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

28072009 (number)

28072009 is an odd 8-digits composite number following 28072008 and preceding 28072010. In scientific notation, it is written as 2.8072009 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 24021360 positive integers (up to 28072009) that are relatively prime to 28072009.

Interesting facts

28072009 has 8 divisors, whose sum is 32136128
The reverse of 28072009 is 90027082
Previous prime number is 661

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-eight million seventy-two thousand nine

Notation

Scientific notation	2.8072009 × 10^7
Engineering notation	2.8072009 × 10^6

Prime Factorization of 28072009

Prime Factorization 7 × 661 × 6067

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28072009	Product of the distinct prime numbers

The prime factorization of 28072009 is 7 × 661 × 6067. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 10, 3, 41, 345, 850, 2841, 3972, 98575, 65085, 255132, 931882, 4883419, 762121, 40223256, 94701305, 473730628, 826318011, 6209155282, 8246231275

Basic calculations (n = 28072009)

Multiplication

n×y

n×2	56144018
n×3	84216027
n×4	112288036
n×5	140360045

Division

n÷y

n÷2	14036004.5
n÷3	9357336.3333333
n÷3	7018002.25
n÷5	5614401.8

Exponentiation

n^y

n²	788037689296081
n³	2.2121801106259E+22
n⁴	6.2100339975111E+29
n⁵	1.7432813026844E+37

Nth Root

^y√n

²√n	5298.3024639973
³√n	303.91898594335
⁴√n	72.78943923398
⁵√n	30.87839360901

Divisors of 28072009

1, 7, 661, 4627, 6067, 42469, 4010287, 28072009

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	-28072008	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 28072009 can be divided by 8 positive divisors. The sum of these divisors (counting 28072009) is 1, the average is 0.125.

Base conversion 28072009

Base	System	Value
2	Binary	1101011000101100001001001
3	Ternary	1221211012120001
4	Quaternary	1223011201021
5	Quinary	24141301014
6	Senary	2441403001
8	Octal	153054111
10	Decimal	28072009
12	Duodecimal	9499461
16	Hexadecimal	1ac5849
20	Vigesimal	8f9009
36	Base36	gpoi1

Cryptographic Hash Functions

md5	bdfbd0c6d09ddaf5218a0adcb2f1eac5
sha1	bf7aa602a4ba706eb5488641b7701cbcec7831e5
sha256	5bf245543f26a22ee40eee6a8dfca034677126bd56cd208f235a11d4a5bfcd00
sha512	38209e6fa21c4b3f4a6627f42eb0d06f0da1357302383c2ebb613be736fd545de20eb9d2edb1778d7741a56a6f6f760d8820ccaaf5f9107a2145e3de547a0760
ripemd-160	6309d90438e9b9d66a3f563f0b9748c83f23a4e4

28072009 as geometric shapes

Circle

Radius = n

Diameter	56144018
Circumference	176381634.49181
Area	2.4756934154444E+15

Sphere

Radius = n

Volume	9.266358378613E+22
Surface area	9.9027736617778E+15
Circumference	176381634.49181

Square

Length = n

Perimeter	112288036
Area	788037689296081
Diagonal	39699815.85086

Cube

Length = n

Surface area	4728226135776486
Volume	2.2121801106259E+22
Space diagonal	48622145.858531

Equilateral Triangle

Length = n

Perimeter	84216027
Area	3.41230329035E+14
Altitude	24311072.929265

Triangular Pyramid

Length = n

Surface area	3.41230329035E+14
Volume	2.6070792623826E+21
Height	13233271.950287