2561256 is an even 7-digits composite number following 2561255
and preceding 2561257 . In scientific notation, it is written as 2.561256 × 10^6.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 853728 positive integers (up to 2561256) that are relatively prime to 2561256.
2561256 has 16 divisors, whose sum is 5336100
The reverse of 2561256 is 6521652
Previous prime number is 9
Is Prime? no
Number parity even
Number length 7
Sum of Digits 27
Digital Root 9
Name
two million five hundred sixty-one thousand two hundred fifty-six
Scientific notation
2.561256 × 10^6
Engineering notation
2.561256 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 35573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
640314
Product of the distinct prime numbers
The prime factorization of 2561256 is 2 × 2 × 2 × 9 × 35573.
Since it has a total of 5 prime factors.
7 , 6 , 59 , 74 , 491 , 519 , 7581 , 2957 , 80618 , 90538 , 850325 , 554193 , 826089 , 5222577 , 31453727 , 83886414 , 491175824 , 587612385 , 8952185724 , 3687352590
n×2
5122512
n×3
7683768
n×4
10245024
n×5
12806280
n÷2
1280628
n÷3
853752
n÷3
640314
n÷5
512251.2
n2
6560032297536
n3
1.6801922082258E+19
n4
4.3034023744715E+25
n5
1.1022115152029E+32
2 √n
1600.3924518692
3 √n
136.82044426165
4 √n
40.004905347585
5 √n
19.12892646936
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 35573 , 71146 , 142292 , 284584 , 320157 , 640314 , 1280628 , 2561256
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
-2561255
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 2561256 can be divided by 16 positive divisors.
The sum of these divisors (counting 2561256) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001010011101000
3
Ternary
11211010101100
4
Quaternary
21301103220
5
Quinary
1123430011
6
Senary
130521400
8
Octal
11612350
10
Decimal
2561256
12
Duodecimal
a36260
16
Hexadecimal
2714e8
20
Vigesimal
g032g
36
Base36
1iwa0
md5
c087db66b1481f88e7be581c2d6b5421
sha1
eb6c97f84022772d8acaf4ca9a6a31b2c675dcc0
sha256
210d8b4eebfc66401a18512fdb7c5b9e29439bd0f3608507768350e206ba69fd
sha512
f0e7cb39ad2c084aeeb74954e3fa5ad2fe1dcd145406ac6f796fca2eeafe1c7972e0d81808c2c56fc51ac1341e5a6e445c2b55dae629bf1bebc3cbd8a6370eda
ripemd-160
c1e1abacc9afea102a9948a3d4ab6e6e15066d9b
Diameter
5122512
Circumference
16092846.067126
Area
20608949273251
Volume
7.0379726639746E+19
Surface area
82435797093003
Circumference
16092846.067126
Perimeter
10245024
Area
6560032297536
Diagonal
3622162.9719095
Surface area
39360193785216
Volume
1.6801922082258E+19
Space diagonal
4436225.5231906
Perimeter
7683768
Area
2840577309656.3
Altitude
2218112.7615953
Surface area
2840577309656.3
Volume
1.9801255068888E+18
Height
1207387.6573032