20409728 (number)

20409728 is an even 8-digits composite number following 20409727 and preceding 20409729. In scientific notation, it is written as 2.0409728 × 10^7. The sum of its digits is 32. It has a total of 9 prime factors and 32 positive divisors. There are 10152448 positive integers (up to 20409728) that are relatively prime to 20409728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0409728 × 10^7
Engineering notation 2.0409728 × 10^6

Prime Factorization of 20409728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 317 × 503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 318902
Product of the distinct prime numbers

The prime factorization of 20409728 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 317 × 503. Since it has a total of 9 prime factors.

Most popular turbo-numbers

1, 4, 53, 17, 767, 534, 8055, 3244, 15582, 89780, 248011, 837959, 5058677, 3386790, 70905488, 85222764, 737141946, 822793515, 2561053380, 7871020173

Basic calculations (n = 20409728)

Multiplication

n×y
n×2 40819456
n×3 61229184
n×4 81638912
n×5 102048640

Division

n÷y
n÷2 10204864
n÷3 6803242.6666667
n÷3 5102432
n÷5 4081945.6

Exponentiation

ny
n2 416556997033984
n3 8.5018150059604E+21
n4 1.7351973177797E+29
n5 3.5414905282213E+36

Nth Root

y√n
2√n 4517.7126956016
3√n 273.28286727755
4√n 67.213932302772
5√n 28.971263982824

Divisors of 20409728

1, 2, 4, 8, 16, 32, 64, 128, 317, 503, 634, 1006, 1268, 2012, 2536, 4024, 5072, 8048, 10144, 16096, 20288, 32192, 40576, 64384, 159451, 318902, 637804, 1275608, 2551216, 5102432, 10204864, 20409728

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20409727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20409728 can be divided by 32 positive divisors. The sum of these divisors (counting 20409728) is 1, the average is 0.03125.

Base conversion 20409728

Base System Value
2 Binary 1001101110110110110000000
3 Ternary 1102101220212212
4 Quaternary 1031312312000
5 Quinary 20211102403
6 Senary 2005241252
8 Octal 115666600
10 Decimal 20409728
12 Duodecimal 6a03228
16 Hexadecimal 1376d80
20 Vigesimal 67b468
36 Base36 c5g8w

Cryptographic Hash Functions

md5 8850fa434108573210587ff119c17db9
sha1 703161f5bee0f19f941a1b0cfc6fe6d5d0fa24f1
sha256 062ea956dc489400ff8ce1abde8dcfc522a6177d2e3980e951e0f5f83f32cecb
sha512 ae3a8eb7b551abd96b9d63bec1125a90f32fc84dcbd986a61c2dfc719232e28a7a33e43a02077eacd866ab88f3009ffe85689e0172fdfc5153edac4333bbd95a
ripemd-160 f4c531a8d688168071cc1be99e4fa487dae63e32

20409728 as geometric shapes

Circle

Radius = n
Diameter 40819456
Circumference 128238103.09313
Area 1.3086524016834E+15

Sphere

Radius = n
Volume 3.5612319419873E+22
Surface area 5.2346096067336E+15
Circumference 128238103.09313

Square

Length = n
Perimeter 81638912
Area 416556997033984
Diagonal 28863714.141946

Cube

Length = n
Surface area 2499341982203904
Volume 8.5018150059604E+21
Space diagonal 35350685.864661

Equilateral Triangle

Length = n
Perimeter 61229184
Area 1.8037447077779E+14
Altitude 17675342.932331

Triangular Pyramid

Length = n
Surface area 1.8037447077779E+14
Volume 1.0019485071847E+21
Height 9621238.0473153