20665890 (number)

20665890 is an even 8-digits composite number following 20665889 and preceding 20665891. In scientific notation, it is written as 2.0665890 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 4723488 positive integers (up to 20665890) that are relatively prime to 20665890.

Interesting facts

Basic properties

Name

Name twenty million six hundred sixty-five thousand eight hundred ninety

Notation

Scientific notation 2.0665890 × 10^7
Engineering notation 2.0665890 × 10^6

Prime Factorization of 20665890

Prime Factorization 2 × 105 × 3 × 32803

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20665890
Product of the distinct prime numbers

The prime factorization of 20665890 is 2 × 105 × 3 × 32803. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 24, 57, 933, 257, 3268, 7572, 14255, 3842, 590862, 628240, 2894608, 6081306, 21425204, 36900709, 343528784, 708453916, 4211012404, 1673586524

Basic calculations (n = 20665890)

Multiplication

n×y
n×2 41331780
n×3 61997670
n×4 82663560
n×5 103329450

Division

n÷y
n÷2 10332945
n÷3 6888630
n÷3 5166472.5
n÷5 4133178

Exponentiation

ny
n2 427079009492100
n3 8.8259678314727E+21
n4 1.8239648034875E+29
n5 3.7693855992745E+36

Nth Root

y√n
2√n 4545.9751429149
3√n 274.42143929193
4√n 67.423846989881
5√n 29.043625133834

Divisors of 20665890

1, 2, 3, 6, 105, 210, 315, 630, 32803, 65606, 98409, 196818, 3444315, 6888630, 10332945, 20665890

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 -20665889
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 20665890 can be divided by 16 positive divisors. The sum of these divisors (counting 20665890) is 1, the average is 0.0625.

Base conversion 20665890

Base System Value
2 Binary 1001110110101011000100010
3 Ternary 1102212221021100
4 Quaternary 1032311120202
5 Quinary 20242302030
6 Senary 2014535230
8 Octal 116653042
10 Decimal 20665890
12 Duodecimal 6b07516
16 Hexadecimal 13b5622
20 Vigesimal 6934ea
36 Base36 caxwi

Cryptographic Hash Functions

md5 1b351c9da6ab0fdc6b1e6215658e920c
sha1 7373ef9f6deeceb436ebf7e910a05610e7fa8757
sha256 73473b6c36ee256e5159ead6c040c11d3e707df22cf890f23b6ece676cf1fd9e
sha512 62731f5107a9e446d22fbc31a30217b3d6253bd5d5cbe7b6a5257bce7ee61f2e4f77fae36b847966f949b4984fa97afc1ca7dc0d0698ec4c95cf7cef81354726
ripemd-160 361681c5d2ba3b6eefdbac6fa4e778f2a5716384

20665890 as geometric shapes

Circle

Radius = n
Diameter 41331780
Circumference 129847616.40779
Area 1.3417082787228E+15

Sphere

Radius = n
Volume 3.6970127600233E+22
Surface area 5.3668331148911E+15
Circumference 129847616.40779

Square

Length = n
Perimeter 82663560
Area 427079009492100
Diagonal 29225981.916511

Cube

Length = n
Surface area 2562474056952600
Volume 8.8259678314727E+21
Space diagonal 35794371.46363

Equilateral Triangle

Length = n
Perimeter 61997670
Area 1.8493063582163E+14
Altitude 17897185.731815

Triangular Pyramid

Length = n
Surface area 1.8493063582163E+14
Volume 1.0401502840281E+21
Height 9741993.9721702