20487729 (number)

20487729 is an odd 8-digits composite number following 20487728 and preceding 20487730. In scientific notation, it is written as 2.0487729 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13454496 positive integers (up to 20487729) that are relatively prime to 20487729.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-seven thousand seven hundred twenty-nine

Notation

Scientific notation 2.0487729 × 10^7
Engineering notation 2.0487729 × 10^6

Prime Factorization of 20487729

Prime Factorization 3 × 67 × 101929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20487729
Product of the distinct prime numbers

The prime factorization of 20487729 is 3 × 67 × 101929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20487729)

Multiplication

n×y
n×2 40975458
n×3 61463187
n×4 81950916
n×5 102438645

Division

n÷y
n÷2 10243864.5
n÷3 6829243
n÷3 5121932.25
n÷5 4097545.8

Exponentiation

ny
n2 419747039577441
n3 8.5996635954149E+21
n4 1.7618757723403E+29
n5 3.6096833355373E+36

Nth Root

y√n
2√n 4526.337260965
3√n 273.6305648585
4√n 67.278059283581
5√n 28.993374428583

Divisors of 20487729

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 -20487728
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 20487729 can be divided by 8 positive divisors. The sum of these divisors (counting 20487729) is 1, the average is 0.125.

Base conversion 20487729

Base System Value
2 Binary 1001110001001111000110001
3 Ternary 1102112212212210
4 Quaternary 1032021320301
5 Quinary 20221101404
6 Senary 2011042333
8 Octal 116117061
10 Decimal 20487729
12 Duodecimal 6a403a9
16 Hexadecimal 1389e31
20 Vigesimal 680j69
36 Base36 c74fl

Cryptographic Hash Functions

md5 d04fb546c08a304d1bf724995f886fa8
sha1 3bed6b465b4663651bd1903bce39b4e31459c395
sha256 e93bdad97fe53857eeb10b54783616f133b1c80176483bedce7b3221cf5d9f6f
sha512 5553c8fa072abee8fb2a018d1f1902a645171f5928a4ede847c95e407e6c9a0f7e88fbe6ba11b43e22006a117f0aeb8a82b077a9050a89d731b2eb936914dc37
ripemd-160 6db7f70d5aed93912396c290936936435ea34df6

20487729 as geometric shapes

Circle

Radius = n
Diameter 40975458
Circumference 128728197.83028
Area 1.3186742159026E+15

Sphere

Radius = n
Volume 3.6022186632932E+22
Surface area 5.2746968636102E+15
Circumference 128728197.83028

Square

Length = n
Perimeter 81950916
Area 419747039577441
Diagonal 28974024.214025

Cube

Length = n
Surface area 2518482237464646
Volume 8.5996635954149E+21
Space diagonal 35485787.559702

Equilateral Triangle

Length = n
Perimeter 61463187
Area 1.8175579971869E+14
Altitude 17742893.779851

Triangular Pyramid

Length = n
Surface area 1.8175579971869E+14
Volume 1.0134800740402E+21
Height 9658008.0713415