12806875 is an odd 8-digits composite number following 12806874
and preceding 12806876 . In scientific notation, it is written as 1.2806875 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 20 positive divisors.
There are 9900000 positive integers (up to 12806875) that are relatively prime to 12806875.
12806875 has 20 divisors, whose sum is 16544704
The reverse of 12806875 is 57860821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million eight hundred six thousand eight hundred seventy-five
Scientific notation
1.2806875 × 10^7
Engineering notation
1.2806875 × 10^6
Prime Factorization
5 × 25 × 5 × 31 × 661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2561375
Product of the distinct prime numbers
The prime factorization of 12806875 is 5 × 25 × 5 × 31 × 661.
Since it has a total of 5 prime factors.
5 , 6 , 58 , 89 , 875 , 771 , 3723 , 157 , 80873 , 37296 , 709927 , 415703 , 3506030 , 37552 , 90300920 , 10629172 , 17598416 , 597352384 , 4609307259 , 58068510
n×2
25613750
n×3
38420625
n×4
51227500
n×5
64034375
n÷2
6403437.5
n÷3
4268958.3333333
n÷3
3201718.75
n÷5
2561375
n2
164016047265625
n3
2.100533015325E+21
n4
2.690126376064E+28
n5
3.4452112232454E+35
2 √n
3578.6694454783
3 √n
233.96329202353
4 √n
59.821981290144
5 √n
26.392992486875
1 , 5 , 25 , 31 , 125 , 155 , 625 , 661 , 775 , 3305 , 3875 , 16525 , 19375 , 20491 , 82625 , 102455 , 413125 , 512275 , 2561375 , 12806875
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12806874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12806875 can be divided by 20 positive divisors.
The sum of these divisors (counting 12806875) is 1, the average is 0.05.
Base
System
Value
2
Binary
110000110110101011011011
3
Ternary
220002122201201
4
Quaternary
300312223123
5
Quinary
11234310000
6
Senary
1134255031
8
Octal
60665333
10
Decimal
12806875
12
Duodecimal
4357477
16
Hexadecimal
c36adb
20
Vigesimal
400h3f
36
Base36
7mhuj
md5
e66a0a9b61f33f855b7317347f8ef26c
sha1
9366727bfaa47527eb3eeaaf8f80bfda98cc989e
sha256
28673c86637c3deccd832299c7a1fd34af6d25f6fbb5d30ff9822eb38d9f44b2
sha512
0ab086714f5e315414691ef8ef6f70bebbb4046a0e849d2f3973ba5a7bac7ddee1450f706749709cb0c1ffb19ee63dabe48e44e3461e6613acaaae858814b2d7
ripemd-160
c2f8e81e4d1b0677224059c8613b8a66b530a72d
Diameter
25613750
Circumference
80467968.830886
Area
5.1527160916052E+14
Volume
8.7986921194236E+21
Surface area
2.0610864366421E+15
Circumference
80467968.830886
Perimeter
51227500
Area
164016047265625
Diagonal
18111656.316617
Surface area
984096283593750
Volume
2.100533015325E+21
Space diagonal
22182158.186184
Perimeter
38420625
Area
71021031780170
Altitude
11091079.093092
Surface area
71021031780170
Volume
2.4755018987375E+20
Height
6037218.7722056