261330249 (number)

261330249 is an odd 9-digits composite number following 261330248 and preceding 261330250. In scientific notation, it is written as 2.61330249 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 174220164 positive integers (up to 261330249) that are relatively prime to 261330249.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred thirty thousand two hundred forty-nine

Notation

Scientific notation 2.61330249 × 10^8
Engineering notation 2.61330249 × 10^6

Prime Factorization of 261330249

Prime Factorization 3 × 87110083

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261330249
Product of the distinct prime numbers

The prime factorization of 261330249 is 3 × 87110083. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 16, 65, 818, 126, 4312, 1629, 4305, 68274, 955177, 329506, 8564231, 5918222, 76612924, 26560154, 813924685, 111325670, 1062536925, 4805899544

Basic calculations (n = 261330249)

Multiplication

n×y
n×2 522660498
n×3 783990747
n×4 1045320996
n×5 1306651245

Division

n÷y
n÷2 130665124.5
n÷3 87110083
n÷3 65332562.25
n÷5 52266049.8

Exponentiation

ny
n2 68293499042402001
n3 1.7847157109832E+25
n4 4.6640020114546E+33
n5 1.2188448069899E+42

Nth Root

y√n
2√n 16165.712140206
3√n 639.33708131988
4√n 127.14445383188
5√n 48.243403212636

Divisors of 261330249

1, 3, 87110083, 261330249

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 -261330248
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 261330249 can be divided by 4 positive divisors. The sum of these divisors (counting 261330249) is 1, the average is 0.25.

Base conversion 261330249

Base System Value
2 Binary 1111100100111001010101001001
3 Ternary 200012201221201010
4 Quaternary 33210321111021
5 Quinary 1013400031444
6 Senary 41533114133
8 Octal 1744712511
10 Decimal 261330249
12 Duodecimal 73628949
16 Hexadecimal f939549
20 Vigesimal 41d65c9
36 Base36 4bl7pl

Cryptographic Hash Functions

md5 7ed44f88e7fd003d338136498ee6e78a
sha1 7fe98f2fd390e18557732e28d5e2260e89ae6157
sha256 c38e7c95a5ce8c0db56f82202caaac92d64154ee576d26f58df5d4ac179e079b
sha512 5fff041ab9f0fe42d37329f17e71ebd9663b387664af8d090d632037ef5c39a8b443122a797db7429bcb42a978e8d9d32abf5fb28e817fb78b0f107f333f203b
ripemd-160 9c7a3b3078031a971147acf9d8014db460a205be

261330249 as geometric shapes

Circle

Radius = n
Diameter 522660498
Circumference 1641986380.8384
Area 2.1455035487955E+17

Sphere

Radius = n
Volume 7.4757996884949E+25
Surface area 8.5820141951821E+17
Circumference 1641986380.8384

Square

Length = n
Perimeter 1045320996
Area 68293499042402001
Diagonal 369576782.39414

Cube

Length = n
Surface area 409760994254412006
Volume 1.7847157109832E+25
Space diagonal 452637268.82263

Equilateral Triangle

Length = n
Perimeter 783990747
Area 2.9571952542024E+16
Altitude 226318634.41131

Triangular Pyramid

Length = n
Surface area 2.9571952542024E+16
Volume 2.1033076362107E+24
Height 123192260.79805