6687 is an odd 4-digits composite number following 6686
and preceding 6688 . In scientific notation, it is written as 6.687 × 10^3.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 4452 positive integers (up to 6687) that are relatively prime to 6687.
6687 has 6 divisors, whose sum is 9672
The reverse of 6687 is 7866
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 27
Digital Root 9
Name
six thousand six hundred eighty-seven
Scientific notation
6.687 × 10^3
Engineering notation
6.687 × 10^3
Prime Factorization
3 × 3 × 743
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2229
Product of the distinct prime numbers
The prime factorization of 6687 is 3 × 3 × 743.
Since it has a total of 3 prime factors.
5 , 4 , 19 , 32 , 277 , 198 , 6060 , 7521 , 39902 , 1976 , 445133 , 310835 , 1674331 , 8491173 , 73537222 , 47916706 , 419658650 , 903684915 , 24047954 , 8665020350
n×2
13374
n×3
20061
n×4
26748
n×5
33435
n÷2
3343.5
n÷3
2229
n÷3
1671.75
n÷5
1337.4
n2
44715969
n3
299015684703
n4
1999517883608961
n5
1.3370776087693E+19
2 √n
81.774079022634
3 √n
18.839835556464
4 √n
9.0429021349694
5 √n
5.8216523152288
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6686
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6687 can be divided by 6 positive divisors.
The sum of these divisors (counting 6687) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101000011111
3
Ternary
100011200
4
Quaternary
1220133
5
Quinary
203222
6
Senary
50543
8
Octal
15037
10
Decimal
6687
12
Duodecimal
3a53
16
Hexadecimal
1a1f
20
Vigesimal
ge7
36
Base36
55r
md5
cdf28f8b7d14ab02d12a2329d71e4079
sha1
5ee201b29a1d57f4fb86bc1972597c3edb1a4eff
sha256
953bcc66efc233d1f45d1132c3295a96fb067c7c7587da94422a2a6d877a36e2
sha512
c7328130e1cc1a5265e8673a2193b9ede7931cbcb524052024996875e269316b67277419d71371f1a7dcfae2f2dc78621718f22fe63fa51d653bba72c46ca575
ripemd-160
0a81e4875304e61eaeffeee3912c0c98175bc448
Diameter
13374
Circumference
42015.66014911
Area
140479359.70855
Volume
1252513971161.4
Surface area
561917438.8342
Circumference
42015.66014911
Perimeter
26748
Area
44715969
Diagonal
9456.8460915889
Surface area
268295814
Volume
299015684703
Space diagonal
11582.223750213
Perimeter
20061
Area
19362582.554419
Altitude
5791.1118751065
Surface area
19362582.554419
Volume
35239336389.105
Height
3152.2820305296