20686872 (number)

20686872 is an even 8-digits composite number following 20686871 and preceding 20686873. In scientific notation, it is written as 2.0686872 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors. There are 6878880 positive integers (up to 20686872) that are relatively prime to 20686872.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand eight hundred seventy-two

Notation

Scientific notation 2.0686872 × 10^7
Engineering notation 2.0686872 × 10^6

Prime Factorization of 20686872

Prime Factorization 2 × 2 × 2 × 3 × 563 × 1531

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5171718
Product of the distinct prime numbers

The prime factorization of 20686872 is 2 × 2 × 2 × 3 × 563 × 1531. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686872)

Multiplication

n×y
n×2 41373744
n×3 62060616
n×4 82747488
n×5 103434360

Division

n÷y
n÷2 10343436
n÷3 6895624
n÷3 5171718
n÷5 4137374.4

Exponentiation

ny
n2 427946673144384
n3 8.8528780501637E+21
n4 1.8313835505535E+29
n5 3.7885597093205E+36

Nth Root

y√n
2√n 4548.2823131376
3√n 274.51428089511
4√n 67.440954272145
5√n 29.04952031674

Divisors of 20686872

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20686871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686872 can be divided by 32 positive divisors. The sum of these divisors (counting 20686872) is 1, the average is 0.03125.

Base conversion 20686872

Base System Value
2 Binary 1001110111010100000011000
3 Ternary 1102221000001110
4 Quaternary 1032322200120
5 Quinary 20243434442
6 Senary 2015220320
8 Octal 116724030
10 Decimal 20686872
12 Duodecimal 6b176a0
16 Hexadecimal 13ba818
20 Vigesimal 695h3c
36 Base36 cbe3c

Cryptographic Hash Functions

md5 62e3346608a739496a6c135ff0c9b19b
sha1 9a59b22873e71b6dcaeefec57c4d8ed138f7e2fc
sha256 df8f5a6598cd850de4a29a8588298144ce48c4373d36a9966a803802db9ce18d
sha512 7b3ff8504dbc0c65392635ab4b634d2efe307798a5fc4f21893c3f47632946027ab90e232739acfb18280fb15c91099419db1f72410b9a24b4435f873225c1a9
ripemd-160 658955aacb48ae94a821ff8a2124e7840fa557f5

20686872 as geometric shapes

Circle

Radius = n
Diameter 41373744
Circumference 129979450.2019
Area 1.3444341244786E+15

Sphere

Radius = n
Volume 3.7082848860694E+22
Surface area 5.3777364979144E+15
Circumference 129979450.2019

Square

Length = n
Perimeter 82747488
Area 427946673144384
Diagonal 29255654.945476

Cube

Length = n
Surface area 2567680038866304
Volume 8.8528780501637E+21
Space diagonal 35830713.353674

Equilateral Triangle

Length = n
Perimeter 62060616
Area 1.8530634520404E+14
Altitude 17915356.676837

Triangular Pyramid

Length = n
Surface area 1.8530634520404E+14
Volume 1.0433216837147E+21
Height 9751884.9818254