2540 is an even 4-digits composite number following 2539
and preceding 2541 . In scientific notation, it is written as 2.540 × 10^3.
The sum of its digits is 11. It has a total of 4 prime factors and 12 positive divisors.
There are 1008 positive integers (up to 2540) that are relatively prime to 2540.
2540 has 12 divisors, whose sum is 5376
The reverse of 2540 is 0452
Previous prime number is 5
Is Prime? no
Number parity even
Number length 4
Sum of Digits 11
Digital Root 2
Name
two thousand five hundred forty
Scientific notation
2.540 × 10^3
Engineering notation
2.540 × 10^3
Prime Factorization
2 × 2 × 5 × 127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1270
Product of the distinct prime numbers
The prime factorization of 2540 is 2 × 2 × 5 × 127.
Since it has a total of 4 prime factors.
4 , 3 , 46 , 33 , 906 , 707 , 5742 , 7625 , 26819 , 34037 , 708440 , 331852 , 2408023 , 7382574 , 77331461 , 71153161 , 427083447 , 579477941 , 5351323648 , 7908972967
n×2
5080
n×3
7620
n×4
10160
n×5
12700
n÷2
1270
n÷3
846.66666666667
n÷3
635
n÷5
508
n2
6451600
n3
16387064000
n4
41623142560000
n5
105722782102400000
2 √n
50.398412673417
3 √n
13.644089897626
4 √n
7.099183944188
5 √n
4.7969671381805
1 , 2 , 4 , 5 , 10 , 20 , 127 , 254 , 508 , 635 , 1270 , 2540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2540 can be divided by 12 positive divisors.
The sum of these divisors (counting 2540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111101100
3
Ternary
10111002
4
Quaternary
213230
5
Quinary
40130
6
Senary
15432
8
Octal
4754
10
Decimal
2540
12
Duodecimal
1578
16
Hexadecimal
9ec
20
Vigesimal
670
36
Base36
1yk
md5
9657c1fffd38824e5ab0472e022e577e
sha1
3e69ce004305587332a4fe77606136baec1c19da
sha256
13990937ab8ca4413751a9012a31255e72a18ba3ac8d5c83dd511df50cf2a3e1
sha512
ff7fb3b68973eccc8009754abf846b27297a9fa557332804ef3753d628e9cddf6428ccee5c5e00cfb19e8b72b5fb2b4f450fe7f0ef95a7bf70db0962b8d2cead
ripemd-160
c8503d576de1a0143584117357395843af3ccf25
Diameter
5080
Circumference
15959.290680236
Area
20268299.1639
Volume
68641973168.408
Surface area
81073196.6556
Circumference
15959.290680236
Perimeter
10160
Area
6451600
Diagonal
3592.1024484277
Surface area
38709600
Volume
16387064000
Space diagonal
4399.4090512249
Perimeter
7620
Area
2793624.7475278
Altitude
2199.7045256125
Surface area
2793624.7475278
Volume
1931234013.023
Height
1197.3674828092