21106721 (number)

21106721 is an odd 8-digits prime number following 21106720 and preceding 21106722. In scientific notation, it is written as 2.1106721 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 21106720 positive integers (up to 21106721) that are relatively prime to 21106721.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred six thousand seven hundred twenty-one

Notation

Scientific notation 2.1106721 × 10^7
Engineering notation 2.1106721 × 10^6

Prime Factorization of 21106721

Prime Factorization 21106721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21106721
Product of the distinct prime numbers

The prime factorization of 21106721 is 21106721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21106721)

Multiplication

n×y
n×2 42213442
n×3 63320163
n×4 84426884
n×5 105533605

Division

n÷y
n÷2 10553360.5
n÷3 7035573.6666667
n÷3 5276680.25
n÷5 4221344.2

Exponentiation

ny
n2 445493671371841
n3 9.4029106289111E+21
n4 1.9846461123236E+29
n5 4.1889371776549E+36

Nth Root

y√n
2√n 4594.2051543221
3√n 276.35898554603
4√n 67.78056619948
5√n 29.166489071692

Divisors of 21106721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21106722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10553361
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4594.2052631549
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999052435
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21106721 can be divided by 2 positive divisors. The sum of these divisors (counting 21106721) is 21106722, the average is 10553361.

Base conversion 21106721

Base System Value
2 Binary 1010000100001000000100001
3 Ternary 1110201022222102
4 Quaternary 1100201000201
5 Quinary 20400403341
6 Senary 2032220145
8 Octal 120410041
10 Decimal 21106721
12 Duodecimal 709a655
16 Hexadecimal 1421021
20 Vigesimal 6bi6g1
36 Base36 cke1t

Cryptographic Hash Functions

md5 ea11ccde2800486caacf6981e075f404
sha1 4b0b888ae5e2953f45d4152af46fe25c302163af
sha256 e1e53f58925979f5fb98ca23512e5a2c7ccd17e87aec46b0e264ad3659951d7f
sha512 17599f3a0a5ec8ce79bf442e8a335253e4bb7213e03fd22414bf08f2c741c7751c153e7df757034ebb5ca2d789048850a06a04d605e9e2c262025ad7e0299ca3
ripemd-160 40d5c0e169102c98b3fc75e13fc5bf8bbde9a7c6

21106721 as geometric shapes

Circle

Radius = n
Diameter 42213442
Circumference 132617439.26994
Area 1.3995596452025E+15

Sphere

Radius = n
Volume 3.9386819938865E+22
Surface area 5.5982385808101E+15
Circumference 132617439.26994

Square

Length = n
Perimeter 84426884
Area 445493671371841
Diagonal 29849411.095425

Cube

Length = n
Surface area 2672962028231046
Volume 9.4029106289111E+21
Space diagonal 36557913.153181

Equilateral Triangle

Length = n
Perimeter 63320163
Area 1.9290441831661E+14
Altitude 18278956.57659

Triangular Pyramid

Length = n
Surface area 1.9290441831661E+14
Volume 1.1081436447657E+21
Height 9949803.698475