261551149 is an odd 9-digits composite number following 261551148
and preceding 261551150 . In scientific notation, it is written as 2.61551149 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 257867260 positive integers (up to 261551149) that are relatively prime to 261551149.
261551149 has 4 divisors, whose sum is 265235040
The reverse of 261551149 is 941155162
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred sixty-one million five hundred fifty-one thousand one hundred forty-nine
Scientific notation
2.61551149 × 10^8
Engineering notation
2.61551149 × 10^6
Prime Factorization
71 × 3683819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261551149
Product of the distinct prime numbers
The prime factorization of 261551149 is 71 × 3683819.
Since it has a total of 2 prime factors.
5 , 3 , 94 , 40 , 882 , 286 , 886 , 4763 , 8853 , 10872 , 268900 , 890198 , 6721547 , 3956036 , 12691735 , 88312648 , 610012115 , 847443136 , 2712283959 , 8345363074
n×2
523102298
n×3
784653447
n×4
1046204596
n×5
1307755745
n÷2
130775574.5
n÷3
87183716.333333
n÷3
65387787.25
n÷5
52310229.8
n2
68409003543220201
n3
1.7892453478674E+25
n4
4.6797917657763E+33
n5
1.2240049134195E+42
2 √n
16172.543059148
3 √n
639.51717245889
4 √n
127.17131382174
5 √n
48.251556395319
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261551148
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261551149 can be divided by 4 positive divisors.
The sum of these divisors (counting 261551149) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100101101111010000101101
3
Ternary
200020011011201121
4
Quaternary
33211233100231
5
Quinary
1013424114044
6
Senary
41541540541
8
Octal
1745572055
10
Decimal
261551149
12
Duodecimal
73714751
16
Hexadecimal
f96f42d
20
Vigesimal
41edhh9
36
Base36
4bpy5p
md5
e0fdb71e5f56acbf558fdf158ab9840b
sha1
22a98da65fdef4047a691fa400e5aee7d63605fa
sha256
fe94bea34a61670177a0b715cd1776fe36f62a27cd15117d15738c18b59e38a7
sha512
62cb690bb670cc27b80265928222bac3ec2fac334de00effa725fd35a4ae93531e76a5f4c794917c23e405840c2a91aada74b343f96e93a622c5839786e40c8c
ripemd-160
7f4acfe709eb716ce5a03c1b6c3c93b47029bf6d
Diameter
523102298
Circumference
1643374336.4727
Area
2.1491322297078E+17
Volume
7.4947733871067E+25
Surface area
8.5965289188311E+17
Circumference
1643374336.4727
Perimeter
1046204596
Area
68409003543220201
Diagonal
369889182.17007
Surface area
410454021259321206
Volume
1.7892453478674E+25
Space diagonal
453019878.84602
Perimeter
784653447
Area
2.9621967458004E+16
Altitude
226509939.42301
Surface area
2.9621967458004E+16
Volume
2.1086458644726E+24
Height
123296394.05669