261330247 is an odd 9-digits prime number following 261330246
and preceding 261330248 . In scientific notation, it is written as 2.61330247 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 261330246 positive integers (up to 261330247) that are relatively prime to 261330247.
261330247 has 2 divisors, whose sum is 261330248
The reverse of 261330247 is 742033162
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred sixty-one million three hundred thirty thousand two hundred forty-seven
Scientific notation
2.61330247 × 10^8
Engineering notation
2.61330247 × 10^6
Prime Factorization
261330247
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
261330247
Product of the distinct prime numbers
The prime factorization of 261330247 is 261330247.
Since it has a total of 1 prime factors.
8 , 9 , 78 , 100 , 548 , 541 , 7835 , 633 , 57011 , 54776 , 208449 , 329732 , 6887375 , 4923144 , 40274765 , 1521583 , 960364099 , 292293140 , 4081711575 , 1699263608
n×2
522660494
n×3
783990741
n×4
1045320988
n×5
1306651235
n÷2
130665123.5
n÷3
87110082.333333
n÷3
65332561.75
n÷5
52266049.4
n2
68293497997081009
n3
1.7847156700071E+25
n4
4.6640018686773E+33
n5
1.2188447603499E+42
2 √n
16165.712078347
3 √n
639.3370796889
4 √n
127.14445358861
5 √n
48.243403138794
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
261330248
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
130665124
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
16165.712109276
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999923468
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261330247 can be divided by 2 positive divisors.
The sum of these divisors (counting 261330247) is 261330248, the average is 130665124.
Base
System
Value
2
Binary
1111100100111001010101000111
3
Ternary
200012201221201001
4
Quaternary
33210321111013
5
Quinary
1013400031442
6
Senary
41533114131
8
Octal
1744712507
10
Decimal
261330247
12
Duodecimal
73628947
16
Hexadecimal
f939547
20
Vigesimal
41d65c7
36
Base36
4bl7pj
md5
d09460e647fc491b691c81a7feb619ef
sha1
cfac987c44f0c777f9ce7dacfe46685acb88a0ae
sha256
0455685348ab837a71bc5145df2f1d2c1bcd8f0abce0f97b757b3d2a1dc5ac98
sha512
f0519f3cba881cb646a8a2236116111f1a17bb2222f2a8faa71eee7f62d40f87dbfd9459d3aad9d4ffc5b264bb1668e191b5b9633491fbb584411e500bed6e69
ripemd-160
cc727a533293bfecec625e7484cbb81089cd32ad
Diameter
522660494
Circumference
1641986368.272
Area
2.1455035159558E+17
Volume
7.4757995168546E+25
Surface area
8.5820140638232E+17
Circumference
1641986368.272
Perimeter
1045320988
Area
68293497997081009
Diagonal
369576779.56571
Surface area
409760987982486054
Volume
1.7847156700071E+25
Space diagonal
452637265.35852
Perimeter
783990741
Area
2.9571952089387E+16
Altitude
226318632.67926
Surface area
2.9571952089387E+16
Volume
2.1033075879199E+24
Height
123192259.85524