261330257 (number)

261330257 is an odd 9-digits prime number following 261330256 and preceding 261330258. In scientific notation, it is written as 2.61330257 × 10^8. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 261330256 positive integers (up to 261330257) that are relatively prime to 261330257.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred thirty thousand two hundred fifty-seven

Notation

Scientific notation 2.61330257 × 10^8
Engineering notation 2.61330257 × 10^6

Prime Factorization of 261330257

Prime Factorization 261330257

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 261330257
Product of the distinct prime numbers

The prime factorization of 261330257 is 261330257. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 10, 52, 27, 589, 183, 3074, 5582, 12094, 79566, 879598, 818242, 8972257, 5682171, 92553675, 45037539, 654431084, 583450954, 1120016307, 4347463187

Basic calculations (n = 261330257)

Multiplication

n×y
n×2 522660514
n×3 783990771
n×4 1045321028
n×5 1306651285

Division

n÷y
n÷2 130665128.5
n÷3 87110085.666667
n÷3 65332564.25
n÷5 52266051.4

Exponentiation

ny
n2 68293503223686049
n3 1.7847158748876E+25
n4 4.6640025825636E+33
n5 1.21884499355E+42

Nth Root

y√n
2√n 16165.712387643
3√n 639.3370878438
4√n 127.14445480493
5√n 48.243403508008

Divisors of 261330257

1, 261330257

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 261330258
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 130665129
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 16165.712418573
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 261330257 can be divided by 2 positive divisors. The sum of these divisors (counting 261330257) is 261330258, the average is 130665129.

Base conversion 261330257

Base System Value
2 Binary 1111100100111001010101010001
3 Ternary 200012201221201102
4 Quaternary 33210321111101
5 Quinary 1013400032012
6 Senary 41533114145
8 Octal 1744712521
10 Decimal 261330257
12 Duodecimal 73628955
16 Hexadecimal f939551
20 Vigesimal 41d65ch
36 Base36 4bl7pt

Cryptographic Hash Functions

md5 96d049d7c48e828d47f95cfdd937923b
sha1 c6fb3c157c72e6c9d4fe85e644231d5377e7eb19
sha256 6ebf590f55fdb3683c500fec37b6c20c417b216e5f24fabcab60545d150273a4
sha512 d02f217ace030675fa45ac9f0200c5509060f98706acf1ae1f75ce05f82b935703f4899955dbaa0ec2596adfa35b38cc2319a640fc2839681040436901628304
ripemd-160 e1467a935a8f136264151bef96d8159b40ea05ee

261330257 as geometric shapes

Circle

Radius = n
Diameter 522660514
Circumference 1641986431.1039
Area 2.1455036801544E+17

Sphere

Radius = n
Volume 7.475800375056E+25
Surface area 8.5820147206177E+17
Circumference 1641986431.1039

Square

Length = n
Perimeter 1045321028
Area 68293503223686049
Diagonal 369576793.70785

Cube

Length = n
Surface area 409761019342116294
Volume 1.7847158748876E+25
Space diagonal 452637282.67903

Equilateral Triangle

Length = n
Perimeter 783990771
Area 2.9571954352573E+16
Altitude 226318641.33952

Triangular Pyramid

Length = n
Surface area 2.9571954352573E+16
Volume 2.1033078293739E+24
Height 123192264.56928