20180255 is an odd 8-digits composite number following 20180254
and preceding 20180256 . In scientific notation, it is written as 2.0180255 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 16144200 positive integers (up to 20180255) that are relatively prime to 20180255.
20180255 has 4 divisors, whose sum is 24216312
The reverse of 20180255 is 55208102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred eighty thousand two hundred fifty-five
Scientific notation
2.0180255 × 10^7
Engineering notation
2.0180255 × 10^6
Prime Factorization
5 × 4036051
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20180255
Product of the distinct prime numbers
The prime factorization of 20180255 is 5 × 4036051.
Since it has a total of 2 prime factors.
1 , 2 , 41 , 17 , 891 , 625 , 352 , 8441 , 46709 , 77708 , 834830 , 861097 , 4056266 , 239627 , 55053867 , 46391989 , 340733149 , 362652855 , 1813767000 , 4486406351
n×2
40360510
n×3
60540765
n×4
80721020
n×5
100901275
n÷2
10090127.5
n÷3
6726751.6666667
n÷3
5045063.75
n÷5
4036051
n2
407242691865025
n3
8.2182613687226E+21
n4
1.6584661007747E+29
n5
3.3468268822489E+36
2 √n
4492.2438713854
3 √n
272.25480286308
4 √n
67.024203623657
5 √n
28.905822396012
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20180254
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20180255 can be divided by 4 positive divisors.
The sum of these divisors (counting 20180255) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111110110100011111
3
Ternary
1101222021002212
4
Quaternary
1030332310133
5
Quinary
20131232010
6
Senary
2000311035
8
Octal
114766437
10
Decimal
20180255
12
Duodecimal
691247b
16
Hexadecimal
133ed1f
20
Vigesimal
662acf
36
Base36
c0j6n
md5
e10d8c23c2ba864dc3a5e64e38c03c57
sha1
e60472315d997599b0ac6a27869f6b2e7281a34c
sha256
bbbef7992cb7f9b7a5236dcabb5690de2e4e8d6da55061235c8a1fbfa8a0bf48
sha512
e60991e48f7f94171a89228a067f5c0fbec19ecb97f279e26edf5ed489334c73248d0c43ed84d55b49d67041a61566f818b6b858e35a569d00a66e36f9cbdaf3
ripemd-160
15762fae74ad5c114f7a530be7424db69ff8cf52
Diameter
40360510
Circumference
126796281.71114
Area
1.2793906489913E+15
Volume
3.442457272168E+22
Surface area
5.1175625959652E+15
Circumference
126796281.71114
Perimeter
80721020
Area
407242691865025
Diagonal
28539190.313147
Surface area
2443456151190150
Volume
8.2182613687226E+21
Space diagonal
34953226.969696
Perimeter
60540765
Area
1.7634125833034E+14
Altitude
17476613.484848
Surface area
1.7634125833034E+14
Volume
9.6853139056453E+20
Height
9513063.4377158