261034985 is an odd 9-digits composite number following 261034984
and preceding 261034986 . In scientific notation, it is written as 2.61034985 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 208827984 positive integers (up to 261034985) that are relatively prime to 261034985.
261034985 has 4 divisors, whose sum is 313241988
The reverse of 261034985 is 589430162
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred sixty-one million thirty-four thousand nine hundred eighty-five
Scientific notation
2.61034985 × 10^8
Engineering notation
2.61034985 × 10^6
Prime Factorization
5 × 52206997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261034985
Product of the distinct prime numbers
The prime factorization of 261034985 is 5 × 52206997.
Since it has a total of 2 prime factors.
1 , 2 , 49 , 40 , 191 , 964 , 975 , 8027 , 34231 , 62779 , 798476 , 277111 , 1633586 , 413338 , 70764074 , 68537902 , 178617478 , 315952892 , 4157736203 , 3802198711
n×2
522069970
n×3
783104955
n×4
1044139940
n×5
1305174925
n÷2
130517492.5
n÷3
87011661.666667
n÷3
65258746.25
n÷5
52206997
n2
68139263393950225
n3
1.7786731597951E+25
n4
4.6429592158701E+33
n5
1.2119747892703E+42
2 √n
16156.57714369
3 √n
639.096205564
4 √n
127.10852506299
5 √n
48.232496719947
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
-261034984
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 261034985 can be divided by 4 positive divisors.
The sum of these divisors (counting 261034985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100011110001001111101001
3
Ternary
200012011221200102
4
Quaternary
33203301033221
5
Quinary
1013311104420
6
Senary
41522515145
8
Octal
1743611751
10
Decimal
261034985
12
Duodecimal
73505ab5
16
Hexadecimal
f8f13e9
20
Vigesimal
41b9795
36
Base36
4bevvt
md5
001b614dda41265f27b102391135edca
sha1
ad2dea838e975616d9cbbf24e6b7e86bd20db09c
sha256
8eca8a9d4c3ed230c172cf5a7c0227f02195b82ee4845223997903facde4d629
sha512
b8cc3af4fd8a1c6ddb3bb38196cf84e4b0bbc44ef3d59e7f9a2336ac44ef01291cc278ed86af25c53619c244cea05a9306504576060b61faea77767e7023653e
ripemd-160
13f76ebcbd34e26760fb1ae086a2d73b889b44f6
Diameter
522069970
Circumference
1640131182.4118
Area
2.1406580929945E+17
Volume
7.4504887092661E+25
Surface area
8.5626323719782E+17
Circumference
1640131182.4118
Perimeter
1044139940
Area
68139263393950225
Diagonal
369159216.04086
Surface area
408835580363701350
Volume
1.7786731597951E+25
Space diagonal
452125856.57298
Perimeter
783104955
Area
2.950516654716E+16
Altitude
226062928.28649
Surface area
2.950516654716E+16
Volume
2.0961864213427E+24
Height
123053072.01362