18056909 is an odd 8-digits composite number following 18056908
and preceding 18056910 . In scientific notation, it is written as 1.8056909 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 15787200 positive integers (up to 18056909) that are relatively prime to 18056909.
18056909 has 16 divisors, whose sum is 20490624
The reverse of 18056909 is 90965081
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million fifty-six thousand nine hundred nine
Scientific notation
1.8056909 × 10^7
Engineering notation
1.8056909 × 10^6
Prime Factorization
23 × 13 × 131 × 461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18056909
Product of the distinct prime numbers
The prime factorization of 18056909 is 23 × 13 × 131 × 461.
Since it has a total of 4 prime factors.
1 , 9 , 34 , 97 , 443 , 357 , 5310 , 3685 , 44537 , 58146 , 900021 , 471799 , 12523 , 6860122 , 40823736 , 73701698 , 82983808 , 807915509 , 7558436639 , 8824101561
n×2
36113818
n×3
54170727
n×4
72227636
n×5
90284545
n÷2
9028454.5
n÷3
6018969.6666667
n÷3
4514227.25
n÷5
3611381.8
n2
326051962634281
n3
5.8874906185586E+21
n4
1.0630988233767E+29
n5
1.919627871172E+36
2 √n
4249.3421843857
3 √n
262.3500410307
4 √n
65.186978641334
5 √n
28.270187040938
1 , 13 , 23 , 131 , 299 , 461 , 1703 , 3013 , 5993 , 10603 , 39169 , 60391 , 137839 , 785083 , 1388993 , 18056909
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
-18056908
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 18056909 can be divided by 16 positive divisors.
The sum of these divisors (counting 18056909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100111000011011001101
3
Ternary
1020222101102102
4
Quaternary
1010320123031
5
Quinary
14110310114
6
Senary
1443004445
8
Octal
104703315
10
Decimal
18056909
12
Duodecimal
6069725
16
Hexadecimal
11386cd
20
Vigesimal
5ch259
36
Base36
ar0st
md5
b7a2ba5c0e1faa3e823685cd5d2b32c5
sha1
f66fe325bcf35076bef49e9874628d4468f48d03
sha256
b2bfb8e8dc912c4f640f405afb20e8697ea40c5fc17080c53306c184f2d8aa8b
sha512
f968457c150f22f38fdded32f3d08728b4cb01cc3096dd24534488755211c9161aac0b78ba52632aaa5b2587786d68c8a7b34bd05e410a5f7dbe64a528821454
ripemd-160
fb14e068599ced572d7eb94e933f12f5325a22bf
Diameter
36113818
Circumference
113454905.32188
Area
1.0243224505004E+15
Volume
2.466146303379E+22
Surface area
4.0972898020016E+15
Circumference
113454905.32188
Perimeter
72227636
Area
326051962634281
Diagonal
25536325.602337
Surface area
1956311775805686
Volume
5.8874906185586E+21
Space diagonal
31275483.815648
Perimeter
54170727
Area
1.4118464129753E+14
Altitude
15637741.907824
Surface area
1.4118464129753E+14
Volume
6.9384742342583E+20
Height
8512108.5341123