21131265 (number)

21131265 is an odd 8-digits composite number following 21131264 and preceding 21131266. In scientific notation, it is written as 2.1131265 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 11240832 positive integers (up to 21131265) that are relatively prime to 21131265.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131265 × 10^7
Engineering notation 2.1131265 × 10^6

Prime Factorization of 21131265

Prime Factorization 3 × 5 × 439 × 3209

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21131265
Product of the distinct prime numbers

The prime factorization of 21131265 is 3 × 5 × 439 × 3209. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 39, 29, 566, 454, 4805, 4116, 74198, 64133, 484297, 414604, 8211112, 2388869, 99386104, 68405429, 249339936, 114118321, 5408941264, 9905798591

Basic calculations (n = 21131265)

Multiplication

n×y
n×2 42262530
n×3 63393795
n×4 84525060
n×5 105656325

Division

n÷y
n÷2 10565632.5
n÷3 7043755
n÷3 5282816.25
n÷5 4226253

Exponentiation

ny
n2 446530360500225
n3 9.4357513782758E+21
n4 1.9938936284846E+29
n5 4.213349464532E+36

Nth Root

y√n
2√n 4596.8755693405
3√n 276.4660656154
4√n 67.800262310264
5√n 29.173269182758

Divisors of 21131265

1, 3, 5, 15, 439, 1317, 2195, 3209, 6585, 9627, 16045, 48135, 1408751, 4226253, 7043755, 21131265

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131264
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131265 can be divided by 16 positive divisors. The sum of these divisors (counting 21131265) is 1, the average is 0.0625.

Base conversion 21131265

Base System Value
2 Binary 1010000100111000000000001
3 Ternary 1110202120122110
4 Quaternary 1100213000001
5 Quinary 20402200030
6 Senary 2032525533
8 Octal 120470001
10 Decimal 21131265
12 Duodecimal 70b08a9
16 Hexadecimal 1427001
20 Vigesimal 6c1835
36 Base36 ckwzl

Cryptographic Hash Functions

md5 742af3625fd556bbba069cace0678b2a
sha1 5d1f3266eb2c67e85c3a721faeb8d05a14f36479
sha256 28f4ade6ef6feae400d8b9314093541b8510ac43d4ea86317ad9800baf98b8a3
sha512 373eb7fc538223a69e1ce7886cb40ec641f34f0d93fb18f70f5819e57ff1130c16e926ffe5568e0dd199bf0f7a7779b78bb52b97495301fd5fbbdb5471caa59e
ripemd-160 abf86fa71f094c6a28306369c0c19f9fd9d6a751

21131265 as geometric shapes

Circle

Radius = n
Diameter 42262530
Circumference 132771653.77012
Area 1.4028165001523E+15

Sphere

Radius = n
Volume 3.9524382948121E+22
Surface area 5.6112660006092E+15
Circumference 132771653.77012

Square

Length = n
Perimeter 84525060
Area 446530360500225
Diagonal 29884121.5531

Cube

Length = n
Surface area 2679182163001350
Volume 9.4357513782758E+21
Space diagonal 36600424.608202

Equilateral Triangle

Length = n
Perimeter 63393795
Area 1.9335331787711E+14
Altitude 18300212.304101

Triangular Pyramid

Length = n
Surface area 1.9335331787711E+14
Volume 1.1120139641949E+21
Height 9961373.8510333