20681664 (number)

20681664 is an even 8-digits composite number following 20681663 and preceding 20681665. In scientific notation, it is written as 2.0681664 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 28 positive divisors. There are 6893824 positive integers (up to 20681664) that are relatively prime to 20681664.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand six hundred sixty-four

Notation

Scientific notation 2.0681664 × 10^7
Engineering notation 2.0681664 × 10^6

Prime Factorization of 20681664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 107717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 646302
Product of the distinct prime numbers

The prime factorization of 20681664 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 107717. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681664)

Multiplication

n×y
n×2 41363328
n×3 62044992
n×4 82726656
n×5 103408320

Division

n÷y
n÷2 10340832
n÷3 6893888
n÷3 5170416
n÷5 4136332.8

Exponentiation

ny
n2 427731225808896
n3 8.8461934944877E+21
n4 1.8295400153198E+29
n5 3.7837931871399E+36

Nth Root

y√n
2√n 4547.7097532714
3√n 274.49124228449
4√n 67.43670924112
5√n 29.048057503617

Divisors of 20681664

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681664 can be divided by 28 positive divisors. The sum of these divisors (counting 20681664) is 1, the average is 0.035714285714286.

Base conversion 20681664

Base System Value
2 Binary 1001110111001001111000000
3 Ternary 1102220201220120
4 Quaternary 1032321033000
5 Quinary 20243303124
6 Senary 2015140240
8 Octal 116711700
10 Decimal 20681664
12 Duodecimal 6b14680
16 Hexadecimal 13b93c0
20 Vigesimal 695434
36 Base36 cba2o

Cryptographic Hash Functions

md5 431cab595636eaec3e49f2bdf425a760
sha1 78c92e25b9d8b0677fe98a9b6c603a2a3b5a118f
sha256 9f8f755e4da5660c00035c9372fd181397390812ac5215f8f30df0d66bc495cc
sha512 2693c0736cbc71a182f042d8d1d25250e8e17f2044a62791da5159213604c471797ecc6d4dd19794b5931b9957c1d7d4ef08dbcd4998d14847c60ab6ab11e0b2
ripemd-160 370b3c055b654e9325fab7362002296586f2ae27

20681664 as geometric shapes

Circle

Radius = n
Diameter 41363328
Circumference 129946727.37282
Area 1.3437572767122E+15

Sphere

Radius = n
Volume 3.7054848659355E+22
Surface area 5.3750291068487E+15
Circumference 129946727.37282

Square

Length = n
Perimeter 82726656
Area 427731225808896
Diagonal 29248289.721243

Cube

Length = n
Surface area 2566387354853376
Volume 8.8461934944877E+21
Space diagonal 35821692.833068

Equilateral Triangle

Length = n
Perimeter 62044992
Area 1.8521305377118E+14
Altitude 17910846.416534

Triangular Pyramid

Length = n
Surface area 1.8521305377118E+14
Volume 1.0425339012734E+21
Height 9749429.9070811