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

28991009 (number)

28991009 is an odd 8-digits prime number following 28991008 and preceding 28991010. In scientific notation, it is written as 2.8991009 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 28991008 positive integers (up to 28991009) that are relatively prime to 28991009.

Interesting facts

28991009 has 2 divisors, whose sum is 28991010
The reverse of 28991009 is 90019982
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-eight million nine hundred ninety-one thousand nine

Notation

Scientific notation	2.8991009 × 10^7
Engineering notation	2.8991009 × 10^6

Prime Factorization of 28991009

Prime Factorization 28991009

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	28991009	Product of the distinct prime numbers

The prime factorization of 28991009 is 28991009. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 6, 52, 11, 897, 361, 6325, 2359, 2798, 90673, 639167, 457869, 5508977, 2196084, 44466174, 16742301, 380608859, 659872564, 7573753907, 2592493398

Basic calculations (n = 28991009)

Multiplication

n×y

n×2	57982018
n×3	86973027
n×4	115964036
n×5	144955045

Division

n÷y

n÷2	14495504.5
n÷3	9663669.6666667
n÷3	7247752.25
n÷5	5798201.8

Exponentiation

n^y

n²	840478602838081
n³	2.4366322739186E+22
n⁴	7.0640428182865E+29
n⁵	2.0479372892133E+37

Nth Root

^y√n

²√n	5384.329949028
³√n	307.19992848147
⁴√n	73.377993629071
⁵√n	31.077971648018

Divisors of 28991009

1, 28991009

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	28991010	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	14495505	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5384.3300418901	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999310131	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991009 can be divided by 2 positive divisors. The sum of these divisors (counting 28991009) is 28991010, the average is 14495505.

Base conversion 28991009

Base	System	Value
2	Binary	1101110100101111000100001
3	Ternary	2000112220012002
4	Quaternary	1232211320201
5	Quinary	24410203014
6	Senary	2513213345
8	Octal	156457041
10	Decimal	28991009
12	Duodecimal	9861255
16	Hexadecimal	1ba5e21
20	Vigesimal	913ha9
36	Base36	h9dlt

Cryptographic Hash Functions

md5	b02a77a18a728c38fd4cff5ba7c7d6c0
sha1	c5fa9781f075ba3bd9e0bdd1394a140532dffd7d
sha256	762120de104a779321345ecf7fab61ecf2e9e92f47a3d6c7dad9d3a98cd0ddb5
sha512	07409e4f0272234c405317cbcc91fc90bf44013e71665d8357bd51dff086445ac7e8f0218f03f22ab17f35be24b1d115aba8202f9a661a29974ece77adb07440
ripemd-160	97816a533653b45c586d08bf6987bda826312c61

28991009 as geometric shapes

Circle

Radius = n

Diameter	57982018
Circumference	182155881.78911
Area	2.6404414041755E+15

Sphere

Radius = n

Volume	1.0206541401657E+23
Surface area	1.0561765616702E+16
Circumference	182155881.78911

Square

Length = n

Perimeter	115964036
Area	840478602838081
Diagonal	40999478.11468

Cube

Length = n

Surface area	5042871617028486
Volume	2.4366322739186E+22
Space diagonal	50213900.550687

Equilateral Triangle

Length = n

Perimeter	86973027
Area	3.6393791069751E+14
Altitude	25106950.275343

Triangular Pyramid

Length = n

Surface area	3.6393791069751E+14
Volume	2.8715986735764E+21
Height	13666492.704893