21696721 (number)

21696721 is an odd 8-digits prime number following 21696720 and preceding 21696722. In scientific notation, it is written as 2.1696721 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 21696720 positive integers (up to 21696721) that are relatively prime to 21696721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1696721 × 10^7
Engineering notation 2.1696721 × 10^6

Prime Factorization of 21696721

Prime Factorization 21696721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21696721
Product of the distinct prime numbers

The prime factorization of 21696721 is 21696721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21696721)

Multiplication

n×y
n×2 43393442
n×3 65090163
n×4 86786884
n×5 108483605

Division

n÷y
n÷2 10848360.5
n÷3 7232240.3333333
n÷3 5424180.25
n÷5 4339344.2

Exponentiation

ny
n2 470747702151841
n3 1.021368155498E+22
n4 2.2160339908124E+29
n5 4.8080671225173E+36

Nth Root

y√n
2√n 4657.9739157707
3√n 278.91039546627
4√n 68.249351028202
5√n 29.327755086505

Divisors of 21696721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21696722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10848361
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4657.9740231135
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999078202
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21696721 can be divided by 2 positive divisors. The sum of these divisors (counting 21696721) is 21696722, the average is 10848361.

Base conversion 21696721

Base System Value
2 Binary 1010010110001000011010001
3 Ternary 1111211022022021
4 Quaternary 1102301003101
5 Quinary 21023243341
6 Senary 2053011441
8 Octal 122610321
10 Decimal 21696721
12 Duodecimal 7323b81
16 Hexadecimal 14b10d1
20 Vigesimal 6fc1g1
36 Base36 cx1ap

Cryptographic Hash Functions

md5 deeb78770ecb680186958c2fd17172cb
sha1 14523f58d48b5e03ec4c3b73b9ee8c8d41e81521
sha256 5fde2b97575fff53dac3e09902cbd7a50b5687611871b1c0aa6da461068de976
sha512 4f4f448b87a43891b53d77853b8827efc16ef6063c276131d950dfb26689146eb2384400d56d5fcf3b5a631418cf5f83eeb275745e0a3444c3b54f7eff3167c2
ripemd-160 84d00b8352a17060af59c074f7907f56dd5945fc

21696721 as geometric shapes

Circle

Radius = n
Diameter 43393442
Circumference 136324518.60117
Area 1.4788975227745E+15

Sphere

Radius = n
Volume 4.2782969252306E+22
Surface area 5.915590091098E+15
Circumference 136324518.60117

Square

Length = n
Perimeter 86786884
Area 470747702151841
Diagonal 30683797.097225

Cube

Length = n
Surface area 2824486212911046
Volume 1.021368155498E+22
Space diagonal 37579823.129647

Equilateral Triangle

Length = n
Perimeter 65090163
Area 2.0383973441832E+14
Altitude 18789911.564823

Triangular Pyramid

Length = n
Surface area 2.0383973441832E+14
Volume 1.2036939147343E+21
Height 10227932.365742