2561291261 is an odd 10-digits prime number following 2561291260
and preceding 2561291262 . In scientific notation, it is written as 2.561291261 × 10^9.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 2561291260 positive integers (up to 2561291261) that are relatively prime to 2561291261.
2561291261 has 2 divisors, whose sum is 2561291262
The reverse of 2561291261 is 1621921652
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
two billion five hundred sixty-one million two hundred ninety-one thousand two hundred sixty-one
Scientific notation
2.561291261 × 10^9
Engineering notation
2.561291261 × 10^9
Prime Factorization
2561291261
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2561291261
Product of the distinct prime numbers
The prime factorization of 2561291261 is 2561291261.
Since it has a total of 1 prime factors.
7 , 10 , 64 , 41 , 861 , 79 , 6209 , 7694 , 65937 , 33490 , 157655 , 567036 , 3346774 , 3098988 , 16300652 , 28174058 , 261778609 , 161450631 , 206186334 , 3199782514
n×2
5122582522
n×3
7683873783
n×4
10245165044
n×5
12806456305
n÷2
1280645630.5
n÷3
853763753.66667
n÷3
640322815.25
n÷5
512258252.2
n2
6560212923674970121
n3
1.6802616031708E+28
n4
4.3036393603952E+37
n5
1.1022873884276E+47
2 √n
50609.201347186
3 √n
1368.2107213115
4 √n
224.96488914314
5 √n
76.153837605793
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2561291262
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1280645631
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
50609.201357065
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999992191
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2561291261 can be divided by 2 positive divisors.
The sum of these divisors (counting 2561291261) is 2561291262, the average is 1280645631.
Base
System
Value
2
Binary
10011000101010100011001111111101
3
Ternary
20121111112002002022
4
Quaternary
2120222203033331
5
Quinary
20221142310021
6
Senary
1102053205525
8
Octal
23052431775
10
Decimal
2561291261
12
Duodecimal
5b59308a5
16
Hexadecimal
98aa33fd
20
Vigesimal
20081831
36
Base36
16cxczh
md5
8701c61c453c6fcfd741b8efa3322247
sha1
c7d9c2e24b7fab838323102f5b4f1d52c47e6591
sha256
306c8f9b628425e50f520f4e0caf2e51e568146f3c1aa606686f87caa5c1bb2a
sha512
5039a4196a81809e2af422fda826c9b0b9fb0a3485c8849670fd0637ef9303460d827dc022b99eec86af51736374cec300a8e441b6658a232d14b9f542a7a2d6
ripemd-160
a84fbe2d980fedd2d313195f6abd7b3481b4df16
Diameter
5122582522
Circumference
16093067618.523
Area
2.0609516727002E+19
Volume
7.0382633448405E+28
Surface area
8.2438066908008E+19
Circumference
16093067618.523
Perimeter
10245165044
Area
6560212923674970121
Diagonal
3622212838.4939
Surface area
3.936127754205E+19
Volume
1.6802616031708E+28
Space diagonal
4436286597.0342
Perimeter
7683873783
Area
2.8406555230688E+18
Altitude
2218143298.5171
Surface area
2.8406555230688E+18
Volume
1.9802072896157E+27
Height
1207404279.498