18122013 is an odd 8-digits composite number following 18122012
and preceding 18122014 . In scientific notation, it is written as 1.8122013 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 9144576 positive integers (up to 18122013) that are relatively prime to 18122013.
18122013 has 16 divisors, whose sum is 19430400
The reverse of 18122013 is 31022181
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
eighteen million one hundred twenty-two thousand thirteen
Scientific notation
1.8122013 × 10^7
Engineering notation
1.8122013 × 10^6
Prime Factorization
63 × 91 × 29 × 109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18122013
Product of the distinct prime numbers
The prime factorization of 18122013 is 63 × 91 × 29 × 109.
Since it has a total of 4 prime factors.
6 , 4 , 57 , 62 , 236 , 333 , 2036 , 9571 , 18796 , 33953 , 726096 , 970255 , 4188324 , 5233337 , 88926778 , 34571036 , 694035484 , 275065786 , 8198933104 , 5317352054
n×2
36244026
n×3
54366039
n×4
72488052
n×5
90610065
n÷2
9061006.5
n÷3
6040671
n÷3
4530503.25
n÷5
3624402.6
n2
328407355172169
n3
5.9514023597257E+21
n4
1.0785139093118E+29
n5
1.9544843085229E+36
2 √n
4256.9957716681
3 √n
262.6649629772
4 √n
65.245657109635
5 √n
28.29054327821
1 , 29 , 63 , 91 , 109 , 1827 , 2639 , 3161 , 5733 , 6867 , 9919 , 166257 , 199143 , 287651 , 624897 , 18122013
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
-18122012
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 18122013 can be divided by 16 positive divisors.
The sum of these divisors (counting 18122013) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101001000010100011101
3
Ternary
1021002200201200
4
Quaternary
1011020110131
5
Quinary
14114401023
6
Senary
1444230113
8
Octal
105102435
10
Decimal
18122013
12
Duodecimal
609b339
16
Hexadecimal
114851d
20
Vigesimal
5d550d
36
Base36
asf19
md5
95f3cd2b8bab38f7e75e61a61781d451
sha1
b341f90316b2330a6bd9353a4d186df76e6756b1
sha256
4b21d1c909b96542289130fdeb0c7730d17690fac5a8e07349170b9a41984377
sha512
9a4d8a12459162ccb5815ac5d6fa6434bd64cbf9f9c3d9940b9d360185a4e31da45b9b902611158d73efeeff78cc19bb9439ce38c21ee2cdeea605da43227756
ripemd-160
86676a5548f143fa703451d3bb0b1c6a42afe5e5
Diameter
36244026
Circumference
113863965.81812
Area
1.0317221343937E+15
Volume
2.4929175909161E+22
Surface area
4.126888537575E+15
Circumference
113863965.81812
Perimeter
72488052
Area
328407355172169
Diagonal
25628396.562102
Surface area
1970444131033014
Volume
5.9514023597257E+21
Space diagonal
31388247.251424
Perimeter
54366039
Area
1.4220455618438E+14
Altitude
15694123.625712
Surface area
1.4220455618438E+14
Volume
7.0137949435527E+20
Height
8542798.8540338