20785872 (number)

20785872 is an even 8-digits composite number following 20785871 and preceding 20785873. In scientific notation, it is written as 2.0785872 × 10^7. The sum of its digits is 39. It has a total of 8 prime factors and 80 positive divisors. There are 6566400 positive integers (up to 20785872) that are relatively prime to 20785872.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-five thousand eight hundred seventy-two

Notation

Scientific notation 2.0785872 × 10^7
Engineering notation 2.0785872 × 10^6

Prime Factorization of 20785872

Prime Factorization 2 × 2 × 2 × 2 × 3 × 61 × 31 × 229

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2598234
Product of the distinct prime numbers

The prime factorization of 20785872 is 2 × 2 × 2 × 2 × 3 × 61 × 31 × 229. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20785872)

Multiplication

n×y
n×2 41571744
n×3 62357616
n×4 83143488
n×5 103929360

Division

n÷y
n÷2 10392936
n÷3 6928624
n÷3 5196468
n÷5 4157174.4

Exponentiation

ny
n2 432052474800384
n3 8.980587438484E+21
n4 1.8666934098114E+29
n5 3.8800850279583E+36

Nth Root

y√n
2√n 4559.1525528326
3√n 274.9514933729
4√n 67.521496968244
5√n 29.077271375946

Divisors of 20785872

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20785871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20785872 can be divided by 80 positive divisors. The sum of these divisors (counting 20785872) is 1, the average is 0.0125.

Base conversion 20785872

Base System Value
2 Binary 1001111010010101011010000
3 Ternary 1110010000212010
4 Quaternary 1033102223100
5 Quinary 20310121442
6 Senary 2021302520
8 Octal 117225320
10 Decimal 20785872
12 Duodecimal 6b64a40
16 Hexadecimal 13d2ad0
20 Vigesimal 69i4dc
36 Base36 cdihc

Cryptographic Hash Functions

md5 cbeb904f08454eaea2b24b0e599e4d02
sha1 57d36757ad7abc7a5dfd838680a776f408bb58cb
sha256 010595bbf5ab53f638524b14c900d078b3b8f9315435d63ddf202a97523033e6
sha512 2bb95660d1a909d846acef5dff96d91ebea085cf5f8c7388bdc042609b5285ce826ecef1c55019906465f3e439d2da20ea8c94a26877a1328dbde386351695d4
ripemd-160 4d37d998e0170108a501f93619dc456162bfc800

20785872 as geometric shapes

Circle

Radius = n
Diameter 41571744
Circumference 130601485.54732
Area 1.3573328807982E+15

Sphere

Radius = n
Volume 3.761779669555E+22
Surface area 5.4293315231927E+15
Circumference 130601485.54732

Square

Length = n
Perimeter 83143488
Area 432052474800384
Diagonal 29395662.088151

Cube

Length = n
Surface area 2592314848802304
Volume 8.980587438484E+21
Space diagonal 36002186.383623

Equilateral Triangle

Length = n
Perimeter 62357616
Area 1.8708420947253E+14
Altitude 18001093.191812

Triangular Pyramid

Length = n
Surface area 1.8708420947253E+14
Volume 1.0583723794651E+21
Height 9798554.0293837