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.
18444985 has 8 divisors, whose sum is 23836680
The reverse of 18444985 is 58944481
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million four hundred forty-four thousand nine hundred eighty-five
Scientific notation
1.8444985 × 10^7
Engineering notation
1.8444985 × 10^6
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.
2 , 4 , 3 , 16 , 947 , 316 , 6159 , 4791 , 70815 , 70942 , 349968 , 311340 , 5048552 , 5617916 , 97764012 , 60062218 , 256746205 , 414678029 , 999202120 , 3913132103
n×2
36889970
n×3
55334955
n×4
73779940
n×5
92224925
n÷2
9222492.5
n÷3
6148328.3333333
n÷3
4611246.25
n÷5
3688997
n2
340217471650225
n3
6.2753061613263E+21
n4
1.1574792801607E+29
n5
2.1349687960375E+36
2 √n
4294.7625079857
3 √n
264.21619591407
4 √n
65.534437572819
5 √n
28.390671280172
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
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
md5
197ff2be63ff504823ef36c058e6f42d
sha1
f76f1a0ae0106b83c18273cdb966105ec93138c8
sha256
6730cbd3a1a47b301d994442a766e4fe3b217c951d54c2be99b6af5bd44b08b1
sha512
9389ccb01c3be3473891eb0178a5d9386238d87e769a3118d17351f7aed70a901192853b5e4a26f40c48f50b4adcb221abb427c980d654f43bfc962a39c56147
ripemd-160
f424e4032d6195041bee4bf800aae8ffd9efd977
Diameter
36889970
Circumference
115893258.74315
Area
1.0688247095592E+15
Volume
2.6285940980599E+22
Surface area
4.275298838237E+15
Circumference
115893258.74315
Perimeter
73779940
Area
340217471650225
Diagonal
26085147.944768
Surface area
2041304829901350
Volume
6.2753061613263E+21
Space diagonal
31947651.164846
Perimeter
55334955
Area
1.473184866302E+14
Altitude
15973825.582423
Surface area
1.473184866302E+14
Volume
7.3955192344926E+20
Height
8695049.3149228