2561291268 is an even 10-digits composite number following 2561291267
and preceding 2561291269 . In scientific notation, it is written as 2.561291268 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 853763752 positive integers (up to 2561291268) that are relatively prime to 2561291268.
2561291268 has 12 divisors, whose sum is 5976346320
The reverse of 2561291268 is 8621921652
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 42
Digital Root 6
Name
two billion five hundred sixty-one million two hundred ninety-one thousand two hundred sixty-eight
Scientific notation
2.561291268 × 10^9
Engineering notation
2.561291268 × 10^9
Prime Factorization
2 × 2 × 3 × 213440939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1280645634
Product of the distinct prime numbers
The prime factorization of 2561291268 is 2 × 2 × 3 × 213440939.
Since it has a total of 4 prime factors.
3 , 4 , 78 , 100 , 832 , 544 , 9365 , 271 , 93432 , 33378 , 400919 , 556615 , 2757153 , 9362526 , 67438335 , 62528645 , 132355587 , 869836356 , 8201220556 , 2156784599
n×2
5122582536
n×3
7683873804
n×4
10245165072
n×5
12806456340
n÷2
1280645634
n÷3
853763756
n÷3
640322817
n÷5
512258253.6
n2
6560212959533047824
n3
1.6802616169472E+28
n4
4.3036394074425E+37
n5
1.1022874034903E+47
2 √n
50609.201416343
3 √n
1368.2107225579
4 √n
224.96488929685
5 √n
76.153837647419
1 , 2 , 3 , 4 , 6 , 12 , 213440939 , 426881878 , 640322817 , 853763756 , 1280645634 , 2561291268
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
-2561291267
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 2561291268 can be divided by 12 positive divisors.
The sum of these divisors (counting 2561291268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10011000101010100011010000000100
3
Ternary
20121111112002002120
4
Quaternary
2120222203100010
5
Quinary
20221142310033
6
Senary
1102053205540
8
Octal
23052432004
10
Decimal
2561291268
12
Duodecimal
5b59308b0
16
Hexadecimal
98aa3404
20
Vigesimal
20081838
36
Base36
16cxczo
md5
3b90c67a419cd909c3404b593fc615d0
sha1
f73ff58e47ca16fa66540cff49ed7f2f13d3ac83
sha256
f04b9dd7720aedf967e4b8abd1a7f2d9ba85d7038c1a6a39afa278494bbc7797
sha512
098e8cf997afa30bfa6db3d81dcfc71549db482fb2f5007e5d7c49d0a2a31b9a495d038063d7588590a9211ef46adbfb568f26d0923493edf73a2e1253c0e13a
ripemd-160
5953be0d54daa3a4e2cec612be28ed6085261e3c
Diameter
5122582536
Circumference
16093067662.505
Area
2.0609516839654E+19
Volume
7.0382634025472E+28
Surface area
8.2438067358614E+19
Circumference
16093067662.505
Perimeter
10245165072
Area
6560212959533047824
Diagonal
3622212848.3934
Surface area
3.9361277757198E+19
Volume
1.6802616169472E+28
Space diagonal
4436286609.1585
Perimeter
7683873804
Area
2.8406555385958E+18
Altitude
2218143304.5793
Surface area
2.8406555385958E+18
Volume
1.9802073058514E+27
Height
1207404282.7978