21005738 (number)

21005738 is an even 8-digits composite number following 21005737 and preceding 21005739. In scientific notation, it is written as 2.1005738 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 9593856 positive integers (up to 21005738) that are relatively prime to 21005738.

Interesting facts

Basic properties

Name

Name twenty-one million five thousand seven hundred thirty-eight

Notation

Scientific notation 2.1005738 × 10^7
Engineering notation 2.1005738 × 10^6

Prime Factorization of 21005738

Prime Factorization 2 × 13 × 97 × 8329

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21005738
Product of the distinct prime numbers

The prime factorization of 21005738 is 2 × 13 × 97 × 8329. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 80, 25, 947, 381, 5661, 5583, 52695, 22836, 657566, 589092, 9052557, 1431767, 25544276, 78536682, 547456737, 805472504, 3423216141, 3238350178

Basic calculations (n = 21005738)

Multiplication

n×y
n×2 42011476
n×3 63017214
n×4 84022952
n×5 105028690

Division

n÷y
n÷2 10502869
n÷3 7001912.6666667
n÷3 5251434.5
n÷5 4201147.6

Exponentiation

ny
n2 441241028924644
n3 9.2685934484415E+21
n4 1.9469364560648E+29
n5 4.0896837098745E+36

Nth Root

y√n
2√n 4583.2017193224
3√n 275.91754345604
4√n 67.699347997765
5√n 29.138526675865

Divisors of 21005738

1, 2, 13, 26, 97, 194, 1261, 2522, 8329, 16658, 108277, 216554, 807913, 1615826, 10502869, 21005738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21005737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21005738 can be divided by 16 positive divisors. The sum of these divisors (counting 21005738) is 1, the average is 0.0625.

Base conversion 21005738

Base System Value
2 Binary 1010000001000010110101010
3 Ternary 1110112012110022
4 Quaternary 1100020112222
5 Quinary 20334140423
6 Senary 2030120442
8 Octal 120102652
10 Decimal 21005738
12 Duodecimal 7050122
16 Hexadecimal 14085aa
20 Vigesimal 6b5e6i
36 Base36 ci84q

Cryptographic Hash Functions

md5 8fd11c226b1859312779bbfe57a2391f
sha1 823eac2d0fa64e0d2df840d52e607a2ffbf5e28a
sha256 7c93c5277c99a562a07e9ff49b02797b7a26d3099f66ce51120e84a1a702ea08
sha512 effd9ecd30a4674e93c7bbd72c014b932f5f4449cab93b064f23d99ec8203b367e81a248ac9d5e2c8b3a8ba0aa6db2c450100331561a46d85fcbb1f3fd3d71a8
ripemd-160 69288759c423238d46e083698e95dc399c3ee926

21005738 as geometric shapes

Circle

Radius = n
Diameter 42011476
Circumference 131982944.36806
Area 1.3861995749321E+15

Sphere

Radius = n
Volume 3.8824193448979E+22
Surface area 5.5447982997283E+15
Circumference 131982944.36806

Square

Length = n
Perimeter 84022952
Area 441241028924644
Diagonal 29706599.567256

Cube

Length = n
Surface area 2647446173547864
Volume 9.2685934484415E+21
Space diagonal 36383005.46648

Equilateral Triangle

Length = n
Perimeter 63017214
Area 1.9106297012036E+14
Altitude 18191502.73324

Triangular Pyramid

Length = n
Surface area 1.9106297012036E+14
Volume 1.0923142132424E+21
Height 9902199.855752