261009 (number)

261009 is an odd 6-digits composite number following 261008 and preceding 261010. In scientific notation, it is written as 2.61009 × 10^5. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 149040 positive integers (up to 261009) that are relatively prime to 261009.

Interesting facts

Basic properties

Name

Name two hundred sixty-one thousand nine

Notation

Scientific notation 2.61009 × 10^5
Engineering notation 2.61009 × 10^3

Prime Factorization of 261009

Prime Factorization 3 × 21 × 3 × 1381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87003
Product of the distinct prime numbers

The prime factorization of 261009 is 3 × 21 × 3 × 1381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 261009)

Multiplication

n×y
n×2 522018
n×3 783027
n×4 1044036
n×5 1305045

Division

n÷y
n÷2 130504.5
n÷3 87003
n÷3 65252.25
n÷5 52201.8

Exponentiation

ny
n2 68125698081
n3 17781420330423729
n4 4.6411107390236E+21
n5 1.2113716728818E+27

Nth Root

y√n
2√n 510.89039920515
3√n 63.907499836071
4√n 22.602884754056
5√n 12.115214188131

Divisors of 261009

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261009 can be divided by 12 positive divisors. The sum of these divisors (counting 261009) is 1, the average is 0.083333333333333.

Base conversion 261009

Base System Value
2 Binary 111111101110010001
3 Ternary 111021001000
4 Quaternary 333232101
5 Quinary 31323014
6 Senary 5332213
8 Octal 775621
10 Decimal 261009
12 Duodecimal 107069
16 Hexadecimal 3fb91
20 Vigesimal 1cca9
36 Base36 5le9

Cryptographic Hash Functions

md5 ed25ad0475354bbbb224f270d8f02634
sha1 cbb7a168dafe125b66667d75cec98024c187ebd6
sha256 c1680cb2c19bdbe59237ccafd416f92e90a46a6a4f8b92cba05fec056700cb8d
sha512 ddeb3806635a72157868bcebe8e6dbde98a30e40ab5f92f1fbba85a99753d28a43a59d5b02be52b955405012704b62abb5d91f342c1bdccf7d28acacb274ddbf
ripemd-160 0e7d0330cfadafdd3e304f6333ee8b0841053df5

261009 as geometric shapes

Circle

Radius = n
Diameter 522018
Circumference 1639967.9138416
Area 214023192611.95

Sphere

Radius = n
Volume 7.4482639307268E+16
Surface area 856092770447.78
Circumference 1639967.9138416

Square

Length = n
Perimeter 1044036
Area 68125698081
Diagonal 369122.46770144

Cube

Length = n
Surface area 408754188486
Volume 17781420330423729
Space diagonal 452080.84923275

Equilateral Triangle

Length = n
Perimeter 783027
Area 29499292594.347
Altitude 226040.42461637

Triangular Pyramid

Length = n
Surface area 29499292594.347
Volume 2.0955604824618E+15
Height 123040.82256715