9805 is an odd 4-digits composite number following 9804
and preceding 9806 . In scientific notation, it is written as 9.805 × 10^3.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 7488 positive integers (up to 9805) that are relatively prime to 9805.
9805 has 8 divisors, whose sum is 12312
The reverse of 9805 is 5089
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 22
Digital Root 4
Name
nine thousand eight hundred five
Scientific notation
9.805 × 10^3
Engineering notation
9.805 × 10^3
Prime Factorization
5 × 53 × 37
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9805
Product of the distinct prime numbers
The prime factorization of 9805 is 5 × 53 × 37.
Since it has a total of 3 prime factors.
8 , 1 , 34 , 67 , 88 , 673 , 9108 , 281 , 6473 , 70610 , 991230 , 175421 , 345108 , 4972811 , 45311882 , 60006522 , 920365678 , 233052233 , 9566505017 , 4426423834
n×2
19610
n×3
29415
n×4
39220
n×5
49025
n÷2
4902.5
n÷3
3268.3333333333
n÷3
2451.25
n÷5
1961
n2
96138025
n3
942633335125
n4
9242519850900625
n5
9.0622907138081E+19
2 √n
99.020199959402
3 √n
21.403388405728
4 √n
9.9508894054452
5 √n
6.2847718943627
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
-9804
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 9805 can be divided by 8 positive divisors.
The sum of these divisors (counting 9805) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011001001101
3
Ternary
111110011
4
Quaternary
2121031
5
Quinary
303210
6
Senary
113221
8
Octal
23115
10
Decimal
9805
12
Duodecimal
5811
16
Hexadecimal
264d
20
Vigesimal
14a5
36
Base36
7kd
md5
f6876a9f998f6472cc26708e27444456
sha1
f26584ac447dfb264e44db699d42f44114e5978a
sha256
4c9dc211c8fdd6b61a4ea8a0c3b23cde44be3251dce3924434cebefe31622636
sha512
4ad45c232897add0e459094ed4c50c6994d17f749dea4810462fb10f365e104d61d04e2b19c2c12216a5831f2bf5a0f4f51797ea7f31445d4a6e3bb2d26b0c01
ripemd-160
2cdc90807ae648959913ad1528a2f74567b70bf6
Diameter
19610
Circumference
61606.631936896
Area
302026513.07063
Volume
3948493280876.7
Surface area
1208106052.2825
Circumference
61606.631936896
Perimeter
39220
Area
96138025
Diagonal
13866.363979068
Surface area
576828150
Volume
942633335125
Space diagonal
16982.758168213
Perimeter
29415
Area
41628985.959832
Altitude
8491.3790841064
Surface area
41628985.959832
Volume
111090403906.56
Height
4622.1213263561