18086809 is an odd 8-digits composite number following 18086808
and preceding 18086810 . In scientific notation, it is written as 1.8086809 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 15840000 positive integers (up to 18086809) that are relatively prime to 18086809.
18086809 has 16 divisors, whose sum is 20490624
The reverse of 18086809 is 90868081
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million eighty-six thousand eight hundred nine
Scientific notation
1.8086809 × 10^7
Engineering notation
1.8086809 × 10^6
Prime Factorization
23 × 241 × 13 × 251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18086809
Product of the distinct prime numbers
The prime factorization of 18086809 is 23 × 241 × 13 × 251.
Since it has a total of 4 prime factors.
1 , 7 , 14 , 83 , 90 , 903 , 6706 , 569 , 94569 , 92815 , 928123 , 763422 , 2787529 , 2106949 , 10037445 , 9066414 , 508267780 , 350913643 , 4402644697 , 3635478280
n×2
36173618
n×3
54260427
n×4
72347236
n×5
90434045
n÷2
9043404.5
n÷3
6028936.3333333
n÷3
4521702.25
n÷5
3617361.8
n2
327132659802481
n3
5.9167859355095E+21
n4
1.0701577710945E+29
n5
1.9355739205651E+36
2 √n
4252.8589207732
3 √n
262.49476754498
4 √n
65.213947287165
5 √n
28.279543230057
1 , 13 , 23 , 241 , 251 , 299 , 3133 , 3263 , 5543 , 5773 , 60491 , 72059 , 75049 , 786383 , 1391293 , 18086809
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
-18086808
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 18086809 can be divided by 16 positive divisors.
The sum of these divisors (counting 18086809) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100111111101110011001
3
Ternary
1021000220102211
4
Quaternary
1010333232121
5
Quinary
14112234214
6
Senary
1443355121
8
Octal
104775631
10
Decimal
18086809
12
Duodecimal
6082aa1
16
Hexadecimal
113fb99
20
Vigesimal
5d0h09
36
Base36
arnvd
md5
fe9924c0da3d5b67e4c368d5a351794a
sha1
eff7177ace1f5d6ef787ac5bc7009001092883e0
sha256
9e6251499968d3ab38d258bc03195e23ac53825a934fd9c4d92f726c6e8eaa65
sha512
ecae6fb220849df2ffacda62e72a9ee55c0a617e2811189b7e0fb162e51e3d0c9fff0a99dfc3b8edade8c7e4972a611f45d71ce8caabe38909617e73a404bd42
ripemd-160
6f8829b7781b057bd49cf78a113b6db1b6948b15
Diameter
36173618
Circumference
113642772.56256
Area
1.0277175607848E+15
Volume
2.478417497048E+22
Surface area
4.1108702431391E+15
Circumference
113642772.56256
Perimeter
72347236
Area
327132659802481
Diagonal
25578610.587852
Surface area
1962795958814886
Volume
5.9167859355095E+21
Space diagonal
31327272.134794
Perimeter
54260427
Area
1.4165259689826E+14
Altitude
15663636.067397
Surface area
1.4165259689826E+14
Volume
6.9729990963799E+20
Height
8526203.5292839