2165 is an odd 4-digits composite number following 2164
and preceding 2166 . In scientific notation, it is written as 2.165 × 10^3.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 1728 positive integers (up to 2165) that are relatively prime to 2165.
2165 has 4 divisors, whose sum is 2604
The reverse of 2165 is 5612
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 14
Digital Root 5
Name
two thousand one hundred sixty-five
Scientific notation
2.165 × 10^3
Engineering notation
2.165 × 10^3
Prime Factorization
5 × 433
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2165
Product of the distinct prime numbers
The prime factorization of 2165 is 5 × 433.
Since it has a total of 2 prime factors.
8 , 10 , 1 , 52 , 377 , 583 , 5451 , 1271 , 26772 , 21501 , 760825 , 286961 , 537583 , 4531410 , 11516902 , 4209341 , 112936562 , 291921795 , 5857115664 , 6459830424
n×2
4330
n×3
6495
n×4
8660
n×5
10825
n÷2
1082.5
n÷3
721.66666666667
n÷3
541.25
n÷5
433
n2
4687225
n3
10147842125
n4
21970078200625
n5
47565219304353125
2 √n
46.529560496527
3 √n
12.936574688581
4 √n
6.8212579848975
5 √n
4.6461323837979
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
-2164
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 2165 can be divided by 4 positive divisors.
The sum of these divisors (counting 2165) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001110101
3
Ternary
2222012
4
Quaternary
201311
5
Quinary
32130
6
Senary
14005
8
Octal
4165
10
Decimal
2165
12
Duodecimal
1305
16
Hexadecimal
875
20
Vigesimal
585
36
Base36
1o5
md5
8929c70f8d710e412d38da624b21c3c8
sha1
ae46f54463e402e22467f5b8bf2ec3993015418a
sha256
ace0a2197f2949398bf3d2cbb4dfebf502be41a07ad2ab25ae63c3e413602c98
sha512
d0a8354139c316c0487eed39857e4b02dec1a84b092acd2ec7ff68243574e9da2078619ac5473f902d9609f189f601717463ecd1fa2d939700812d23e85e4978
ripemd-160
e773df73c37dc3ff75e69e2c6da4c8da51abe7d1
Diameter
4330
Circumference
13603.096190044
Area
14725351.625722
Volume
42507181692.919
Surface area
58901406.50289
Circumference
13603.096190044
Perimeter
8660
Area
4687225
Diagonal
3061.7723625378
Surface area
28123350
Volume
10147842125
Space diagonal
3749.8899983866
Perimeter
6495
Area
2029627.9616268
Altitude
1874.9449991933
Surface area
2029627.9616268
Volume
1195934663.4997
Height
1020.5907875126