261720488 is an even 9-digits composite number following 261720487
and preceding 261720489 . In scientific notation, it is written as 2.61720488 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors.
There are 130860240 positive integers (up to 261720488) that are relatively prime to 261720488.
261720488 has 8 divisors, whose sum is 490725930
The reverse of 261720488 is 884027162
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred sixty-one million seven hundred twenty thousand four hundred eighty-eight
Scientific notation
2.61720488 × 10^8
Engineering notation
2.61720488 × 10^6
Prime Factorization
2 × 2 × 2 × 32715061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65430122
Product of the distinct prime numbers
The prime factorization of 261720488 is 2 × 2 × 2 × 32715061.
Since it has a total of 4 prime factors.
7 , 4 , 47 , 53 , 794 , 33 , 4775 , 2908 , 93847 , 50274 , 235465 , 880536 , 8816622 , 4050308 , 88752145 , 74823492 , 806167867 , 291675511 , 3784279202 , 2114068307
n×2
523440976
n×3
785161464
n×4
1046881952
n×5
1308602440
n÷2
130860244
n÷3
87240162.666667
n÷3
65430122
n÷5
52344097.6
n2
68497613838958144
n3
1.7927228920768E+25
n4
4.691923101631E+33
n5
1.2279724038173E+42
2 √n
16177.77759768
3 √n
639.65515928058
4 √n
127.19189281428
5 √n
48.257802787352
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261720487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261720488 can be divided by 8 positive divisors.
The sum of these divisors (counting 261720488) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100110011000100110101000
3
Ternary
200020110210000102
4
Quaternary
33212120212220
5
Quinary
1014000023423
6
Senary
41545324532
8
Octal
1746304650
10
Decimal
261720488
12
Duodecimal
73796748
16
Hexadecimal
f9989a8
20
Vigesimal
41ff148
36
Base36
4btktk
md5
dc223f6dde081ae577a10523349b5700
sha1
76c19ac9a8b92c39268f651f1735505a12b1085e
sha256
23ef657479de76f50bb4dd1b92bbacaebe674be65b158c7ce40ea6c76500f18d
sha512
1cb0ec11cc227d9a13192846fa0fcf1d66e32fa284c54e9d6482b60ee2e21f3ed60a0e89ce3f473cbddc579e80eae288a0e4a3632bed9c3ea00e4a882b1628fe
ripemd-160
69d354673cde9461eed7a81fccf8a8247832a209
Diameter
523440976
Circumference
1644438324.7895
Area
2.151916004249E+17
Volume
7.5093400902275E+25
Surface area
8.6076640169961E+17
Circumference
1644438324.7895
Perimeter
1046881952
Area
68497613838958144
Diagonal
370128663.6805
Surface area
410985683033748864
Volume
1.7927228920768E+25
Space diagonal
453313182.59772
Perimeter
785161464
Area
2.9660336841577E+16
Altitude
226656591.29886
Surface area
2.9660336841577E+16
Volume
2.1127441896264E+24
Height
123376221.22683