20728519 (number)

20728519 is an odd 8-digits composite number following 20728518 and preceding 20728520. In scientific notation, it is written as 2.0728519 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 17622360 positive integers (up to 20728519) that are relatively prime to 20728519.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-eight thousand five hundred nineteen

Notation

Scientific notation 2.0728519 × 10^7
Engineering notation 2.0728519 × 10^6

Prime Factorization of 20728519

Prime Factorization 49 × 7 × 271 × 223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20728519
Product of the distinct prime numbers

The prime factorization of 20728519 is 49 × 7 × 271 × 223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20728519)

Multiplication

n×y
n×2 41457038
n×3 62185557
n×4 82914076
n×5 103642595

Division

n÷y
n÷2 10364259.5
n÷3 6909506.3333333
n÷3 5182129.75
n÷5 4145703.8

Exponentiation

ny
n2 429671499933361
n3 8.9064538501272E+21
n4 1.8461759785498E+29
n5 3.8268493848714E+36

Nth Root

y√n
2√n 4552.8583329596
3√n 274.69837563064
4√n 67.474871863232
5√n 29.061207461082

Divisors of 20728519

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20728518
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20728519 can be divided by 16 positive divisors. The sum of these divisors (counting 20728519) is 1, the average is 0.0625.

Base conversion 20728519

Base System Value
2 Binary 1001111000100101011000111
3 Ternary 1110000010011221
4 Quaternary 1033010223013
5 Quinary 20301303034
6 Senary 2020141211
8 Octal 117045307
10 Decimal 20728519
12 Duodecimal 6b37807
16 Hexadecimal 13c4ac7
20 Vigesimal 69b15j
36 Base36 cca87

Cryptographic Hash Functions

md5 6ce795d790fc6c73b044b69a43300ffa
sha1 6b690b6ed01bdf2542a54c5a4af3b0f1038a924d
sha256 f7792c02e7b9848ca577d74f7e78dab751b3cf80325be50dd3e2b9498e56b448
sha512 85645aab935a70023fa87fab5a456021c3427fdca16f3f9432b9bbfeea746d7aa501e336b31d048afcbd607bc28d741e22bd8ab8ba55a84d0831c21c56880c57
ripemd-160 855393020590a12d8371367eb044b4c8a9dad595

20728519 as geometric shapes

Circle

Radius = n
Diameter 41457038
Circumference 130241126.02039
Area 1.3498528276476E+15

Sphere

Radius = n
Volume 3.7307266646795E+22
Surface area 5.3994113105902E+15
Circumference 130241126.02039

Square

Length = n
Perimeter 82914076
Area 429671499933361
Diagonal 29314552.697708

Cube

Length = n
Surface area 2578028999600166
Volume 8.9064538501272E+21
Space diagonal 35902848.073657

Equilateral Triangle

Length = n
Perimeter 62185557
Area 1.8605321711223E+14
Altitude 17951424.036828

Triangular Pyramid

Length = n
Surface area 1.8605321711223E+14
Volume 1.0496356522917E+21
Height 9771517.5659028