12687688 is an even 8-digits composite number following 12687687
and preceding 12687689 . In scientific notation, it is written as 1.2687688 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors.
There are 5855808 positive integers (up to 12687688) that are relatively prime to 12687688.
12687688 has 16 divisors, whose sum is 25619580
The reverse of 12687688 is 88678621
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million six hundred eighty-seven thousand six hundred eighty-eight
Scientific notation
1.2687688 × 10^7
Engineering notation
1.2687688 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 121997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3171922
Product of the distinct prime numbers
The prime factorization of 12687688 is 2 × 2 × 2 × 13 × 121997.
Since it has a total of 5 prime factors.
7 , 3 , 83 , 28 , 501 , 933 , 967 , 3879 , 41149 , 65317 , 413616 , 184563 , 5818308 , 7834230 , 74746606 , 22529895 , 910370262 , 362633154 , 9056761376 , 1628999237
n×2
25375376
n×3
38063064
n×4
50750752
n×5
63438440
n÷2
6343844
n÷3
4229229.3333333
n÷3
3171922
n÷5
2537537.6
n2
160977426785344
n3
2.0424313660953E+21
n4
2.5913731934431E+28
n5
3.2878534569969E+35
2 √n
3561.9781021225
3 √n
233.23523676916
4 √n
59.682309792119
5 √n
26.343683384011
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 121997 , 243994 , 487988 , 975976 , 1585961 , 3171922 , 6343844 , 12687688
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
-12687687
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 12687688 can be divided by 16 positive divisors.
The sum of these divisors (counting 12687688) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011001100101001000
3
Ternary
212212121020101
4
Quaternary
300121211020
5
Quinary
11222001223
6
Senary
1131535144
8
Octal
60314510
10
Decimal
12687688
12
Duodecimal
42ba4b4
16
Hexadecimal
c19948
20
Vigesimal
3j5j48
36
Base36
7jxvs
md5
70765daa5c727986ad6e864d2b4f64b7
sha1
fb449af8c7ee74db3f88ed2733d77fed53cd5570
sha256
e3cf27fe3390d77616ce6a9749abf207790f0635135955765532ff094f9a98e9
sha512
6fac70931ccbb9b29190142cd9f9e2900a5efb7d6b70a4fd9d4f03c79e3c154012465d330aafd827ffcd138a43ccd7e21c8545d3770d14a5ea1189301253c86e
ripemd-160
7688cff2cb29ce4de23eec52e15def6d16e162c0
Diameter
25375376
Circumference
79719094.823679
Area
5.0572550138263E+14
Volume
8.5553165002484E+21
Surface area
2.0229020055305E+15
Circumference
79719094.823679
Perimeter
50750752
Area
160977426785344
Diagonal
17943100.444758
Surface area
965864560712064
Volume
2.0424313660953E+21
Space diagonal
21975720.246582
Perimeter
38063064
Area
69705270515979
Altitude
10987860.123291
Surface area
69705270515979
Volume
2.4070284484568E+20
Height
5981033.4815861