12105 is an odd 5-digits composite number following 12104
and preceding 12106 . In scientific notation, it is written as 1.2105 × 10^4.
The sum of its digits is 9. It has a total of 3 prime factors and 8 positive divisors.
There are 6432 positive integers (up to 12105) that are relatively prime to 12105.
12105 has 8 divisors, whose sum is 16200
The reverse of 12105 is 50121
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 9
Digital Root 9
Name
twelve thousand one hundred five
Scientific notation
1.2105 × 10^4
Engineering notation
1.2105 × 10^3
Prime Factorization
5 × 9 × 269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12105
Product of the distinct prime numbers
The prime factorization of 12105 is 5 × 9 × 269.
Since it has a total of 3 prime factors.
6 , 1 , 87 , 68 , 610 , 437 , 5530 , 5428 , 99152 , 7286 , 325569 , 270651 , 7140376 , 8159981 , 47700560 , 4963849 , 312398733 , 908296765 , 4673145286 , 9114024430
n×2
24210
n×3
36315
n×4
48420
n×5
60525
n÷2
6052.5
n÷3
4035
n÷3
3026.25
n÷5
2421
n2
146531025
n3
1773758057625
n4
21471341287550625
n5
2.599105862858E+20
2 √n
110.02272492535
3 √n
22.960866029404
4 √n
10.489171794062
5 √n
6.5553058415329
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
-12104
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 12105 can be divided by 8 positive divisors.
The sum of these divisors (counting 12105) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101001001
3
Ternary
121121100
4
Quaternary
2331021
5
Quinary
341410
6
Senary
132013
8
Octal
27511
10
Decimal
12105
12
Duodecimal
7009
16
Hexadecimal
2f49
20
Vigesimal
1a55
36
Base36
9c9
md5
ca279b8542ab30bd43469423ce703e66
sha1
5f13a90f6960a15497a6648396993208eae4d36b
sha256
e5f4b224566103f2bdf2bc3e56db3d15c5d4af5296b1838ddd78ebd4161ff5a0
sha512
9c555752813131e71370be3f8d6be45b099ee95557a9d914967e2259836f7e41a727f1357fa99ccff28fe126c3237a8c47cf3c61432ebd3dde9f902bed1040d0
ripemd-160
1a2e29a9997857374dde8e7a6040a40bf4abd655
Diameter
24210
Circumference
76057.958143409
Area
460340791.66298
Volume
7429900377440.5
Surface area
1841363166.6519
Circumference
76057.958143409
Perimeter
48420
Area
146531025
Diagonal
17119.055172526
Surface area
879186150
Volume
1773758057625
Space diagonal
20966.475025621
Perimeter
36315
Area
63449795.046286
Altitude
10483.237512811
Surface area
63449795.046286
Volume
209039391788.49
Height
5706.3517241754