18393820 is an even 8-digits composite number following 18393819
and preceding 18393821 . In scientific notation, it is written as 1.8393820 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 7357520 positive integers (up to 18393820) that are relatively prime to 18393820.
18393820 has 12 divisors, whose sum is 38627064
The reverse of 18393820 is 02839381
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million three hundred ninety-three thousand eight hundred twenty
Scientific notation
1.8393820 × 10^7
Engineering notation
1.8393820 × 10^6
Prime Factorization
2 × 2 × 5 × 919691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9196910
Product of the distinct prime numbers
The prime factorization of 18393820 is 2 × 2 × 5 × 919691.
Since it has a total of 4 prime factors.
6 , 10 , 45 , 65 , 834 , 993 , 3727 , 4259 , 64656 , 26392 , 131162 , 338544 , 4613450 , 9865056 , 15352886 , 39478833 , 725864079 , 472290673 , 7863452303 , 8382372461
n×2
36787640
n×3
55181460
n×4
73575280
n×5
91969100
n÷2
9196910
n÷3
6131273.3333333
n÷3
4598455
n÷5
3678764
n2
338332614192400
n3
6.2232292055845E+21
n4
1.1446895782626E+29
n5
2.1055214058439E+36
2 √n
4288.8016974442
3 √n
263.97166439069
4 √n
65.488943322092
5 √n
28.374903057485
1 , 2 , 4 , 5 , 10 , 20 , 919691 , 1839382 , 3678764 , 4598455 , 9196910 , 18393820
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18393819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18393820 can be divided by 12 positive divisors.
The sum of these divisors (counting 18393820) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110001010101011011100
3
Ternary
1021121111120121
4
Quaternary
1012022223130
5
Quinary
14202100240
6
Senary
1454124324
8
Octal
106125334
10
Decimal
18393820
12
Duodecimal
61b06a4
16
Hexadecimal
118aadc
20
Vigesimal
5ej4b0
36
Base36
ay8rg
md5
d763f1adb7bbb9a536a7b7b32df07ce8
sha1
072a3b830e379c783daafcd8fbdc979c7a8e0377
sha256
c33ef9dcd6da21c689bbbbc66a28733725934c8d7a6886adc3a6a4628c1a519b
sha512
7621f11c13708b444f87c49bb8ed5932bd86bbddd7eed6fb55608899e946dbcfc87da37c0f4dbda0dac905d5b0cc79f30a9348b5a77b892c43ae45df3185468d
ripemd-160
7756fd459844f3d7d0f6104078122428ff6be893
Diameter
36787640
Circumference
115571779.56691
Area
1.0629032552167E+15
Volume
2.6067801538493E+22
Surface area
4.2516130208667E+15
Circumference
115571779.56691
Perimeter
73575280
Area
338332614192400
Diagonal
26012789.707849
Surface area
2029995685154400
Volume
6.2232292055845E+21
Space diagonal
31859030.785277
Perimeter
55181460
Area
1.4650231940971E+14
Altitude
15929515.392638
Surface area
1.4650231940971E+14
Volume
7.3341459535782E+20
Height
8670929.9026165