2871 is an odd 4-digits composite number following 2870
and preceding 2872 . In scientific notation, it is written as 2.871 × 10^3.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 1680 positive integers (up to 2871) that are relatively prime to 2871.
2871 has 4 divisors, whose sum is 3144
The reverse of 2871 is 1782
Previous prime number is 261
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 18
Digital Root 9
Name
two thousand eight hundred seventy-one
Scientific notation
2.871 × 10^3
Engineering notation
2.871 × 10^3
Prime Factorization
261 × 11
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2871
Product of the distinct prime numbers
The prime factorization of 2871 is 261 × 11.
Since it has a total of 2 prime factors.
10 , 10 , 11 , 46 , 691 , 965 , 995 , 3811 , 98810 , 26294 , 481106 , 633416 , 5174518 , 5345763 , 19236239 , 91762481 , 837369003 , 686062809 , 2906796951 , 5551163936
n×2
5742
n×3
8613
n×4
11484
n×5
14355
n÷2
1435.5
n÷3
957
n÷3
717.75
n÷5
574.2
n2
8242641
n3
23664622311
n4
67941130654881
n5
195058986110163351
2 √n
53.581713298475
3 √n
14.212737364429
4 √n
7.3199530940079
5 √n
4.9159407346364
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2871 can be divided by 4 positive divisors.
The sum of these divisors (counting 2871) is 1, the average is 0.25.
Base
System
Value
2
Binary
101100110111
3
Ternary
10221100
4
Quaternary
230313
5
Quinary
42441
6
Senary
21143
8
Octal
5467
10
Decimal
2871
12
Duodecimal
17b3
16
Hexadecimal
b37
20
Vigesimal
73b
36
Base36
27r
md5
2650d6089a6d640c5e85b2b88265dc2b
sha1
8ae2a4724e0f1e18434da9ca3bc4f0c3ae605007
sha256
c60d521c8227d7b795a3522fad5dd2e7ce92a0485924095225df2d1e37412181
sha512
3b9f500caa52ac2e780d9ec0906c950f1b546533fe08f3ff991d28f29864c1f41299556db52671ff58dece02312a0d9c82d21a5dd1fd4e632a689acaba70bb5d
ripemd-160
7a5fc97628df2b90183fa23ca4250bc0e5f66d56
Diameter
5742
Circumference
18039.025016913
Area
25895020.411778
Volume
99126138136.286
Surface area
103580081.64711
Circumference
18039.025016913
Perimeter
11484
Area
8242641
Diagonal
4060.2071375732
Surface area
49455846
Volume
23664622311
Space diagonal
4972.7178685302
Perimeter
8613
Area
3569168.2501376
Altitude
2486.3589342651
Surface area
3569168.2501376
Volume
2788902485.0544
Height
1353.4023791911