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

28102009 (number)

28102009 is an odd 8-digits composite number following 28102008 and preceding 28102010. In scientific notation, it is written as 2.8102009 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 25898880 positive integers (up to 28102009) that are relatively prime to 28102009.

Interesting facts

28102009 has 8 divisors, whose sum is 30312072
The reverse of 28102009 is 90020182
Previous prime number is 821

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty-eight million one hundred two thousand nine

Notation

Scientific notation	2.8102009 × 10^7
Engineering notation	2.8102009 × 10^6

Prime Factorization of 28102009

Prime Factorization 13 × 821 × 2633

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28102009	Product of the distinct prime numbers

The prime factorization of 28102009 is 13 × 821 × 2633. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 18, 3, 843, 417, 839, 5539, 42275, 1683, 109612, 315185, 5680491, 6487452, 22260204, 35868423, 899718401, 872192782, 359296877, 3184881408

Basic calculations (n = 28102009)

Multiplication

n×y

n×2	56204018
n×3	84306027
n×4	112408036
n×5	140510045

Division

n÷y

n÷2	14051004.5
n÷3	9367336.3333333
n÷3	7025502.25
n÷5	5620401.8

Exponentiation

n^y

n²	789722909836081
n³	2.219280031972E+22
n⁴	6.2366227431997E+29
n⁵	1.75261628459E+37

Nth Root

^y√n

²√n	5301.1328034676
³√n	304.02721146655
⁴√n	72.808878603283
⁵√n	30.884990615106

Divisors of 28102009

1, 13, 821, 2633, 10673, 34229, 2161693, 28102009

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28102008	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28102009 can be divided by 8 positive divisors. The sum of these divisors (counting 28102009) is 1, the average is 0.125.

Base conversion 28102009

Base	System	Value
2	Binary	1101011001100110101111001
3	Ternary	1221212201201011
4	Quaternary	1223030311321
5	Quinary	24143231014
6	Senary	2442153521
8	Octal	153146571
10	Decimal	28102009
12	Duodecimal	94b28a1
16	Hexadecimal	1accd79
20	Vigesimal	8fcf09
36	Base36	gqbnd

Cryptographic Hash Functions

md5	25ecd90640bbaaed82a484dd4945aed4
sha1	39154919e8e2064f96b36aafb436f80635a5dac6
sha256	2ffccc44c424a99e6ae1b2f10629a4bba503463aa0e89f1b45377c565a5fd014
sha512	3fb5d1439ee0bb867fa810beb29c92b55542b68f60916b3c771e607d4452cee4d89bd8bc04189bb493c8e2c525a3c2fa62f48b7c93a1c2b18e7f88e83eff0243
ripemd-160	5d54180f9fa53e6324f7c0d583885bfe969b3659

28102009 as geometric shapes

Circle

Radius = n

Diameter	56204018
Circumference	176570130.05103
Area	2.4809876919126E+15

Sphere

Radius = n

Volume	9.2960984596022E+22
Surface area	9.9239507676503E+15
Circumference	176570130.05103

Square

Length = n

Perimeter	112408036
Area	789722909836081
Diagonal	39742242.257731

Cube

Length = n

Surface area	4738337459016486
Volume	2.219280031972E+22
Space diagonal	48674107.382758

Equilateral Triangle

Length = n

Perimeter	84306027
Area	3.4196005093431E+14
Altitude	24337053.691379

Triangular Pyramid

Length = n

Surface area	3.4196005093431E+14
Volume	2.6154465999321E+21
Height	13247414.08591