2840 is an even 4-digits composite number following 2839
and preceding 2841 . In scientific notation, it is written as 2.840 × 10^3.
The sum of its digits is 14. It has a total of 5 prime factors and 16 positive divisors.
There are 1120 positive integers (up to 2840) that are relatively prime to 2840.
2840 has 16 divisors, whose sum is 6480
The reverse of 2840 is 0482
Previous prime number is 5
Is Prime? no
Number parity even
Number length 4
Sum of Digits 14
Digital Root 5
Name
two thousand eight hundred forty
Scientific notation
2.840 × 10^3
Engineering notation
2.840 × 10^3
Prime Factorization
2 × 2 × 2 × 5 × 71
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
710
Product of the distinct prime numbers
The prime factorization of 2840 is 2 × 2 × 2 × 5 × 71.
Since it has a total of 5 prime factors.
4 , 7 , 100 , 14 , 271 , 855 , 8507 , 9224 , 93601 , 42200 , 118018 , 479930 , 6851834 , 4042165 , 49166964 , 36171845 , 717052681 , 447052709 , 7102444547 , 3844823382
n×2
5680
n×3
8520
n×4
11360
n×5
14200
n÷2
1420
n÷3
946.66666666667
n÷3
710
n÷5
568
n2
8065600
n3
22906304000
n4
65053903360000
n5
184753085542400000
2 √n
53.291650377897
3 √n
14.16139750217
4 √n
7.3001130387068
5 √n
4.9052784805184
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 71 , 142 , 284 , 355 , 568 , 710 , 1420 , 2840
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
-2839
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 2840 can be divided by 16 positive divisors.
The sum of these divisors (counting 2840) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101100011000
3
Ternary
10220012
4
Quaternary
230120
5
Quinary
42330
6
Senary
21052
8
Octal
5430
10
Decimal
2840
12
Duodecimal
1788
16
Hexadecimal
b18
20
Vigesimal
720
36
Base36
26w
md5
a78482ce76496fcf49085f2190e675b4
sha1
46d3e59de07a6aac6b2078c35aa4c16a03d10df3
sha256
8a15fadc48d9f05e22123427d4564f5ca35293abfc1a5afdbcdfd8cb50353ad2
sha512
9e7e28af444d9913f43e42fb2b9725c822155fc7a453cdbd0a819b10b3a8d73b1c63aeb4023c019b26a894aa7e438f2a3159b9da9d572040b315a14a0ae37752
ripemd-160
41b40f9af05de9c6e7f35b64c858d1b164b75eb8
Diameter
5680
Circumference
17844.24627239
Area
25338829.706794
Volume
95949701823.059
Surface area
101355318.82718
Circumference
17844.24627239
Perimeter
11360
Area
8065600
Diagonal
4016.3665171396
Surface area
48393600
Volume
22906304000
Space diagonal
4919.0242934956
Perimeter
8520
Area
3492507.2483819
Altitude
2459.5121467478
Surface area
3492507.2483819
Volume
2699533815.0534
Height
1338.7888390465