20728049 (number)

20728049 is an odd 8-digits composite number following 20728048 and preceding 20728050. In scientific notation, it is written as 2.0728049 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19508736 positive integers (up to 20728049) that are relatively prime to 20728049.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0728049 × 10^7
Engineering notation 2.0728049 × 10^6

Prime Factorization of 20728049

Prime Factorization 17 × 1219297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20728049
Product of the distinct prime numbers

The prime factorization of 20728049 is 17 × 1219297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20728049)

Multiplication

n×y
n×2 41456098
n×3 62184147
n×4 82912196
n×5 103640245

Division

n÷y
n÷2 10364024.5
n÷3 6909349.6666667
n÷3 5182012.25
n÷5 4145609.8

Exponentiation

ny
n2 429652015346401
n3 8.905848027049E+21
n4 1.8460085429122E+29
n5 3.8264155531904E+36

Nth Root

y√n
2√n 4552.8067167408
3√n 274.69629943773
4√n 67.474489377399
5√n 29.061075672685

Divisors of 20728049

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 -20728048
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 20728049 can be divided by 4 positive divisors. The sum of these divisors (counting 20728049) is 1, the average is 0.25.

Base conversion 20728049

Base System Value
2 Binary 1001111000100100011110001
3 Ternary 1110000002112112
4 Quaternary 1033010203301
5 Quinary 20301244144
6 Senary 2020135105
8 Octal 117044361
10 Decimal 20728049
12 Duodecimal 6b37495
16 Hexadecimal 13c48f1
20 Vigesimal 69b029
36 Base36 cc9v5

Cryptographic Hash Functions

md5 9d9d38fcd9028412b8d2d695bc73545c
sha1 3c8970390abc0d325d8d988c0b0e70fda32100be
sha256 644af54841b50f5bee58edc75a48b1012b54c9c57196f9642dfe1f9d9d45a525
sha512 fbafd7f6beacda381e9833c58a2ca0f17753fd7ee07af903ba2a5106d5a97c9710024aa98c46b5bcd1b240c121c5bcd1c59989a1a15b5d2378d51c94662d8434
ripemd-160 882966693be34be666ad783afb71cd09a268d2a4

20728049 as geometric shapes

Circle

Radius = n
Diameter 41456098
Circumference 130238172.9233
Area 1.3497916150123E+15

Sphere

Radius = n
Volume 3.7304728981019E+22
Surface area 5.3991664600492E+15
Circumference 130238172.9233

Square

Length = n
Perimeter 82912196
Area 429652015346401
Diagonal 29313888.017334

Cube

Length = n
Surface area 2577912092078406
Volume 8.905848027049E+21
Space diagonal 35902034.009777

Equilateral Triangle

Length = n
Perimeter 62184147
Area 1.8604478003858E+14
Altitude 17951017.004889

Triangular Pyramid

Length = n
Surface area 1.8604478003858E+14
Volume 1.0495642553572E+21
Height 9771296.005778