12857 is an odd 5-digits composite number following 12856
and preceding 12858 . In scientific notation, it is written as 1.2857 × 10^4.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 11088 positive integers (up to 12857) that are relatively prime to 12857.
12857 has 8 divisors, whose sum is 14784
The reverse of 12857 is 75821
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 23
Digital Root 5
Name
twelve thousand eight hundred fifty-seven
Scientific notation
1.2857 × 10^4
Engineering notation
1.2857 × 10^3
Prime Factorization
23 × 43 × 13
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12857
Product of the distinct prime numbers
The prime factorization of 12857 is 23 × 43 × 13.
Since it has a total of 3 prime factors.
7 , 4 , 22 , 20 , 917 , 607 , 3601 , 4004 , 83072 , 34589 , 897544 , 622816 , 9796367 , 6125584 , 35977823 , 60964602 , 929229070 , 965217061 , 6761746558 , 4151477389
n×2
25714
n×3
38571
n×4
51428
n×5
64285
n÷2
6428.5
n÷3
4285.6666666667
n÷3
3214.25
n÷5
2571.4
n2
165302449
n3
2125293586793
n4
27324899645397601
n5
3.5131623474088E+20
2 √n
113.38871196023
3 √n
23.426813201955
4 √n
10.648413588898
5 √n
6.6348014176386
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
-12856
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 12857 can be divided by 8 positive divisors.
The sum of these divisors (counting 12857) is 1, the average is 0.125.
Base
System
Value
2
Binary
11001000111001
3
Ternary
122122012
4
Quaternary
3020321
5
Quinary
402412
6
Senary
135305
8
Octal
31071
10
Decimal
12857
12
Duodecimal
7535
16
Hexadecimal
3239
20
Vigesimal
1c2h
36
Base36
9x5
md5
d17367b08356ccbdba2a5485b374c341
sha1
64a83660834df20d83c9d68b3fcd6ebe3b4bb4b0
sha256
a4dd891791c494a1a2d986ba4f0585d1e26abde2a18e46d4946f697e69d2e9b6
sha512
a2199e73a832c055bb3d95e71671e69f9e384579e46de68822490b6fee70b6b8c52cd6dc000a1f2b78487ea7122f717932c4be3fb72ca6c5569bb20bbe1f3573
ripemd-160
762ca8e118df1367c0ebf37bfa475c37feb90953
Diameter
25714
Circumference
80782.913494408
Area
519312959.3988
Volume
8902408958653.9
Surface area
2077251837.5952
Circumference
80782.913494408
Perimeter
51428
Area
165302449
Diagonal
18182.543771431
Surface area
991814694
Volume
2125293586793
Space diagonal
22268.977232913
Perimeter
38571
Area
71578060.070891
Altitude
11134.488616457
Surface area
71578060.070891
Volume
250468251205.6
Height
6060.8479238103