Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20728481 (number)

20728481 is an odd 8-digits prime number following 20728480 and preceding 20728482. In scientific notation, it is written as 2.0728481 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 20728480 positive integers (up to 20728481) that are relatively prime to 20728481.

Interesting facts

20728481 has 2 divisors, whose sum is 20728482
The reverse of 20728481 is 18482702
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty million seven hundred twenty-eight thousand four hundred eighty-one

Notation

Scientific notation	2.0728481 × 10^7
Engineering notation	2.0728481 × 10^6

Prime Factorization of 20728481

Prime Factorization 20728481

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20728481	Product of the distinct prime numbers

The prime factorization of 20728481 is 20728481. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 10, 3, 19, 610, 853, 3954, 9770, 74761, 87222, 51376, 286951, 3111977, 1096085, 92777068, 19485992, 957496301, 373771779, 5709255093, 3455250199

Basic calculations (n = 20728481)

Multiplication

n×y

n×2	41456962
n×3	62185443
n×4	82913924
n×5	103642405

Division

n÷y

n÷2	10364240.5
n÷3	6909493.6666667
n÷3	5182120.25
n÷5	4145696.2

Exponentiation

n^y

n²	429669924567361
n³	8.906404867666E+21
n⁴	1.8461624407772E+29
n⁵	3.8268143076564E+36

Nth Root

^y√n

²√n	4552.8541597552
³√n	274.6982077694
⁴√n	67.474840939088
⁵√n	29.061196805938

Divisors of 20728481

1, 20728481

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20728482	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10364241	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4552.8542695764	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999035144	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20728481 can be divided by 2 positive divisors. The sum of these divisors (counting 20728481) is 20728482, the average is 10364241.

Base conversion 20728481

Base	System	Value
2	Binary	1001111000100101010100001
3	Ternary	1110000010010112
4	Quaternary	1033010222201
5	Quinary	20301302411
6	Senary	2020141105
8	Octal	117045241
10	Decimal	20728481
12	Duodecimal	6b37795
16	Hexadecimal	13c4aa1
20	Vigesimal	69b141
36	Base36	cca75

Cryptographic Hash Functions

md5	feb05c27055348c7dab48589141c76e6
sha1	c46486ec075e9779c67e920db8856502c2b17722
sha256	724d89901f2f45d872e768830c744696c6439e1c4667f1dbf4f9425d7f1c8c5f
sha512	b838fc518dc56c01cde0fd9181409ff91070c5a92e4741b27fb8d1a4077fa9002fe4fe0a41628fd12c670313e9b104fcd95c110a50016d4ce02b4dfef3f78ea0
ripemd-160	901e034f62e1695be956eb235ed7fc99b8e1eb13

20728481 as geometric shapes

Circle

Radius = n

Diameter	41456962
Circumference	130240887.25935
Area	1.3498478784893E+15

Sphere

Radius = n

Volume	3.7307061469541E+22
Surface area	5.3993915139572E+15
Circumference	130240887.25935

Square

Length = n

Perimeter	82913924
Area	429669924567361
Diagonal	29314498.957593

Cube

Length = n

Surface area	2578019547404166
Volume	8.906404867666E+21
Space diagonal	35902782.255726

Equilateral Triangle

Length = n

Perimeter	62185443
Area	1.8605253495874E+14
Altitude	17951391.127863

Triangular Pyramid

Length = n

Surface area	1.8605253495874E+14
Volume	1.0496298796532E+21
Height	9771499.652531