2687 is an odd 4-digits prime number following 2686
and preceding 2688 . In scientific notation, it is written as 2.687 × 10^3.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 2686 positive integers (up to 2687) that are relatively prime to 2687.
2687 has 2 divisors, whose sum is 2688
The reverse of 2687 is 7862
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 4
Sum of Digits 23
Digital Root 5
Name
two thousand six hundred eighty-seven
Scientific notation
2.687 × 10^3
Engineering notation
2.687 × 10^3
Prime Factorization
2687
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2687
Product of the distinct prime numbers
The prime factorization of 2687 is 2687.
Since it has a total of 1 prime factors.
8 , 3 , 69 , 84 , 583 , 301 , 7740 , 9739 , 94459 , 63791 , 134598 , 807403 , 4213297 , 1939469 , 12815124 , 20466905 , 820246966 , 609490187 , 5767702946 , 871417866
n×2
5374
n×3
8061
n×4
10748
n×5
13435
n÷2
1343.5
n÷3
895.66666666667
n÷3
671.75
n÷5
537.4
n2
7219969
n3
19400056703
n4
52127952360961
n5
140067807993902207
2 √n
51.836280730778
3 √n
13.902382146119
4 √n
7.1997417127823
5 √n
4.851248632055
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2688
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1344
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
51.845925587263
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999255952381
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2687 can be divided by 2 positive divisors.
The sum of these divisors (counting 2687) is 2688, the average is 1344.
Base
System
Value
2
Binary
101001111111
3
Ternary
10200112
4
Quaternary
221333
5
Quinary
41222
6
Senary
20235
8
Octal
5177
10
Decimal
2687
12
Duodecimal
167b
16
Hexadecimal
a7f
20
Vigesimal
6e7
36
Base36
22n
md5
573eec40e4ef4f2089531dd5cbf629f8
sha1
c2b919de5b0233cfb72ddac091441955334356d9
sha256
34f1a6ce1bbe867e1bb9b2f9574573354c4ef88ae6524aabbc5c9012a934b0c2
sha512
15c06216b7879a1beda97e42d39e5e1faf4946a7ca1ce6464788623e03f9d1c7b507c85b861c021de5872c07b998d360b42f10c6a7fe63ca8a9d1dc5039992f5
ripemd-160
bc6db9385361f520f82bb9e1f4749a4c5c8fc9bb
Diameter
5374
Circumference
16882.918920392
Area
22682201.569546
Volume
81262767489.827
Surface area
90728806.278184
Circumference
16882.918920392
Perimeter
10748
Area
7219969
Diagonal
3799.9918420965
Surface area
43319814
Volume
19400056703
Space diagonal
4654.0205199376
Perimeter
8061
Area
3126338.2842681
Altitude
2327.0102599688
Surface area
3126338.2842681
Volume
2286318608.3491
Height
1266.6639473655