20685513 (number)

20685513 is an odd 8-digits composite number following 20685512 and preceding 20685514. In scientific notation, it is written as 2.0685513 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13584384 positive integers (up to 20685513) that are relatively prime to 20685513.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685513 × 10^7
Engineering notation 2.0685513 × 10^6

Prime Factorization of 20685513

Prime Factorization 3 × 67 × 102913

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20685513
Product of the distinct prime numbers

The prime factorization of 20685513 is 3 × 67 × 102913. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685513)

Multiplication

n×y
n×2 41371026
n×3 62056539
n×4 82742052
n×5 103427565

Division

n÷y
n÷2 10342756.5
n÷3 6895171
n÷3 5171378.25
n÷5 4137102.6

Exponentiation

ny
n2 427890448073169
n3 8.8511334261934E+21
n4 1.8309023555226E+29
n5 3.7873154476893E+36

Nth Root

y√n
2√n 4548.1329136251
3√n 274.50826946465
4√n 67.439846631091
5√n 29.049138631819

Divisors of 20685513

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685512
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685513 can be divided by 8 positive divisors. The sum of these divisors (counting 20685513) is 1, the average is 0.125.

Base conversion 20685513

Base System Value
2 Binary 1001110111010001011001001
3 Ternary 1102220221012010
4 Quaternary 1032322023021
5 Quinary 20243414023
6 Senary 2015210133
8 Octal 116721311
10 Decimal 20685513
12 Duodecimal 6b16949
16 Hexadecimal 13ba2c9
20 Vigesimal 695dfd
36 Base36 cbd1l

Cryptographic Hash Functions

md5 7f24cf44b8640ae27b6edcd50f5a7f53
sha1 636de801842b7277e3b88adf6b695e4b3b99a16b
sha256 74e92b0ea611b9ee7c883f91601bacde59f7eb43d5bc38d6a8841a340084014d
sha512 297c39970f43654cfec5b71ffddc759116b12d4d18cdf6fd217c0542d1299a93490b75cb000294f5e537986007934b11e985ffd44906a7595e6bc3015f5201aa
ripemd-160 3315c710d51cc0a40ca678269b05044d54e58300

20685513 as geometric shapes

Circle

Radius = n
Diameter 41371026
Circumference 129970911.35307
Area 1.3442574882079E+15

Sphere

Radius = n
Volume 3.7075540996896E+22
Surface area 5.3770299528316E+15
Circumference 129970911.35307

Square

Length = n
Perimeter 82742052
Area 427890448073169
Diagonal 29253733.029245

Cube

Length = n
Surface area 2567342688439014
Volume 8.8511334261934E+21
Space diagonal 35828359.496627

Equilateral Triangle

Length = n
Perimeter 62056539
Area 1.8528199903404E+14
Altitude 17914179.748313

Triangular Pyramid

Length = n
Surface area 1.8528199903404E+14
Volume 1.043116077808E+21
Height 9751244.3430817