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

28990809 (number)

28990809 is an odd 8-digits composite number following 28990808 and preceding 28990810. In scientific notation, it is written as 2.8990809 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 19269432 positive integers (up to 28990809) that are relatively prime to 28990809.

Interesting facts

28990809 has 8 divisors, whose sum is 32308320
The reverse of 28990809 is 90809982
Previous prime number is 347

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

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

Notation

Scientific notation	2.8990809 × 10^7
Engineering notation	2.8990809 × 10^6

Prime Factorization of 28990809

Prime Factorization 9 × 347 × 9283

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28990809	Product of the distinct prime numbers

The prime factorization of 28990809 is 9 × 347 × 9283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 30, 4, 346, 494, 1351, 9879, 95233, 33144, 39215, 94862, 9394931, 9684141, 57589902, 40303703, 174443340, 38603733, 809586395, 7545335039

Basic calculations (n = 28990809)

Multiplication

n×y

n×2	57981618
n×3	86972427
n×4	115963236
n×5	144954045

Division

n÷y

n÷2	14495404.5
n÷3	9663603
n÷3	7247702.25
n÷5	5798161.8

Exponentiation

n^y

n²	840467006474481
n³	2.4365818455503E+22
n⁴	7.0638478897218E+29
n⁵	2.0478666497598E+37

Nth Root

^y√n

²√n	5384.3113765829
³√n	307.1992220541
⁴√n	73.377867075726
⁵√n	31.077928768437

Divisors of 28990809

1, 9, 347, 3123, 9283, 83547, 3221201, 28990809

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	-28990808	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 28990809 can be divided by 8 positive divisors. The sum of these divisors (counting 28990809) is 1, the average is 0.125.

Base conversion 28990809

Base	System	Value
2	Binary	1101110100101110101011001
3	Ternary	2000112212220200
4	Quaternary	1232211311121
5	Quinary	24410201214
6	Senary	2513212413
8	Octal	156456531
10	Decimal	28990809
12	Duodecimal	9861109
16	Hexadecimal	1ba5d59
20	Vigesimal	913h09
36	Base36	h9dg9

Cryptographic Hash Functions

md5	2d3498cd792e1bf577c09d37629b033b
sha1	dcf7f2557b22182b1cf0642f5f58655669f16c0a
sha256	70ef57149712bc8fe8cb00d756689107b562d6bd1ff2c501e6e07d0894838680
sha512	7b2d7dde04bf1d88a4e45efc27a5f4ffe5f5b842198ff9b748e05a218c2dbadfe53ac26527ad7177ec94acda0821fc9d04fcaae1e88250e7df0fa545f1cde75f
ripemd-160	2ad2df0f35398c3b06cd90c819d824c4219b5951

28990809 as geometric shapes

Circle

Radius = n

Diameter	57981618
Circumference	182154625.15205
Area	2.6404049731248E+15

Sphere

Radius = n

Volume	1.0206330167802E+23
Surface area	1.0561619892499E+16
Circumference	182154625.15205

Square

Length = n

Perimeter	115963236
Area	840467006474481
Diagonal	40999195.271968

Cube

Length = n

Surface area	5042802038846886
Volume	2.4365818455503E+22
Space diagonal	50213554.140525

Equilateral Triangle

Length = n

Perimeter	86972427
Area	3.6393288932478E+14
Altitude	25106777.070263

Triangular Pyramid

Length = n

Surface area	3.6393288932478E+14
Volume	2.8715392431745E+21
Height	13666398.423989