21096721 (number)

21096721 is an odd 8-digits composite number following 21096720 and preceding 21096722. In scientific notation, it is written as 2.1096721 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21086244 positive integers (up to 21096721) that are relatively prime to 21096721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1096721 × 10^7
Engineering notation 2.1096721 × 10^6

Prime Factorization of 21096721

Prime Factorization 7759 × 2719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21096721
Product of the distinct prime numbers

The prime factorization of 21096721 is 7759 × 2719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 83, 21, 888, 783, 3432, 9590, 47663, 68136, 220107, 959378, 778758, 9671048, 14723949, 74835623, 83517860, 36895838, 3044034025, 1089761991

Basic calculations (n = 21096721)

Multiplication

n×y
n×2 42193442
n×3 63290163
n×4 84386884
n×5 105483605

Division

n÷y
n÷2 10548360.5
n÷3 7032240.3333333
n÷3 5274180.25
n÷5 4219344.2

Exponentiation

ny
n2 445071636951841
n3 9.3895521497863E+21
n4 1.9808876201899E+29
n5 4.1790233455501E+36

Nth Root

y√n
2√n 4593.1166978425
3√n 276.31533394618
4√n 67.7725364572
5√n 29.163724831991

Divisors of 21096721

1, 2719, 7759, 21096721

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 -21096720
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 21096721 can be divided by 4 positive divisors. The sum of these divisors (counting 21096721) is 1, the average is 0.25.

Base conversion 21096721

Base System Value
2 Binary 1010000011110100100010001
3 Ternary 1110200211021001
4 Quaternary 1100132210101
5 Quinary 20400043341
6 Senary 2032102001
8 Octal 120364421
10 Decimal 21096721
12 Duodecimal 7094901
16 Hexadecimal 141e911
20 Vigesimal 6bh1g1
36 Base36 ck6c1

Cryptographic Hash Functions

md5 d94d1599c9d3c9fd24a70daefe709b05
sha1 65250f11bbc602e78f3e76abdcb86ff3d7f514e2
sha256 c086549d7c00362d77616160681e5b97e6781a9c19a783b15abd720c2ef02261
sha512 5964b6762f46b05a2daf5fcdc7776dcc361748bace24819a1e1d3888c76c6d031afd5828252f24644193cf5781567c70059a29d3b2be6b52a6554adc5d3c846b
ripemd-160 2875d445d13be9dd3b61dc3ca24b1310df266dea

21096721 as geometric shapes

Circle

Radius = n
Diameter 42193442
Circumference 132554607.41687
Area 1.3982337849691E+15

Sphere

Radius = n
Volume 3.9330864072356E+22
Surface area 5.5929351398763E+15
Circumference 132554607.41687

Square

Length = n
Perimeter 84386884
Area 445071636951841
Diagonal 29835268.959801

Cube

Length = n
Surface area 2670429821711046
Volume 9.3895521497863E+21
Space diagonal 36540592.645105

Equilateral Triangle

Length = n
Perimeter 63290163
Area 1.9272167205211E+14
Altitude 18270296.322553

Triangular Pyramid

Length = n
Surface area 1.9272167205211E+14
Volume 1.1065693329031E+21
Height 9945089.6532671