20808864 (number)

20808864 is an even 8-digits composite number following 20808863 and preceding 20808865. In scientific notation, it is written as 2.0808864 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 24 positive divisors. There are 6936192 positive integers (up to 20808864) that are relatively prime to 20808864.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand eight hundred sixty-four

Notation

Scientific notation 2.0808864 × 10^7
Engineering notation 2.0808864 × 10^6

Prime Factorization of 20808864

Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 72253

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1300554
Product of the distinct prime numbers

The prime factorization of 20808864 is 2 × 2 × 2 × 2 × 2 × 9 × 72253. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 7, 22, 93, 54, 998, 9180, 855, 46939, 15819, 762386, 197871, 2902630, 3755054, 45968936, 5465155, 476052986, 3809529, 8277567664, 4135907256

Basic calculations (n = 20808864)

Multiplication

n×y
n×2 41617728
n×3 62426592
n×4 83235456
n×5 104044320

Division

n÷y
n÷2 10404432
n÷3 6936288
n÷3 5202216
n÷5 4161772.8

Exponentiation

ny
n2 433008820970496
n3 9.0104216663754E+21
n4 1.8749663903826E+29
n5 3.9015920622042E+36

Nth Root

y√n
2√n 4561.673377172
3√n 275.05283392585
4√n 67.540161216657
5√n 29.083701214628

Divisors of 20808864

1, 2, 4, 8, 9, 16, 18, 32, 36, 72, 144, 288, 72253, 144506, 289012, 578024, 650277, 1156048, 1300554, 2312096, 2601108, 5202216, 10404432, 20808864

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808864 can be divided by 24 positive divisors. The sum of these divisors (counting 20808864) is 1, the average is 0.041666666666667.

Base conversion 20808864

Base System Value
2 Binary 1001111011000010010100000
3 Ternary 1110011012101200
4 Quaternary 1033120102200
5 Quinary 20311340424
6 Senary 2022001200
8 Octal 117302240
10 Decimal 20808864
12 Duodecimal 6b76200
16 Hexadecimal 13d84a0
20 Vigesimal 6a1234
36 Base36 ce080

Cryptographic Hash Functions

md5 f5be294922c3f3409fb8ecac29d81334
sha1 5694de6f7aa5809d8ff82f35247cb94158a80568
sha256 ef70fd0fcc87da2c5452de2bc44e3a57fe0fdbf37975ff7b65bc28295b3f7302
sha512 6ea4f4776ef48988ed88be1ecd05ea4e26efebf15f1b8fdb6a2762cf1cead8d06b36558bc16242c3ef9b960f0faa175ba5239b61df46230667acf15f7b0fcd80
ripemd-160 964764c0c010629ee042a81f82097a122d6dabe4

20808864 as geometric shapes

Circle

Radius = n
Diameter 41617728
Circumference 130745948.5439
Area 1.3603373309005E+15

Sphere

Radius = n
Volume 3.7742766017108E+22
Surface area 5.441349323602E+15
Circumference 130745948.5439

Square

Length = n
Perimeter 83235456
Area 433008820970496
Diagonal 29428177.686377

Cube

Length = n
Surface area 2598052925822976
Volume 9.0104216663754E+21
Space diagonal 36042009.695791

Equilateral Triangle

Length = n
Perimeter 62426592
Area 1.874983195116E+14
Altitude 18021004.847895

Triangular Pyramid

Length = n
Surface area 1.874983195116E+14
Volume 1.0618883769407E+21
Height 9809392.5621258