261036561 (number)

261036561 is an odd 9-digits composite number following 261036560 and preceding 261036562. In scientific notation, it is written as 2.61036561 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 174024372 positive integers (up to 261036561) that are relatively prime to 261036561.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million thirty-six thousand five hundred sixty-one

Notation

Scientific notation 2.61036561 × 10^8
Engineering notation 2.61036561 × 10^6

Prime Factorization of 261036561

Prime Factorization 3 × 87012187

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261036561
Product of the distinct prime numbers

The prime factorization of 261036561 is 3 × 87012187. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 89, 49, 180, 32, 4338, 391, 19133, 71693, 40066, 650430, 1056331, 2378190, 18249233, 20110339, 444252819, 830241304, 8033474576, 3943420568

Basic calculations (n = 261036561)

Multiplication

n×y
n×2 522073122
n×3 783109683
n×4 1044146244
n×5 1305182805

Division

n÷y
n÷2 130518280.5
n÷3 87012187
n÷3 65259140.25
n÷5 52207312.2

Exponentiation

ny
n2 68140086178706721
n3 1.7787053762333E+25
n4 4.6430713444416E+33
n5 1.2120113762307E+42

Nth Root

y√n
2√n 16156.625916323
3√n 639.09749174357
4√n 127.10871691715
5√n 48.232554960593

Divisors of 261036561

1, 3, 87012187, 261036561

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 -261036560
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 261036561 can be divided by 4 positive divisors. The sum of these divisors (counting 261036561) is 1, the average is 0.25.

Base conversion 261036561

Base System Value
2 Binary 1111100011110001101000010001
3 Ternary 200012012000211210
4 Quaternary 33203301220101
5 Quinary 1013311132221
6 Senary 41522530333
8 Octal 1743615021
10 Decimal 261036561
12 Duodecimal 735069a9
16 Hexadecimal f8f1a11
20 Vigesimal 41b9b81
36 Base36 4bex3l

Cryptographic Hash Functions

md5 4c9d0d9272e863fb7ffec529f3af813e
sha1 d8fd0166b1ef90edb936f2c9791248fc91ff1ab8
sha256 312e7838612bb8efe194b6e0b2236f5a627c25021780179230d5d4399c523a04
sha512 b1a0bbcacff99dd77e2fbb492302f7e9ac0f9819d68632d4af0eeb47435b5c7e55b9112b85ef48e41607796dc0acd2696f603eefe9f36a071d7468dc4435d859
ripemd-160 fea65bb87d252dfedffea4d17d7b26fa295fb6d4

261036561 as geometric shapes

Circle

Radius = n
Diameter 522073122
Circumference 1640141084.7119
Area 2.14068394154E+17

Sphere

Radius = n
Volume 7.450623657167E+25
Surface area 8.56273576616E+17
Circumference 1640141084.7119

Square

Length = n
Perimeter 1044146244
Area 68140086178706721
Diagonal 369161444.84143

Cube

Length = n
Surface area 408840517072240326
Volume 1.7787053762333E+25
Space diagonal 452128586.28505

Equilateral Triangle

Length = n
Perimeter 783109683
Area 2.950552282341E+16
Altitude 226064293.14253

Triangular Pyramid

Length = n
Surface area 2.950552282341E+16
Volume 2.0962243887793E+24
Height 123053814.94714