18444490 is an even 8-digits composite number following 18444489
and preceding 18444491 . In scientific notation, it is written as 1.8444490 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 6943744 positive integers (up to 18444490) that are relatively prime to 18444490.
18444490 has 16 divisors, whose sum is 35153352
The reverse of 18444490 is 09444481
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million four hundred forty-four thousand four hundred ninety
Scientific notation
1.8444490 × 10^7
Engineering notation
1.8444490 × 10^6
Prime Factorization
2 × 5 × 17 × 108497
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18444490
Product of the distinct prime numbers
The prime factorization of 18444490 is 2 × 5 × 17 × 108497.
Since it has a total of 4 prime factors.
8 , 8 , 55 , 98 , 616 , 698 , 6519 , 352 , 22905 , 63651 , 669757 , 268787 , 4396581 , 8720872 , 56990372 , 78479351 , 768192874 , 149369739 , 3518316069 , 4540164851
n×2
36888980
n×3
55333470
n×4
73777960
n×5
92222450
n÷2
9222245
n÷3
6148163.3333333
n÷3
4611122.5
n÷5
3688898
n2
340199211360100
n3
6.2748009519393E+21
n4
1.1573550341003E+29
n5
2.1346823352913E+36
2 √n
4294.704879267
3 √n
264.21383234141
4 √n
65.53399788863
5 √n
28.390518896929
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 108497 , 216994 , 542485 , 1084970 , 1844449 , 3688898 , 9222245 , 18444490
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
-18444489
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 18444490 can be divided by 16 positive divisors.
The sum of these divisors (counting 18444490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110010111000011001010
3
Ternary
1021201002002021
4
Quaternary
1012113003022
5
Quinary
14210210430
6
Senary
1455155054
8
Octal
106270312
10
Decimal
18444490
12
Duodecimal
6215a8a
16
Hexadecimal
11970ca
20
Vigesimal
5f5b4a
36
Base36
azbuy
md5
1bd153efcd91a9c94cceae7ced55aa78
sha1
840c2274a05ac22c9fc4c0f226a8208d332aa8ca
sha256
4b45afc11cebb279213714b04d9cb09d1bba4ddd191dbf4b96345f05cdff657c
sha512
e0eaed84de05d4c6a855255f840891dc060a7a9a9903ae3ebf026174e6a429c371acd5f057f922b9f7ed042611a047fd768943c325feae0a89eca0c6cf5f426c
ripemd-160
e8aa5d84d901f48dd5c278a59433c018981f3434
Diameter
36888980
Circumference
115890148.56642
Area
1.0687673431659E+15
Volume
2.6283824764467E+22
Surface area
4.2750693726637E+15
Circumference
115890148.56642
Perimeter
73777960
Area
340199211360100
Diagonal
26084447.909055
Surface area
2041195268160600
Volume
6.2748009519393E+21
Space diagonal
31946793.799696
Perimeter
55333470
Area
1.4731057969264E+14
Altitude
15973396.899848
Surface area
1.4731057969264E+14
Volume
7.3949238395201E+20
Height
8694815.969685