20180155 is an odd 8-digits composite number following 20180154
and preceding 20180156 . In scientific notation, it is written as 2.0180155 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 15586272 positive integers (up to 20180155) that are relatively prime to 20180155.
20180155 has 8 divisors, whose sum is 20541440
The reverse of 20180155 is 55108102
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty thousand one hundred fifty-five
Scientific notation
2.0180155 × 10^7
Engineering notation
2.0180155 × 10^6
Prime Factorization
235 × 79 × 1087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20180155
Product of the distinct prime numbers
The prime factorization of 20180155 is 235 × 79 × 1087.
Since it has a total of 3 prime factors.
2 , 10 , 37 , 48 , 784 , 115 , 4964 , 6886 , 21853 , 46184 , 790941 , 72080 , 3646100 , 5084766 , 52743408 , 44707156 , 298345046 , 388227714 , 1081671594 , 7023691885
n×2
40360310
n×3
60540465
n×4
80720620
n×5
100900775
n÷2
10090077.5
n÷3
6726718.3333333
n÷3
5045038.75
n÷5
4036031
n2
407238655824025
n3
8.2181391965205E+21
n4
1.6584332279736E+29
n5
3.3467439597657E+36
2 √n
4492.2327410765
3 √n
272.25435315741
4 √n
67.024120591594
5 √n
28.905793748327
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20180154
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20180155 can be divided by 8 positive divisors.
The sum of these divisors (counting 20180155) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111110110010111011
3
Ternary
1101222020222011
4
Quaternary
1030332302323
5
Quinary
20131231110
6
Senary
2000310351
8
Octal
114766273
10
Decimal
20180155
12
Duodecimal
69123b7
16
Hexadecimal
133ecbb
20
Vigesimal
662a7f
36
Base36
c0j3v
md5
deb38cd9c7cb30b7915c1fff912400c9
sha1
30386d5a04e1d9483bb228d126c3e20a9ab1eb7c
sha256
fef49d8186cc3f3d53c490c79f68b4f28e496c5d37221875c53d0d1c80d74098
sha512
0b76c52f7f23ab9ad44484b7eff27c6a975eafbb9d94a80fec8118312196d774955de0f1c29fa7ddc1080804f0e7a77fda927c31f028401c11fd2c5fd3e1e4e4
ripemd-160
604c7efe339beeeaf2c7caa6346a0082ff2d766e
Diameter
40360310
Circumference
126795653.39261
Area
1.2793779693945E+15
Volume
3.4424060967956E+22
Surface area
5.1175118775782E+15
Circumference
126795653.39261
Perimeter
80720620
Area
407238655824025
Diagonal
28539048.891791
Surface area
2443431934944150
Volume
8.2181391965205E+21
Space diagonal
34953053.764615
Perimeter
60540465
Area
1.7633951067332E+14
Altitude
17476526.882308
Surface area
1.7633951067332E+14
Volume
9.6851699243243E+20
Height
9513016.2972637