20681729 (number)

20681729 is an odd 8-digits composite number following 20681728 and preceding 20681730. In scientific notation, it is written as 2.0681729 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20634180 positive integers (up to 20681729) that are relatively prime to 20681729.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand seven hundred twenty-nine

Notation

Scientific notation 2.0681729 × 10^7
Engineering notation 2.0681729 × 10^6

Prime Factorization of 20681729

Prime Factorization 439 × 47111

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20681729
Product of the distinct prime numbers

The prime factorization of 20681729 is 439 × 47111. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681729)

Multiplication

n×y
n×2 41363458
n×3 62045187
n×4 82726916
n×5 103408645

Division

n÷y
n÷2 10340864.5
n÷3 6893909.6666667
n÷3 5170432.25
n÷5 4136345.8

Exponentiation

ny
n2 427733914429441
n3 8.8462769023389E+21
n4 1.8295630155313E+29
n5 3.7838526475642E+36

Nth Root

y√n
2√n 4547.7168997201
3√n 274.49152984858
4√n 67.436762227439
5√n 29.048075762509

Divisors of 20681729

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681728
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681729 can be divided by 4 positive divisors. The sum of these divisors (counting 20681729) is 1, the average is 0.25.

Base conversion 20681729

Base System Value
2 Binary 1001110111001010000000001
3 Ternary 1102220201222222
4 Quaternary 1032321100001
5 Quinary 20243303404
6 Senary 2015140425
8 Octal 116712001
10 Decimal 20681729
12 Duodecimal 6b14715
16 Hexadecimal 13b9401
20 Vigesimal 695469
36 Base36 cba4h

Cryptographic Hash Functions

md5 3723130bb3bd0ec552e74fc52d4f6325
sha1 5d1224a29dd0283f309aef0db91663decec49b96
sha256 735483c22f83814520052de6b8fe9f45158c7b8ca89be88125604884437213e3
sha512 683135a2bbb7a5dee0c762c4a38af287b880c439a332e34098f1ae3d5a4c3024632c53a60cad95db5b46d1445ffba03d12a7b7425c84bfc75b3d0fc70875d9b7
ripemd-160 5a994b4dd347b3b2ea6afc5b77a1e5bd75aec07f

20681729 as geometric shapes

Circle

Radius = n
Diameter 41363458
Circumference 129947135.77987
Area 1.3437657232627E+15

Sphere

Radius = n
Volume 3.7055198037345E+22
Surface area 5.3750628930509E+15
Circumference 129947135.77987

Square

Length = n
Perimeter 82726916
Area 427733914429441
Diagonal 29248381.645125

Cube

Length = n
Surface area 2566403486576646
Volume 8.8462769023389E+21
Space diagonal 35821805.416371

Equilateral Triangle

Length = n
Perimeter 62045187
Area 1.8521421797803E+14
Altitude 17910902.708185

Triangular Pyramid

Length = n
Surface area 1.8521421797803E+14
Volume 1.042543730983E+21
Height 9749460.548375