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

20728691 (number)

20728691 is an odd 8-digits prime number following 20728690 and preceding 20728692. In scientific notation, it is written as 2.0728691 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 20728690 positive integers (up to 20728691) that are relatively prime to 20728691.

Interesting facts

20728691 has 2 divisors, whose sum is 20728692
The reverse of 20728691 is 19682702
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.0728691 × 10^7
Engineering notation	2.0728691 × 10^6

Prime Factorization of 20728691

Prime Factorization 20728691

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20728691	Product of the distinct prime numbers

The prime factorization of 20728691 is 20728691. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 3, 35, 46, 712, 917, 8993, 1301, 40572, 79658, 203533, 820575, 3671501, 1403445, 3652607, 87504627, 129978470, 860028531, 2148676613, 6476875172

Basic calculations (n = 20728691)

Multiplication

n×y

n×2	41457382
n×3	62186073
n×4	82914764
n×5	103643455

Division

n÷y

n÷2	10364345.5
n÷3	6909563.6666667
n÷3	5182172.75
n÷5	4145738.2

Exponentiation

n^y

n²	429678630573481
n³	8.9066755624608E+21
n⁴	1.846237255715E+29
n⁵	3.8270081586405E+36

Nth Root

^y√n

²√n	4552.877222153
³√n	274.69913542105
⁴√n	67.475011835146
⁵√n	29.061255689429

Divisors of 20728691

1, 20728691

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20728692	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10364346	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4552.8773319737	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999035154	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20728691 can be divided by 2 positive divisors. The sum of these divisors (counting 20728691) is 20728692, the average is 10364346.

Base conversion 20728691

Base	System	Value
2	Binary	1001111000100101101110011
3	Ternary	1110000010102022
4	Quaternary	1033010231303
5	Quinary	20301304231
6	Senary	2020142055
8	Octal	117045563
10	Decimal	20728691
12	Duodecimal	6b3792b
16	Hexadecimal	13c4b73
20	Vigesimal	69b1eb
36	Base36	ccacz

Cryptographic Hash Functions

md5	5049bf3a7966e64f79909005ee18e738
sha1	fd380ffe8ed0deb5742d442e113ad6968858abc3
sha256	83ccc594a1579a42dc338b952941168bb528571e0d03c407c815945649ae410c
sha512	8cbf0ce278723a9a2829aec3440b77daaef095e2c03239fdec8f0c34bd89f3d86bd6bbe8c0acd0ecf7b7b45f462d8bf070f46ab9b3084cbb3ae42f3e80216699
ripemd-160	a93a442394295b8936d9d784ee9fb5ef1a750cba

20728691 as geometric shapes

Circle

Radius = n

Diameter	41457382
Circumference	130242206.72827
Area	1.3498752292142E+15

Sphere

Radius = n

Volume	3.7308195353246E+22
Surface area	5.3995009168567E+15
Circumference	130242206.72827

Square

Length = n

Perimeter	82914764
Area	429678630573481
Diagonal	29314795.942441

Cube

Length = n

Surface area	2578071783440886
Volume	8.9066755624608E+21
Space diagonal	35903145.986396

Equilateral Triangle

Length = n

Perimeter	62186073
Area	1.8605630476997E+14
Altitude	17951572.993198

Triangular Pyramid

Length = n

Surface area	1.8605630476997E+14
Volume	1.0496617813408E+21
Height	9771598.6474804