976184b3d824cae51290cf204d5946f98e4c1556844a1e6a1fd41f5de842ef7cb9f0e3fd1f21c094a72eb9c68
ripemd-160 cd893d01dc76fb302c376f21a5d195c549ef5cd3

18809748 as geometric shapes

Circle

Radius = n
Diameter 37619496
Circumference 118185132.26535
Area 1.111516277629E+15

Sphere

Radius = n
Volume 2.7876454773465E+22
Surface area 4.4460651105158E+15
Circumference 118185132.26535

Square

Length = n
Perimeter 75238992
Area 353806619823504
Diagonal 26601000.72642

Cube

Length = n
Surface area 2122839718941024
Volume 6.6550133596119E+21
Space diagonal 32579439.213567

Equilateral Triangle

Length = n
Perimeter 56429244
Area 1.5320276039713E+14
Altitude 16289719.606784

Triangular Pyramid

Length = n
Surface area 1.5320276039713E+14
Volume 7.8430084591144E+20
Height 8867000.2421401