18390980 is an even 8-digits composite number following 18390979
and preceding 18390981 . In scientific notation, it is written as 1.8390980 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 7308288 positive integers (up to 18390980) that are relatively prime to 18390980.
18390980 has 24 divisors, whose sum is 38873688
The reverse of 18390980 is 08909381
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million three hundred ninety thousand nine hundred eighty
Scientific notation
1.8390980 × 10^7
Engineering notation
1.8390980 × 10^6
Prime Factorization
2 × 2 × 5 × 157 × 5857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9195490
Product of the distinct prime numbers
The prime factorization of 18390980 is 2 × 2 × 5 × 157 × 5857.
Since it has a total of 5 prime factors.
5 , 1 , 52 , 2 , 66 , 960 , 8358 , 5109 , 37633 , 27618 , 665306 , 909069 , 2833416 , 7125462 , 70907738 , 41134951 , 621636077 , 450035392 , 5674375459 , 6780382482
n×2
36781960
n×3
55172940
n×4
73563920
n×5
91954900
n÷2
9195490
n÷3
6130326.6666667
n÷3
4597745
n÷5
3678196
n2
338228145360400
n3
6.2203470567602E+21
n4
1.1439827831394E+29
n5
2.103896448506E+36
2 √n
4288.470589849
3 √n
263.95807797754
4 √n
65.486415307673
5 √n
28.374026788151
1 , 2 , 4 , 5 , 10 , 20 , 157 , 314 , 628 , 785 , 1570 , 3140 , 5857 , 11714 , 23428 , 29285 , 58570 , 117140 , 919549 , 1839098 , 3678196 , 4597745 , 9195490 , 18390980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18390979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18390980 can be divided by 24 positive divisors.
The sum of these divisors (counting 18390980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000110001001111111000100
3
Ternary
1021121100200102
4
Quaternary
1012021333010
5
Quinary
14202002410
6
Senary
1454103232
8
Octal
106117704
10
Decimal
18390980
12
Duodecimal
61aab18
16
Hexadecimal
1189fc4
20
Vigesimal
5eih90
36
Base36
ay6kk
md5
8afb332e7d90e45612eb65098323fa97
sha1
5f6d48fe566bd839e3499335c7c82cbf40adf6a9
sha256
088b7dc3919e3505994b136bef801afa5e6c4cd16d9ad82f97dfd7bf2a384e60
sha512
8e7aef5760ae86a1225cbc5a8d1bfc67a7a083474db80e20d894ce5df2d29ec65f7329b855a435095cd4c759e9206d516e62b3978303f19ced4ef38aff378b06
ripemd-160
7d15e6ac267eff107f8782af194d0a13c81c9260
Diameter
36781960
Circumference
115553935.32063
Area
1.0625750567015E+15
Volume
2.6055728821729E+22
Surface area
4.2503002268061E+15
Circumference
115553935.32063
Perimeter
73563920
Area
338228145360400
Diagonal
26008773.341332
Surface area
2029368872162400
Volume
6.2203470567602E+21
Space diagonal
31854111.760983
Perimeter
55172940
Area
1.464570830785E+14
Altitude
15927055.880492
Surface area
1.464570830785E+14
Volume
7.3307493086149E+20
Height
8669591.1137774