18122008 is an even 8-digits composite number following 18122007
and preceding 18122009 . In scientific notation, it is written as 1.8122008 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors.
There are 8815968 positive integers (up to 18122008) that are relatively prime to 18122008.
18122008 has 16 divisors, whose sum is 34897680
The reverse of 18122008 is 80022181
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighteen million one hundred twenty-two thousand eight
Scientific notation
1.8122008 × 10^7
Engineering notation
1.8122008 × 10^6
Prime Factorization
2 × 2 × 2 × 37 × 61223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4530502
Product of the distinct prime numbers
The prime factorization of 18122008 is 2 × 2 × 2 × 37 × 61223.
Since it has a total of 5 prime factors.
9 , 1 , 21 , 30 , 238 , 449 , 9010 , 3553 , 34030 , 54691 , 268461 , 962279 , 4771982 , 8615412 , 74481281 , 2365564 , 876154992 , 957203685 , 663387386 , 9374834160
n×2
36244016
n×3
54366024
n×4
72488032
n×5
90610040
n÷2
9061004
n÷3
6040669.3333333
n÷3
4530502
n÷5
3624401.6
n2
328407173952064
n3
5.9513974336167E+21
n4
1.0785127190318E+29
n5
1.9544816122396E+36
2 √n
4256.9951843994
3 √n
262.66493882012
4 √n
65.245652609193
5 √n
28.290541717095
1 , 2 , 4 , 8 , 37 , 74 , 148 , 296 , 61223 , 122446 , 244892 , 489784 , 2265251 , 4530502 , 9061004 , 18122008
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
-18122007
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 18122008 can be divided by 16 positive divisors.
The sum of these divisors (counting 18122008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101001000010100011000
3
Ternary
1021002200201111
4
Quaternary
1011020110120
5
Quinary
14114401013
6
Senary
1444230104
8
Octal
105102430
10
Decimal
18122008
12
Duodecimal
609b334
16
Hexadecimal
1148518
20
Vigesimal
5d5508
36
Base36
asf14
md5
6234a8b4cf6dfd5c1e92a81591dfc175
sha1
6f20a45e8a7eece7f47d1aa49ee87dc4b4b03540
sha256
87d7a666c16346fcca8c7d67ef2bedc48a4664f9260fbf493021d9bd8179313d
sha512
ac071c8f47b1516a14fec9f5720e4baadbd3db0271f0a9e4b2c8fe614c134d91c5ca4868888c254ec629283d9d4da1378d7e692aa21262426183ca064d9df91c
ripemd-160
50aa544f5d59abd42994dcf606eb1ca3ec1ee38a
Diameter
36244016
Circumference
113863934.40219
Area
1.031721565074E+15
Volume
2.4929155274724E+22
Surface area
4.126886260296E+15
Circumference
113863934.40219
Perimeter
72488032
Area
328407173952064
Diagonal
25628389.491034
Surface area
1970443043712384
Volume
5.9513974336167E+21
Space diagonal
31388238.59117
Perimeter
54366024
Area
1.4220447771377E+14
Altitude
15694119.295585
Surface area
1.4220447771377E+14
Volume
7.0137891380776E+20
Height
8542796.4970112