1105 is an odd 4-digits composite number following 1104
and preceding 1106 . In scientific notation, it is written as 1.105 × 10^3.
The sum of its digits is 7. It has a total of 2 prime factors and 4 positive divisors.
There are 768 positive integers (up to 1105) that are relatively prime to 1105.
1105 has 4 divisors, whose sum is 1188
The reverse of 1105 is 5011
Previous prime number is 65
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 7
Digital Root 7
Name
one thousand one hundred five
Scientific notation
1.105 × 10^3
Engineering notation
1.105 × 10^3
Prime Factorization
65 × 17
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1105
Product of the distinct prime numbers
The prime factorization of 1105 is 65 × 17.
Since it has a total of 2 prime factors.
10 , 1 , 41 , 51 , 297 , 197 , 8108 , 744 , 17172 , 39847 , 567399 , 329830 , 5592290 , 6496227 , 68954208 , 93100986 , 916971043 , 412349012 , 6404602008 , 25848128
n×2
2210
n×3
3315
n×4
4420
n×5
5525
n÷2
552.5
n÷3
368.33333333333
n÷3
276.25
n÷5
221
n2
1221025
n3
1349232625
n4
1490902050625
n5
1647446765940625
2 √n
33.241540277189
3 √n
10.338418124145
4 √n
5.7655476996717
5 √n
4.0613690564327
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
-1104
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 1105 can be divided by 4 positive divisors.
The sum of these divisors (counting 1105) is 1, the average is 0.25.
Base
System
Value
2
Binary
10001010001
3
Ternary
1111221
4
Quaternary
101101
5
Quinary
13410
6
Senary
5041
8
Octal
2121
10
Decimal
1105
12
Duodecimal
781
16
Hexadecimal
451
20
Vigesimal
2f5
36
Base36
up
md5
af21d0c97db2e27e13572cbf59eb343d
sha1
7cb3f42379df52fb7c22a44c27399c3177bd99d2
sha256
47c5fbf51c636da0b48309ad799e2e4d0443b9c25b055c6b762d6b6f6d95fc52
sha512
1403bc6f54e7e8e47fbdbda3b49137932143eb9d4219de88911d479256384a6f910e16d47909a7e15eff02d36fdd5b40af53b7e12849e3668dbee94fc17e16e0
ripemd-160
c4bc3888b207c6a50051118771ef9bcc89344d9e
Diameter
2210
Circumference
6942.9197644334
Area
3835963.1698495
Volume
5651652403.5782
Surface area
15343852.679398
Circumference
6942.9197644334
Perimeter
4420
Area
1221025
Diagonal
1562.7059864223
Surface area
7326150
Volume
1349232625
Space diagonal
1913.9161423636
Perimeter
3315
Area
528719.33432795
Altitude
956.9580711818
Surface area
528719.33432795
Volume
159008589.75594
Height
520.90199547409