261731 (number)

261731 is an odd 6-digits composite number following 261730 and preceding 261732. In scientific notation, it is written as 2.61731 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 260352 positive integers (up to 261731) that are relatively prime to 261731.

Interesting facts

Basic properties

Name

Name two hundred sixty-one thousand seven hundred thirty-one

Notation

Scientific notation 2.61731 × 10^5
Engineering notation 2.61731 × 10^3

Prime Factorization of 261731

Prime Factorization 227 × 1153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261731
Product of the distinct prime numbers

The prime factorization of 261731 is 227 × 1153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 261731)

Multiplication

n×y
n×2 523462
n×3 785193
n×4 1046924
n×5 1308655

Division

n÷y
n÷2 130865.5
n÷3 87243.666666667
n÷3 65432.75
n÷5 52346.2

Exponentiation

ny
n2 68503116361
n3 17929389148280891
n4 4.6926769511687E+21
n5 1.2282190311063E+27

Nth Root

y√n
2√n 511.59652070748
3√n 63.966372307964
4√n 22.618499523785
5√n 12.121909376521

Divisors of 261731

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 -261730
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 261731 can be divided by 4 positive divisors. The sum of these divisors (counting 261731) is 1, the average is 0.25.

Base conversion 261731

Base System Value
2 Binary 111111111001100011
3 Ternary 111022000202
4 Quaternary 333321203
5 Quinary 31333411
6 Senary 5335415
8 Octal 777143
10 Decimal 261731
12 Duodecimal 10756b
16 Hexadecimal 3fe63
20 Vigesimal 1ce6b
36 Base36 5lyb

Cryptographic Hash Functions

md5 5428ab73f3e0d1488246f4520ced5c5a
sha1 c524d4fb96b844b42fc1a618ed248fe841115613
sha256 5a5a6a142c34d4f5c3752c799435e6611e24019fcc215abdb407e73eb9e0d413
sha512 f0b9aaa36606c44851b3378905023a85a85eb066a0d24d9f2bdea266082eb0816a893cf8b94f0d54eaa12fd41d9f30205710b93e2fbd6a5ca60f9fdce83fc049
ripemd-160 f29bb24e1cf5c0ad0a17eb964a0af89c04c9018d

261731 as geometric shapes

Circle

Radius = n
Diameter 523462
Circumference 1644504.3736334
Area 215208887107.72

Sphere

Radius = n
Volume 7.5102449642122E+16
Surface area 860835548430.9
Circumference 1644504.3736334

Square

Length = n
Perimeter 1046924
Area 68503116361
Diagonal 370143.52989347

Cube

Length = n
Surface area 411018698166
Volume 17929389148280891
Space diagonal 453331.38991581

Equilateral Triangle

Length = n
Perimeter 785193
Area 29662719503.514
Altitude 226665.6949579

Triangular Pyramid

Length = n
Surface area 29662719503.514
Volume 2.1129987748803E+15
Height 123381.17663116