21082986 (number)

21082986 is an even 8-digits composite number following 21082985 and preceding 21082987. In scientific notation, it is written as 2.1082986 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6863976 positive integers (up to 21082986) that are relatively prime to 21082986.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand nine hundred eighty-six

Notation

Scientific notation 2.1082986 × 10^7
Engineering notation 2.1082986 × 10^6

Prime Factorization of 21082986

Prime Factorization 2 × 9 × 43 × 27239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21082986
Product of the distinct prime numbers

The prime factorization of 21082986 is 2 × 9 × 43 × 27239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 47, 4, 976, 311, 5231, 4681, 30607, 70276, 531391, 263987, 2875278, 3853757, 52359875, 28482694, 88163041, 436870383, 2889088354, 9345787802

Basic calculations (n = 21082986)

Multiplication

n×y
n×2 42165972
n×3 63248958
n×4 84331944
n×5 105414930

Division

n÷y
n÷2 10541493
n÷3 7027662
n÷3 5270746.5
n÷5 4216597.2

Exponentiation

ny
n2 444492298676196
n3 9.3712249100981E+21
n4 1.9757340358245E+29
n5 4.1654373017011E+36

Nth Root

y√n
2√n 4591.6212822923
3√n 276.2553559836
4√n 67.761502951841
5√n 29.159926439663

Divisors of 21082986

1, 2, 9, 18, 43, 86, 387, 774, 27239, 54478, 245151, 490302, 1171277, 2342554, 10541493, 21082986

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 -21082985
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 21082986 can be divided by 16 positive divisors. The sum of these divisors (counting 21082986) is 1, the average is 0.0625.

Base conversion 21082986

Base System Value
2 Binary 1010000011011001101101010
3 Ternary 1110200010102100
4 Quaternary 1100123031222
5 Quinary 20344123421
6 Senary 2031514230
8 Octal 120331552
10 Decimal 21082986
12 Duodecimal 7088976
16 Hexadecimal 141b36a
20 Vigesimal 6bf796
36 Base36 cjvqi

Cryptographic Hash Functions

md5 1b6715c3776bb29cb95d9ba64d74ad50
sha1 6cdf813ba58501bd3926a3aa7eb5c4c3fd25ca95
sha256 e76a63c54adb4155dfd42ac2645e04f77d775c770fe4411cf269405779cd043a
sha512 8ee305be905c8da269974726131cf9946d397fb7f691fce321e908d21c935d108a9b4f144beaaf8b434b9e68bc58e42bd28d3f7a49f6661e8d2e23c24bd500c9
ripemd-160 48384a692f32fb21c1b84d2aeaec51fef1c59215

21082986 as geometric shapes

Circle

Radius = n
Diameter 42165972
Circumference 132468307.86667
Area 1.3964137400984E+15

Sphere

Radius = n
Volume 3.9254095110269E+22
Surface area 5.5856549603935E+15
Circumference 132468307.86667

Square

Length = n
Perimeter 84331944
Area 444492298676196
Diagonal 29815844.736522

Cube

Length = n
Surface area 2666953792057176
Volume 9.3712249100981E+21
Space diagonal 36516802.927263

Equilateral Triangle

Length = n
Perimeter 63248958
Area 1.9247081122006E+14
Altitude 18258401.463632

Triangular Pyramid

Length = n
Surface area 1.9247081122006E+14
Volume 1.1044094469924E+21
Height 9938614.912174