18388970 is an even 8-digits composite number following 18388969
and preceding 18388971 . In scientific notation, it is written as 1.8388970 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 7344384 positive integers (up to 18388970) that are relatively prime to 18388970.
18388970 has 16 divisors, whose sum is 33150600
The reverse of 18388970 is 07988381
Previous prime number is 1049
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighteen million three hundred eighty-eight thousand nine hundred seventy
Scientific notation
1.8388970 × 10^7
Engineering notation
1.8388970 × 10^6
Prime Factorization
2 × 5 × 1049 × 1753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18388970
Product of the distinct prime numbers
The prime factorization of 18388970 is 2 × 5 × 1049 × 1753.
Since it has a total of 4 prime factors.
3 , 2 , 14 , 41 , 373 , 598 , 5684 , 3049 , 96621 , 88627 , 2201 , 977476 , 9792130 , 3686805 , 8606408 , 15678899 , 524981158 , 413859593 , 6955806924 , 3533857073
n×2
36777940
n×3
55166910
n×4
73555880
n×5
91944850
n÷2
9194485
n÷3
6129656.6666667
n÷3
4597242.5
n÷5
3677794
n2
338154217660900
n3
6.2183077639398E+21
n4
1.1434827492186E+29
n5
2.1027469970898E+36
2 √n
4288.2362341643
3 √n
263.94846139618
4 √n
65.484625937424
5 √n
28.373406546192
1 , 2 , 5 , 10 , 1049 , 1753 , 2098 , 3506 , 5245 , 8765 , 10490 , 17530 , 1838897 , 3677794 , 9194485 , 18388970
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
-18388969
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 18388970 can be divided by 16 positive divisors.
The sum of these divisors (counting 18388970) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001001011111101010
3
Ternary
1021121020220222
4
Quaternary
1012021133222
5
Quinary
14201421340
6
Senary
1454050042
8
Octal
106113752
10
Decimal
18388970
12
Duodecimal
61a9922
16
Hexadecimal
11897ea
20
Vigesimal
5eic8a
36
Base36
ay50q
md5
124b14e9b67d622bbee50147cc7d8a49
sha1
e89ce4d59f3c69f37ead8557727992b6a3800b3a
sha256
96622381bfe6285b074250fbe0409f66cac2d016bd440ad4c6be587d870db57f
sha512
cc52eccc1bacdb9d08e208b3a7904ac708ef2606e5f170c1c6771b956eeb4a7b12b9f4e2849de20fe21773b40951d9a970c9a3c98cdc1a755e5cab3dbae56834
ripemd-160
cc8ccba9618f7e38e7a389e2ea54c671a78b2557
Diameter
36777940
Circumference
115541306.11817
Area
1.0623428059839E+15
Volume
2.6047186651938E+22
Surface area
4.2493712239355E+15
Circumference
115541306.11817
Perimeter
73555880
Area
338154217660900
Diagonal
26005930.772072
Surface area
2028925305965400
Volume
6.2183077639398E+21
Space diagonal
31850630.33886
Perimeter
55166910
Area
1.464250714456E+14
Altitude
15925315.16943
Surface area
1.464250714456E+14
Volume
7.3283459789779E+20
Height
8668643.5906907