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

20728215 (number)

20728215 is an odd 8-digits composite number following 20728214 and preceding 20728216. In scientific notation, it is written as 2.0728215 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 11055024 positive integers (up to 20728215) that are relatively prime to 20728215.

Interesting facts

20728215 has 4 divisors, whose sum is 21188888
The reverse of 20728215 is 51282702
Previous prime number is 45

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million seven hundred twenty-eight thousand two hundred fifteen

Notation

Scientific notation	2.0728215 × 10^7
Engineering notation	2.0728215 × 10^6

Prime Factorization of 20728215

Prime Factorization 45 × 460627

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20728215	Product of the distinct prime numbers

The prime factorization of 20728215 is 45 × 460627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 60, 23, 744, 702, 5724, 634, 72384, 34331, 496667, 573390, 3868805, 2500980, 65165790, 29646105, 242093385, 309236378, 5994614343, 2039713884

Basic calculations (n = 20728215)

Multiplication

n×y

n×2	41456430
n×3	62184645
n×4	82912860
n×5	103641075

Division

n÷y

n÷2	10364107.5
n÷3	6909405
n÷3	5182053.75
n÷5	4145643

Exponentiation

n^y

n²	429658897086225
n³	8.9060619954661E+21
n⁴	1.8460676784535E+29
n⁵	3.8265687743535E+36

Nth Root

^y√n

²√n	4552.8249472168
³√n	274.69703273498
⁴√n	67.474624468883
⁵√n	29.061122219498

Divisors of 20728215

1, 45, 460627, 20728215

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	-20728214	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 20728215 can be divided by 4 positive divisors. The sum of these divisors (counting 20728215) is 1, the average is 0.25.

Base conversion 20728215

Base	System	Value
2	Binary	1001111000100100110010111
3	Ternary	1110000002202200
4	Quaternary	1033010212113
5	Quinary	20301300330
6	Senary	2020135543
8	Octal	117044627
10	Decimal	20728215
12	Duodecimal	6b375b3
16	Hexadecimal	13c4997
20	Vigesimal	69b0af
36	Base36	cc9zr

Cryptographic Hash Functions

md5	0e1ca8091e06fe50891977834c88d4e6
sha1	8e1d7c295d531411b3a4e34d706d5a1eba918dcc
sha256	01f7d3e5647ad4a7583afc18839367c993981be19ba47906f4e2d5081220aa2f
sha512	db5adf72289894a371d02527c8cfe343ef783f1189321098d7d54786982cd5f1e6124c0487403a93bed3dac9120c2dad9b41ef969071eaabe33951ccda15045c
ripemd-160	347d4d4b55807b60ad827e56a9f6ba0443939939

20728215 as geometric shapes

Circle

Radius = n

Diameter	41456430
Circumference	130239215.93206
Area	1.3498132346356E+15

Sphere

Radius = n

Volume	3.7305625249829E+22
Surface area	5.3992529385423E+15
Circumference	130239215.93206

Square

Length = n

Perimeter	82912860
Area	429658897086225
Diagonal	29314122.776785

Cube

Length = n

Surface area	2577953382517350
Volume	8.9060619954661E+21
Space diagonal	35902321.530211

Equilateral Triangle

Length = n

Perimeter	62184645
Area	1.8604775991934E+14
Altitude	17951160.765106

Triangular Pyramid

Length = n

Surface area	1.8604775991934E+14
Volume	1.049589471777E+21
Height	9771374.2589285