21361279 (number)

21361279 is an odd 8-digits composite number following 21361278 and preceding 21361280. In scientific notation, it is written as 2.1361279 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20958184 positive integers (up to 21361279) that are relatively prime to 21361279.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred sixty-one thousand two hundred seventy-nine

Notation

Scientific notation 2.1361279 × 10^7
Engineering notation 2.1361279 × 10^6

Prime Factorization of 21361279

Prime Factorization 53 × 403043

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21361279
Product of the distinct prime numbers

The prime factorization of 21361279 is 53 × 403043. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21361279)

Multiplication

n×y
n×2 42722558
n×3 64083837
n×4 85445116
n×5 106806395

Division

n÷y
n÷2 10680639.5
n÷3 7120426.3333333
n÷3 5340319.75
n÷5 4272255.8

Exponentiation

ny
n2 456304240515841
n3 9.747242190542E+21
n4 2.0821355991274E+29
n5 4.4477079448792E+36

Nth Root

y√n
2√n 4621.8263706029
3√n 277.46555966813
4√n 67.984015552208
5√n 29.236504708056

Divisors of 21361279

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 -21361278
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 21361279 can be divided by 4 positive divisors. The sum of these divisors (counting 21361279) is 1, the average is 0.25.

Base conversion 21361279

Base System Value
2 Binary 1010001011111001001111111
3 Ternary 1111012021011111
4 Quaternary 1101133021333
5 Quinary 20432030104
6 Senary 2041502451
8 Octal 121371177
10 Decimal 21361279
12 Duodecimal 71a1a27
16 Hexadecimal 145f27f
20 Vigesimal 6da33j
36 Base36 cpugv

Cryptographic Hash Functions

md5 379b04404ebc9bb09960022fa672e148
sha1 78eed9c98515dac8d66f497def26b1d5c99e0e85
sha256 d90b7b9122b2695ec2ab1a7bc690090a9c639695ee85b385bc063a62125f8993
sha512 f31948c1ff01c208f2d492fa3eb0a5957efdd4f475fbef97dd01847fc19e68ee7bbe796da508724b734cdbd0f496db96f7e20ac47d1166cab31b397385dd7c49
ripemd-160 712c48c19dd0bab495e07de953623c700c15c7c3

21361279 as geometric shapes

Circle

Radius = n
Diameter 42722558
Circumference 134216874.35536
Area 1.4335220498064E+15

Sphere

Radius = n
Volume 4.0829152611423E+22
Surface area 5.7340881992257E+15
Circumference 134216874.35536

Square

Length = n
Perimeter 85445116
Area 456304240515841
Diagonal 30209410.471436

Cube

Length = n
Surface area 2737825443095046
Volume 9.747242190542E+21
Space diagonal 36998820.542654

Equilateral Triangle

Length = n
Perimeter 64083837
Area 1.9758553207064E+14
Altitude 18499410.271327

Triangular Pyramid

Length = n
Surface area 1.9758553207064E+14
Volume 1.1487235084666E+21
Height 10069803.490479