20512986 (number)

20512986 is an even 8-digits composite number following 20512985 and preceding 20512987. In scientific notation, it is written as 2.0512986 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6286464 positive integers (up to 20512986) that are relatively prime to 20512986.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand nine hundred eighty-six

Notation

Scientific notation 2.0512986 × 10^7
Engineering notation 2.0512986 × 10^6

Prime Factorization of 20512986

Prime Factorization 2 × 3 × 13 × 409 × 643

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20512986
Product of the distinct prime numbers

The prime factorization of 20512986 is 2 × 3 × 13 × 409 × 643. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512986)

Multiplication

n×y
n×2 41025972
n×3 61538958
n×4 82051944
n×5 102564930

Division

n÷y
n÷2 10256493
n÷3 6837662
n÷3 5128246.5
n÷5 4102597.2

Exponentiation

ny
n2 420782594636196
n3 8.631507472816E+21
n4 1.7705799194877E+29
n5 3.6319881100332E+36

Nth Root

y√n
2√n 4529.1264058315
3√n 273.74296139197
4√n 67.298784579155
5√n 29.00051943547

Divisors of 20512986

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 -20512985
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 20512986 can be divided by 32 positive divisors. The sum of these divisors (counting 20512986) is 1, the average is 0.03125.

Base conversion 20512986

Base System Value
2 Binary 1001110010000000011011010
3 Ternary 1102121011112020
4 Quaternary 1032100003122
5 Quinary 20222403421
6 Senary 2011355310
8 Octal 116200332
10 Decimal 20512986
12 Duodecimal 6a52b36
16 Hexadecimal 13900da
20 Vigesimal 684296
36 Base36 c7nx6

Cryptographic Hash Functions

md5 54021a55428fc295feb5fd5732b15cd6
sha1 bbae432152038d9c7fe08dd3c162f2ce9fb759bb
sha256 60cef7ee03971fce0a8afb4f4d6c16161b0fa1518592d118be38772e0c50ed14
sha512 e7734319c465d8f53750a5f001b4169b44e6d32b868a8fe06880c860cdcef4db4ba08e6ae2343f43057772502988188caa976ddd1d2f216847bcb2532564d93b
ripemd-160 8be3e87bf898d7ac05d1ffb1c3dea7dd3905bd34

20512986 as geometric shapes

Circle

Radius = n
Diameter 41025972
Circumference 128886892.24158
Area 1.3219275080675E+15

Sphere

Radius = n
Volume 3.6155573954672E+22
Surface area 5.2877100322701E+15
Circumference 128886892.24158

Square

Length = n
Perimeter 82051944
Area 420782594636196
Diagonal 29009743.005969

Cube

Length = n
Surface area 2524695567817176
Volume 8.631507472816E+21
Space diagonal 35529533.966949

Equilateral Triangle

Length = n
Perimeter 61538958
Area 1.8220420821264E+14
Altitude 17764766.983475

Triangular Pyramid

Length = n
Surface area 1.8220420821264E+14
Volume 1.0172329109818E+21
Height 9669914.3353231