20451729 (number)

20451729 is an odd 8-digits composite number following 20451728 and preceding 20451730. In scientific notation, it is written as 2.0451729 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13634484 positive integers (up to 20451729) that are relatively prime to 20451729.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand seven hundred twenty-nine

Notation

Scientific notation 2.0451729 × 10^7
Engineering notation 2.0451729 × 10^6

Prime Factorization of 20451729

Prime Factorization 3 × 6817243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20451729
Product of the distinct prime numbers

The prime factorization of 20451729 is 3 × 6817243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451729)

Multiplication

n×y
n×2 40903458
n×3 61355187
n×4 81806916
n×5 102258645

Division

n÷y
n÷2 10225864.5
n÷3 6817243
n÷3 5112932.25
n÷5 4090345.8

Exponentiation

ny
n2 418273219089441
n3 8.5544105247749E+21
n4 1.7495248580744E+29
n5 3.5780808276102E+36

Nth Root

y√n
2√n 4522.3587871818
3√n 273.47020096961
4√n 67.2484853895
5√n 28.983178121596

Divisors of 20451729

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 -20451728
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 20451729 can be divided by 4 positive divisors. The sum of these divisors (counting 20451729) is 1, the average is 0.25.

Base conversion 20451729

Base System Value
2 Binary 1001110000001000110010001
3 Ternary 1102111001111110
4 Quaternary 1032001012101
5 Quinary 20213423404
6 Senary 2010203533
8 Octal 116010621
10 Decimal 20451729
12 Duodecimal 6a235a9
16 Hexadecimal 1381191
20 Vigesimal 67g969
36 Base36 c6cnl

Cryptographic Hash Functions

md5 5d2e72ab5090718c2b81d5a5c1060aa9
sha1 97c6bcc99da8ab822cbf6581096cfafd77b51a96
sha256 8c749b6798877efbaf82191900ccbc11b72c7472e12e972d76c9844760156c1f
sha512 9e4df39e4fb13b6e17f7fc205f20dd4c0b2debd38d4977a82a5e7c383e130de0677bed635ce6398d67bce0533df40579281766080eac32b447bc399c9368a061
ripemd-160 50472733429b94905134b5f67a25c254700400a7

20451729 as geometric shapes

Circle

Radius = n
Diameter 40903458
Circumference 128502003.15922
Area 1.3140440722847E+15

Sphere

Radius = n
Volume 3.5832631013899E+22
Surface area 5.256176289139E+15
Circumference 128502003.15922

Square

Length = n
Perimeter 81806916
Area 418273219089441
Diagonal 28923112.525779

Cube

Length = n
Surface area 2509639314536646
Volume 8.5544105247749E+21
Space diagonal 35423433.73063

Equilateral Triangle

Length = n
Perimeter 61355187
Area 1.8111761672708E+14
Altitude 17711716.865315

Triangular Pyramid

Length = n
Surface area 1.8111761672708E+14
Volume 1.0081469485203E+21
Height 9641037.508593