18444985 (number)

18444985 is an odd 8-digits composite number following 18444984 and preceding 18444986. In scientific notation, it is written as 1.8444985 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 13620864 positive integers (up to 18444985) that are relatively prime to 18444985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8444985 × 10^7
Engineering notation 1.8444985 × 10^6

Prime Factorization of 18444985

Prime Factorization 5 × 13 × 283769

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18444985
Product of the distinct prime numbers

The prime factorization of 18444985 is 5 × 13 × 283769. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18444985)

Multiplication

n×y
n×2 36889970
n×3 55334955
n×4 73779940
n×5 92224925

Division

n÷y
n÷2 9222492.5
n÷3 6148328.3333333
n÷3 4611246.25
n÷5 3688997

Exponentiation

ny
n2 340217471650225
n3 6.2753061613263E+21
n4 1.1574792801607E+29
n5 2.1349687960375E+36

Nth Root

y√n
2√n 4294.7625079857
3√n 264.21619591407
4√n 65.534437572819
5√n 28.390671280172

Divisors of 18444985

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 -18444984
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 18444985 can be divided by 8 positive divisors. The sum of these divisors (counting 18444985) is 1, the average is 0.125.

Base conversion 18444985

Base System Value
2 Binary 1000110010111001010111001
3 Ternary 1021201002202121
4 Quaternary 1012113022321
5 Quinary 14210214420
6 Senary 1455201241
8 Octal 106271271
10 Decimal 18444985
12 Duodecimal 6216221
16 Hexadecimal 11972b9
20 Vigesimal 5f5c95
36 Base36 azc8p

Cryptographic Hash Functions

md5 197ff2be63ff504823ef36c058e6f42d
sha1 f76f1a0ae0106b83c18273cdb966105ec93138c8
sha256 6730cbd3a1a47b301d994442a766e4fe3b217c951d54c2be99b6af5bd44b08b1
sha512 9389ccb01c3be3473891eb0178a5d9386238d87e769a3118d17351f7aed70a901192853b5e4a26f40c48f50b4adcb221abb427c980d654f43bfc962a39c56147
ripemd-160 f424e4032d6195041bee4bf800aae8ffd9efd977

18444985 as geometric shapes

Circle

Radius = n
Diameter 36889970
Circumference 115893258.74315
Area 1.0688247095592E+15

Sphere

Radius = n
Volume 2.6285940980599E+22
Surface area 4.275298838237E+15
Circumference 115893258.74315

Square

Length = n
Perimeter 73779940
Area 340217471650225
Diagonal 26085147.944768

Cube

Length = n
Surface area 2041304829901350
Volume 6.2753061613263E+21
Space diagonal 31947651.164846

Equilateral Triangle

Length = n
Perimeter 55334955
Area 1.473184866302E+14
Altitude 15973825.582423

Triangular Pyramid

Length = n
Surface area 1.473184866302E+14
Volume 7.3955192344926E+20
Height 8695049.3149228