20457729 (number)

20457729 is an odd 8-digits composite number following 20457728 and preceding 20457730. In scientific notation, it is written as 2.0457729 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13305600 positive integers (up to 20457729) that are relatively prime to 20457729.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0457729 × 10^7
Engineering notation 2.0457729 × 10^6

Prime Factorization of 20457729

Prime Factorization 9 × 41 × 55441

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20457729
Product of the distinct prime numbers

The prime factorization of 20457729 is 9 × 41 × 55441. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20457729)

Multiplication

n×y
n×2 40915458
n×3 61373187
n×4 81830916
n×5 102288645

Division

n÷y
n÷2 10228864.5
n÷3 6819243
n÷3 5114432.25
n÷5 4091545.8

Exponentiation

ny
n2 418518675837441
n3 8.5619416517212E+21
n4 1.7515788202473E+29
n5 3.5833324826758E+36

Nth Root

y√n
2√n 4523.0221091655
3√n 273.49694134568
4√n 67.253417081703
5√n 28.984878502678

Divisors of 20457729

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 -20457728
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 20457729 can be divided by 8 positive divisors. The sum of these divisors (counting 20457729) is 1, the average is 0.125.

Base conversion 20457729

Base System Value
2 Binary 1001110000010100100000001
3 Ternary 1102111100201200
4 Quaternary 1032002210001
5 Quinary 20214121404
6 Senary 2010251413
8 Octal 116024401
10 Decimal 20457729
12 Duodecimal 6a26b69
16 Hexadecimal 1382901
20 Vigesimal 67h469
36 Base36 c6ha9

Cryptographic Hash Functions

md5 19fba6b2fe221935d9ac849ac72cdecf
sha1 28a0f96f71c30c1562de998c48167a779120f226
sha256 351983d2f658de769f0a0fa9d19c765b73fdc3d1da0f6a400009da94932c7f0d
sha512 bd31fbde81dc0b98ee04f3575a296edf4977a4d9c213008397b7062e878059642123038e8ed8b4562e4f52227354c8ae8838f1e940bd2e9cff1556d38efee697
ripemd-160 cec11d10d261f113c7ce4ff4598700bc5308b42c

20457729 as geometric shapes

Circle

Radius = n
Diameter 40915458
Circumference 128539702.27106
Area 1.314815197401E+15

Sphere

Radius = n
Volume 3.5864177324682E+22
Surface area 5.2592607896041E+15
Circumference 128539702.27106

Square

Length = n
Perimeter 81830916
Area 418518675837441
Diagonal 28931597.807153

Cube

Length = n
Surface area 2511112055024646
Volume 8.5619416517212E+21
Space diagonal 35433826.035475

Equilateral Triangle

Length = n
Perimeter 61373187
Area 1.8122390261672E+14
Altitude 17716913.017738

Triangular Pyramid

Length = n
Surface area 1.8122390261672E+14
Volume 1.0090345003426E+21
Height 9643865.9357178