21271279 (number)

21271279 is an odd 8-digits composite number following 21271278 and preceding 21271280. In scientific notation, it is written as 2.1271279 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19961496 positive integers (up to 21271279) that are relatively prime to 21271279.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1271279 × 10^7
Engineering notation 2.1271279 × 10^6

Prime Factorization of 21271279

Prime Factorization 19 × 107 × 10463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21271279
Product of the distinct prime numbers

The prime factorization of 21271279 is 19 × 107 × 10463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21271279)

Multiplication

n×y
n×2 42542558
n×3 63813837
n×4 85085116
n×5 106356395

Division

n÷y
n÷2 10635639.5
n÷3 7090426.3333333
n÷3 5317819.75
n÷5 4254255.8

Exponentiation

ny
n2 452467310295841
n3 9.6245583956824E+21
n4 2.0472666688635E+29
n5 4.3547980500797E+36

Nth Root

y√n
2√n 4612.0796827462
3√n 277.07533563263
4√n 67.912294047147
5√n 29.211827055073

Divisors of 21271279

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21271278
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21271279 can be divided by 8 positive divisors. The sum of these divisors (counting 21271279) is 1, the average is 0.125.

Base conversion 21271279

Base System Value
2 Binary 1010001001001001011101111
3 Ternary 1111000200201011
4 Quaternary 1101021023233
5 Quinary 20421140104
6 Senary 2035530051
8 Octal 121111357
10 Decimal 21271279
12 Duodecimal 7159927
16 Hexadecimal 14492ef
20 Vigesimal 6cii3j
36 Base36 cnx0v

Cryptographic Hash Functions

md5 ee0b2590a2df50bf64b7c11ef7ccac68
sha1 f4cefb1ac6e79caeae8fad384c511a4f8ab2ea2f
sha256 e3ab9d1f07c47f9d877aa1811ae66647bbd4cc62d7b3682b10416a99dfde4c15
sha512 15c4f6a6d51a907344d0f4fb422886aa1735b6037bfafb5237e6e5bd3077023bdb4a72effbd334ad033c12ddc34adfebf9588a8a60fdb7f95d596cb4cd0452fb
ripemd-160 94987601bd3d966426d7bd55ab2c7636efa48476

21271279 as geometric shapes

Circle

Radius = n
Diameter 42542558
Circumference 133651387.67772
Area 1.4214679780149E+15

Sphere

Radius = n
Volume 4.0315255933229E+22
Surface area 5.6858719120598E+15
Circumference 133651387.67772

Square

Length = n
Perimeter 85085116
Area 452467310295841
Diagonal 30082131.250822

Cube

Length = n
Surface area 2714803861775046
Volume 9.6245583956824E+21
Space diagonal 36842935.969973

Equilateral Triangle

Length = n
Perimeter 63813837
Area 1.9592409254911E+14
Altitude 18421467.984986

Triangular Pyramid

Length = n
Surface area 1.9592409254911E+14
Volume 1.1342650845855E+21
Height 10027377.083607