20291728 (number)

20291728 is an even 8-digits composite number following 20291727 and preceding 20291729. In scientific notation, it is written as 2.0291728 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 10 positive divisors. There are 10145856 positive integers (up to 20291728) that are relatively prime to 20291728.

Interesting facts

Basic properties

Name

Name twenty million two hundred ninety-one thousand seven hundred twenty-eight

Notation

Scientific notation 2.0291728 × 10^7
Engineering notation 2.0291728 × 10^6

Prime Factorization of 20291728

Prime Factorization 2 × 2 × 2 × 2 × 1268233

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2536466
Product of the distinct prime numbers

The prime factorization of 20291728 is 2 × 2 × 2 × 2 × 1268233. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20291728)

Multiplication

n×y
n×2 40583456
n×3 60875184
n×4 81166912
n×5 101458640

Division

n÷y
n÷2 10145864
n÷3 6763909.3333333
n÷3 5072932
n÷5 4058345.6

Exponentiation

ny
n2 411754225225984
n3 8.3552047411364E+21
n4 1.6954154199145E+29
n5 3.4402908547911E+36

Nth Root

y√n
2√n 4504.6340583892
3√n 272.75518222123
4√n 67.116570669166
5√n 28.937686439411

Divisors of 20291728

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20291727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20291728 can be divided by 10 positive divisors. The sum of these divisors (counting 20291728) is 1, the average is 0.1.

Base conversion 20291728

Base System Value
2 Binary 1001101011010000010010000
3 Ternary 1102011221000111
4 Quaternary 1031122002100
5 Quinary 20143313403
6 Senary 2002531104
8 Octal 115320220
10 Decimal 20291728
12 Duodecimal 6966a94
16 Hexadecimal 135a090
20 Vigesimal 66g968
36 Base36 c2x74

Cryptographic Hash Functions

md5 484f509dd4336938c9db294edb34406d
sha1 1ffeafef7fb11bb068001796cc90ee16762cba9c
sha256 732dfafaa2416bf5a91197f51042a87a2673ee4083f78db6edc1282a01699c35
sha512 0293e7ac572127af5afa52c625982af9df4d0786f3d9a8892273c39f6cd6c65b5b6d49c7d5097726fa5e6d6164d0122220293460a5d6129387f02cae48c57e4c
ripemd-160 cb29f5304d550c51fd32ac235626c739e2799182

20291728 as geometric shapes

Circle

Radius = n
Diameter 40583456
Circumference 127496687.22688
Area 1.2935640490545E+15

Sphere

Radius = n
Volume 3.4998199778657E+22
Surface area 5.174256196218E+15
Circumference 127496687.22688

Square

Length = n
Perimeter 81166912
Area 411754225225984
Diagonal 28696836.941586

Cube

Length = n
Surface area 2470525351355904
Volume 8.3552047411364E+21
Space diagonal 35146303.869368

Equilateral Triangle

Length = n
Perimeter 60875184
Area 1.7829480958064E+14
Altitude 17573151.934684

Triangular Pyramid

Length = n
Surface area 1.7829480958064E+14
Volume 9.8467032177659E+20
Height 9565612.313862