18188220 is an even 8-digits composite number following 18188219
and preceding 18188221 . In scientific notation, it is written as 1.8188220 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 4682496 positive integers (up to 18188220) that are relatively prime to 18188220.
18188220 has 24 divisors, whose sum is 35125440
The reverse of 18188220 is 02288181
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million one hundred eighty-eight thousand two hundred twenty
Scientific notation
1.8188220 × 10^7
Engineering notation
1.8188220 × 10^6
Prime Factorization
2 × 2 × 15 × 29 × 10453
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9094110
Product of the distinct prime numbers
The prime factorization of 18188220 is 2 × 2 × 15 × 29 × 10453.
Since it has a total of 5 prime factors.
6 , 1 , 77 , 77 , 871 , 978 , 8766 , 4318 , 16575 , 45383 , 523428 , 291326 , 2522242 , 1347147 , 32240952 , 56961697 , 796718869 , 961839971 , 9613062209 , 6051890222
n×2
36376440
n×3
54564660
n×4
72752880
n×5
90941100
n÷2
9094110
n÷3
6062740
n÷3
4547055
n÷5
3637644
n2
330811346768400
n3
6.0168695535199E+21
n4
1.0943614715072E+29
n5
1.9904487203297E+36
2 √n
4264.7649407675
3 √n
262.98444779775
4 √n
65.305167795264
5 √n
28.311184481899
1 , 2 , 4 , 15 , 29 , 30 , 58 , 60 , 116 , 435 , 870 , 1740 , 10453 , 20906 , 41812 , 156795 , 303137 , 313590 , 606274 , 627180 , 1212548 , 4547055 , 9094110 , 18188220
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
-18188219
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 18188220 can be divided by 24 positive divisors.
The sum of these divisors (counting 18188220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000101011000011110111100
3
Ternary
1021020001112210
4
Quaternary
1011120132330
5
Quinary
14124010340
6
Senary
1445500420
8
Octal
105303674
10
Decimal
18188220
12
Duodecimal
6111710
16
Hexadecimal
11587bc
20
Vigesimal
5ddab0
36
Base36
atu4c
md5
3210a7f0fe6342ee1587aa598fada4cc
sha1
6f73fb4a2d54ba065ed6fbeab67c47acb7a77816
sha256
9dc16bc91d83fc834954e53fe31d527d623c9467bf17e094c873f9f0ba259867
sha512
be8418d4dc693700371ecab3f2794c6f6317785175a81283ab3b85d023a4b62c47777dc19716cf32e36902b76b799c9b0302ea08e31de18e491f7aedb8d7ae0d
ripemd-160
02fb6dad12a93af66292a86a28add6c328467cbb
Diameter
36376440
Circumference
114279956.66775
Area
1.0392744967318E+15
Volume
2.5203404249262E+22
Surface area
4.157097986927E+15
Circumference
114279956.66775
Perimeter
72752880
Area
330811346768400
Diagonal
25722027.399426
Surface area
1984868080610400
Volume
6.0168695535199E+21
Space diagonal
31502921.13924
Perimeter
54564660
Area
1.4324551508079E+14
Altitude
15751460.56962
Surface area
1.4324551508079E+14
Volume
7.0909487713481E+20
Height
8574009.1331419