21272721 (number)

21272721 is an odd 8-digits composite number following 21272720 and preceding 21272722. In scientific notation, it is written as 2.1272721 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 14041200 positive integers (up to 21272721) that are relatively prime to 21272721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1272721 × 10^7
Engineering notation 2.1272721 × 10^6

Prime Factorization of 21272721

Prime Factorization 3 × 101 × 70207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21272721
Product of the distinct prime numbers

The prime factorization of 21272721 is 3 × 101 × 70207. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21272721)

Multiplication

n×y
n×2 42545442
n×3 63818163
n×4 85090884
n×5 106363605

Division

n÷y
n÷2 10636360.5
n÷3 7090907
n÷3 5318180.25
n÷5 4254544.2

Exponentiation

ny
n2 452528658743841
n3 9.6265159019619E+21
n4 2.047821869845E+29
n5 4.3562743294911E+36

Nth Root

y√n
2√n 4612.2360087055
3√n 277.08159655697
4√n 67.913444977453
5√n 29.212223103777

Divisors of 21272721

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 -21272720
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 21272721 can be divided by 8 positive divisors. The sum of these divisors (counting 21272721) is 1, the average is 0.125.

Base conversion 21272721

Base System Value
2 Binary 1010001001001100010010001
3 Ternary 1111000202200120
4 Quaternary 1101021202101
5 Quinary 20421211341
6 Senary 2035540453
8 Octal 121114221
10 Decimal 21272721
12 Duodecimal 715a729
16 Hexadecimal 1449891
20 Vigesimal 6cj1g1
36 Base36 cny4x

Cryptographic Hash Functions

md5 1dd11afb14f735e2a1282751a99f098a
sha1 7fcd80b5c8ec6760b520849f6a867a2a446b774b
sha256 2f65eb728a2fc10ebe402cd4c4278aaa6edeff0ce8fdbaee3001d3bcdaf884d5
sha512 d5535ab712bc25ff398c80ebe98eee8aa72551c4ab840338df6ee07a38c57c049b528f9b8017f4cde6a21e2bbc8567b538d9c7433a17eac64fe728176fbdf465
ripemd-160 49c8c5bb67742929d86f986dbe924d18648fddcc

21272721 as geometric shapes

Circle

Radius = n
Diameter 42545442
Circumference 133660448.03093
Area 1.4216607098485E+15

Sphere

Radius = n
Volume 4.0323455516359E+22
Surface area 5.686642839394E+15
Circumference 133660448.03093

Square

Length = n
Perimeter 85090884
Area 452528658743841
Diagonal 30084170.546779

Cube

Length = n
Surface area 2715171952463046
Volume 9.6265159019619E+21
Space diagonal 36845433.587237

Equilateral Triangle

Length = n
Perimeter 63818163
Area 1.9595065720633E+14
Altitude 18422716.793619

Triangular Pyramid

Length = n
Surface area 1.9595065720633E+14
Volume 1.1344957789129E+21
Height 10028056.848926