20685213 (number)

20685213 is an odd 8-digits composite number following 20685212 and preceding 20685214. In scientific notation, it is written as 2.0685213 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13723560 positive integers (up to 20685213) that are relatively prime to 20685213.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand two hundred thirteen

Notation

Scientific notation 2.0685213 × 10^7
Engineering notation 2.0685213 × 10^6

Prime Factorization of 20685213

Prime Factorization 9 × 9 × 263 × 971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2298357
Product of the distinct prime numbers

The prime factorization of 20685213 is 9 × 9 × 263 × 971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 70, 35, 230, 13, 7056, 2330, 73663, 52277, 361236, 21601, 1202298, 2027659, 14659431, 29531632, 589378049, 273467816, 1099806076, 1766588208

Basic calculations (n = 20685213)

Multiplication

n×y
n×2 41370426
n×3 62055639
n×4 82740852
n×5 103426065

Division

n÷y
n÷2 10342606.5
n÷3 6895071
n÷3 5171303.25
n÷5 4137042.6

Exponentiation

ny
n2 427878036855369
n3 8.8507483303752E+21
n4 1.830796144232E+29
n5 3.7870408203019E+36

Nth Root

y√n
2√n 4548.099932939
3√n 274.50694240258
4√n 67.439602111364
5√n 29.049054371959

Divisors of 20685213

1, 9, 81, 263, 971, 2367, 8739, 21303, 78651, 255373, 2298357, 20685213

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685212
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685213 can be divided by 12 positive divisors. The sum of these divisors (counting 20685213) is 1, the average is 0.083333333333333.

Base conversion 20685213

Base System Value
2 Binary 1001110111010000110011101
3 Ternary 1102220220210000
4 Quaternary 1032322012131
5 Quinary 20243411323
6 Senary 2015204513
8 Octal 116720635
10 Decimal 20685213
12 Duodecimal 6b16739
16 Hexadecimal 13ba19d
20 Vigesimal 695d0d
36 Base36 cbct9

Cryptographic Hash Functions

md5 35f5078b4edd2c02f3f7b84545d39df9
sha1 57bff53e1b27cbcca6c18f366c6f107155f44867
sha256 bb781561d665a6ffb32c833eb5c7b13649abce8fed9d7ee3e3854db9f5ff79cb
sha512 fd216c308c839675d2ac3ad2a3da27f42bb294fc62075fc632291ca04476dcdd77e7f8ec13e88c26ba058fe0dda8f8f8a7ed5247feb62c388a20452e6efd0c53
ripemd-160 a57197beedd6c2dcf24872c4e5eb359b3e03ea4a

20685213 as geometric shapes

Circle

Radius = n
Diameter 41370426
Circumference 129969026.39748
Area 1.3442184972172E+15

Sphere

Radius = n
Volume 3.7073927911305E+22
Surface area 5.376873988869E+15
Circumference 129969026.39748

Square

Length = n
Perimeter 82740852
Area 427878036855369
Diagonal 29253308.765176

Cube

Length = n
Surface area 2567268221132214
Volume 8.8507483303752E+21
Space diagonal 35827839.881384

Equilateral Triangle

Length = n
Perimeter 62055639
Area 1.8527662481908E+14
Altitude 17913919.940692

Triangular Pyramid

Length = n
Surface area 1.8527662481908E+14
Volume 1.0430706938306E+21
Height 9751102.9217254