20165 is an odd 5-digits composite number following 20164
and preceding 20166 . In scientific notation, it is written as 2.0165 × 10^4.
The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors.
There are 15552 positive integers (up to 20165) that are relatively prime to 20165.
20165 has 8 divisors, whose sum is 25080
The reverse of 20165 is 56102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 14
Digital Root 5
Name
twenty thousand one hundred sixty-five
Scientific notation
2.0165 × 10^4
Engineering notation
2.0165 × 10^3
Prime Factorization
5 × 37 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20165
Product of the distinct prime numbers
The prime factorization of 20165 is 5 × 37 × 109.
Since it has a total of 3 prime factors.
3 , 9 , 64 , 4 , 629 , 290 , 3528 , 3587 , 30180 , 62773 , 75303 , 369160 , 1808521 , 4232102 , 67705810 , 29178272 , 294656491 , 206589679 , 99515690 , 9911969080
n×2
40330
n×3
60495
n×4
80660
n×5
100825
n÷2
10082.5
n÷3
6721.6666666667
n÷3
5041.25
n÷5
4033
n2
406627225
n3
8199637992125
n4
165345700111200625
n5
3.3341960427424E+21
2 √n
142.00352108311
3 √n
27.218618308286
4 √n
11.916523028262
5 √n
7.2597162312019
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
-20164
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 20165 can be divided by 8 positive divisors.
The sum of these divisors (counting 20165) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011000101
3
Ternary
1000122212
4
Quaternary
10323011
5
Quinary
1121130
6
Senary
233205
8
Octal
47305
10
Decimal
20165
12
Duodecimal
b805
16
Hexadecimal
4ec5
20
Vigesimal
2a85
36
Base36
fk5
md5
5af2de2fbcd7535745699d05f0481ca4
sha1
9a51960a1922ca077aebaac423fe805402aa9db3
sha256
f88d5c7169a888ab528f79650cd148792057356724bb07a73f0fc76d50860c31
sha512
8472fb83b7261d08ee840d554e59f5365561f9acd8e26bdb403fb741bb95d980f0673b99357654b0b391ded39fce7d285f9b31efd1133c121c9ece64b6046ce8
ripemd-160
2f05985e7c02dc4e467f413f8554a4d36442503f
Diameter
40330
Circumference
126700.43171928
Area
1277457102.8096
Volume
34346563304208
Surface area
5109828411.2384
Circumference
126700.43171928
Perimeter
80660
Area
406627225
Diagonal
28517.616485253
Surface area
2439763350
Volume
8199637992125
Space diagonal
34926.804534626
Perimeter
60495
Area
176074753.36019
Altitude
17463.402267313
Surface area
176074753.36019
Volume
966336604584.41
Height
9505.8721617512