20809512 (number)

20809512 is an even 8-digits composite number following 20809511 and preceding 20809513. In scientific notation, it is written as 2.0809512 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors. There are 6936480 positive integers (up to 20809512) that are relatively prime to 20809512.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand five hundred twelve

Notation

Scientific notation 2.0809512 × 10^7
Engineering notation 2.0809512 × 10^6

Prime Factorization of 20809512

Prime Factorization 2 × 2 × 2 × 3 × 3 × 289021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1734126
Product of the distinct prime numbers

The prime factorization of 20809512 is 2 × 2 × 2 × 3 × 3 × 289021. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 6, 77, 85, 985, 28, 3496, 2022, 4960, 68664, 202139, 768865, 9736858, 1949861, 3973408, 16097933, 608498149, 856534689, 480467311, 9895722721

Basic calculations (n = 20809512)

Multiplication

n×y
n×2 41619024
n×3 62428536
n×4 83238048
n×5 104047560

Division

n÷y
n÷2 10404756
n÷3 6936504
n÷3 5202378
n÷5 4161902.4

Exponentiation

ny
n2 433035789678144
n3 9.0112634617368E+21
n4 1.8751999514217E+29
n5 3.902199589151E+36

Nth Root

y√n
2√n 4561.7444031861
3√n 275.0556889974
4√n 67.540687020389
5√n 29.08388234901

Divisors of 20809512

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289021, 578042, 867063, 1156084, 1734126, 2312168, 2601189, 3468252, 5202378, 6936504, 10404756, 20809512

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 -20809511
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 20809512 can be divided by 24 positive divisors. The sum of these divisors (counting 20809512) is 1, the average is 0.041666666666667.

Base conversion 20809512

Base System Value
2 Binary 1001111011000011100101000
3 Ternary 1110011020021200
4 Quaternary 1033120130220
5 Quinary 20311401022
6 Senary 2022004200
8 Octal 117303450
10 Decimal 20809512
12 Duodecimal 6b76660
16 Hexadecimal 13d8728
20 Vigesimal 6a13fc
36 Base36 ce0q0

Cryptographic Hash Functions

md5 cc3e9f0859df3866940e270fb31e5df5
sha1 82bd41776d26520c8a6cbf257b00fa906326392d
sha256 245a800a7a59f98ee2132b7c7c783264790565ecc7c3ba2ea64037490367896b
sha512 ec407f0a57079987167c0d89b47f7296f12cfee02135489ec766413b45431865bc6ccb1410e8c164fc6437e1c262387d1ed7eddfaf30ad110d8be3f21a804da2
ripemd-160 ff6e4954d968a4a9ce811b54697fca0cf8da94f5

20809512 as geometric shapes

Circle

Radius = n
Diameter 41619024
Circumference 130750020.04798
Area 1.3604220555943E+15

Sphere

Radius = n
Volume 3.7746292121273E+22
Surface area 5.4416882223772E+15
Circumference 130750020.04798

Square

Length = n
Perimeter 83238048
Area 433035789678144
Diagonal 29429094.096766

Cube

Length = n
Surface area 2598214738068864
Volume 9.0112634617368E+21
Space diagonal 36043132.064714

Equilateral Triangle

Length = n
Perimeter 62428536
Area 1.8750999730456E+14
Altitude 18021566.032357

Triangular Pyramid

Length = n
Surface area 1.8750999730456E+14
Volume 1.0619875834754E+21
Height 9809698.0322552