12705 is an odd 5-digits composite number following 12704
and preceding 12706 . In scientific notation, it is written as 1.2705 × 10^4.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 5280 positive integers (up to 12705) that are relatively prime to 12705.
12705 has 16 divisors, whose sum is 19584
The reverse of 12705 is 50721
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 15
Digital Root 6
Name
twelve thousand seven hundred five
Scientific notation
1.2705 × 10^4
Engineering notation
1.2705 × 10^3
Prime Factorization
7 × 33 × 11 × 5
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12705
Product of the distinct prime numbers
The prime factorization of 12705 is 7 × 33 × 11 × 5.
Since it has a total of 4 prime factors.
10 , 2 , 67 , 75 , 948 , 157 , 6951 , 4296 , 17118 , 49874 , 749138 , 820514 , 4136043 , 8657204 , 25700028 , 431811 , 267348675 , 429256427 , 4313100020 , 413254641
n×2
25410
n×3
38115
n×4
50820
n×5
63525
n÷2
6352.5
n÷3
4235
n÷3
3176.25
n÷5
2541
n2
161417025
n3
2050803302625
n4
26055455959850625
n5
3.310345679699E+20
2 √n
112.71645842556
3 √n
23.334126957134
4 √n
10.616800762261
5 √n
6.6190389066895
1 , 5 , 7 , 11 , 33 , 35 , 55 , 77 , 165 , 231 , 363 , 385 , 1155 , 1815 , 2541 , 12705
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12704
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12705 can be divided by 16 positive divisors.
The sum of these divisors (counting 12705) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000110100001
3
Ternary
122102120
4
Quaternary
3012201
5
Quinary
401310
6
Senary
134453
8
Octal
30641
10
Decimal
12705
12
Duodecimal
7429
16
Hexadecimal
31a1
20
Vigesimal
1bf5
36
Base36
9sx
md5
0780e8f5d5df0c219dcafae6e0f35043
sha1
97b1bcc97b2f826208674c2f4032e911e09c778c
sha256
6b1122b060baf5aff4d6ea4b18a4421232e9216ebe91139e51a18d42fba3987e
sha512
d861d5b26fd4edddd72ecb9b6f09eae0a984b146a8fe83b8cef04aa5242f14d743dd32b81fe900674e1e09561f051f94bcc18316cfdfb6411b32103ed05ed38d
ripemd-160
44e5c1bd1d8f51b0d98e35166e527526c37aa092
Diameter
25410
Circumference
79827.869327717
Area
507106539.90432
Volume
8590384785979.2
Surface area
2028426159.6173
Circumference
79827.869327717
Perimeter
50820
Area
161417025
Diagonal
17967.58330995
Surface area
968502150
Volume
2050803302625
Space diagonal
22005.705510163
Perimeter
38115
Area
69895622.126654
Altitude
11002.852755081
Surface area
69895622.126654
Volume
241689487027.65
Height
5989.1944366501