18806420 is an even 8-digits composite number following 18806419
and preceding 18806421 . In scientific notation, it is written as 1.8806420 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 7079936 positive integers (up to 18806420) that are relatively prime to 18806420.
18806420 has 24 divisors, whose sum is 41817384
The reverse of 18806420 is 02460881
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million eight hundred six thousand four hundred twenty
Scientific notation
1.8806420 × 10^7
Engineering notation
1.8806420 × 10^6
Prime Factorization
2 × 2 × 5 × 17 × 55313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9403210
Product of the distinct prime numbers
The prime factorization of 18806420 is 2 × 2 × 5 × 17 × 55313.
Since it has a total of 5 prime factors.
4 , 2 , 78 , 66 , 789 , 369 , 6274 , 5827 , 859 , 7103 , 530287 , 975592 , 819210 , 7433929 , 45171477 , 35556335 , 916866531 , 547014067 , 7629995709 , 5145084205
n×2
37612840
n×3
56419260
n×4
75225680
n×5
94032100
n÷2
9403210
n÷3
6268806.6666667
n÷3
4701605
n÷5
3761284
n2
353681433216400
n3
6.6514815792696E+21
n4
1.2509055620201E+29
n5
2.3525055379685E+36
2 √n
4336.6369458372
3 √n
265.93084300858
4 √n
65.853146818031
5 √n
28.501074028456
1 , 2 , 4 , 5 , 10 , 17 , 20 , 34 , 68 , 85 , 170 , 340 , 55313 , 110626 , 221252 , 276565 , 553130 , 940321 , 1106260 , 1880642 , 3761284 , 4701605 , 9403210 , 18806420
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
-18806419
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 18806420 can be divided by 24 positive divisors.
The sum of these divisors (counting 18806420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000111101111011010010100
3
Ternary
1022101110120002
4
Quaternary
1013233122110
5
Quinary
14303301140
6
Senary
1511030432
8
Octal
107573224
10
Decimal
18806420
12
Duodecimal
636b418
16
Hexadecimal
11ef694
20
Vigesimal
5hag10
36
Base36
b734k
md5
73777f631f5ec49cb8f121c05e0d6652
sha1
0511567fb1bf79eb012514da32449028cbf63c8c
sha256
2dee83f9422e028de3208ee9d9e63bafee66bc779918a4d571d658066bb5a5c5
sha512
38240927ca7e860f8845b27934c1b72b87ca16e88b73f409f0f304d54eddf315372929be536e6d7ca476561889a31d77b18c3225038faa87de8dac4f1ac97afe
ripemd-160
9c94381fdec78bbe9717084fc0e33b10d2cde256
Diameter
37612840
Circumference
118164221.82465
Area
1.1111229923038E+15
Volume
2.7861660886561E+22
Surface area
4.444491969215E+15
Circumference
118164221.82465
Perimeter
75225680
Area
353681433216400
Diagonal
26596294.223685
Surface area
2122088599298400
Volume
6.6514815792696E+21
Space diagonal
32573674.948479
Perimeter
56419260
Area
1.5314855300615E+14
Altitude
16286837.47424
Surface area
1.5314855300615E+14
Volume
7.8388462160649E+20
Height
8865431.4078949