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

28408021 (number)

28408021 is an odd 8-digits composite number following 28408020 and preceding 28408022. In scientific notation, it is written as 2.8408021 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 26912844 positive integers (up to 28408021) that are relatively prime to 28408021.

Interesting facts

28408021 has 4 divisors, whose sum is 29903200
The reverse of 28408021 is 12080482
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-eight million four hundred eight thousand twenty-one

Notation

Scientific notation	2.8408021 × 10^7
Engineering notation	2.8408021 × 10^6

Prime Factorization of 28408021

Prime Factorization 19 × 1495159

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28408021	Product of the distinct prime numbers

The prime factorization of 28408021 is 19 × 1495159. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 47, 74, 134, 913, 4256, 2822, 3531, 88480, 509407, 376496, 594191, 6921050, 60628654, 60005905, 741815824, 79667239, 382264023, 1402678338

Basic calculations (n = 28408021)

Multiplication

n×y

n×2	56816042
n×3	85224063
n×4	113632084
n×5	142040105

Division

n÷y

n÷2	14204010.5
n÷3	9469340.3333333
n÷3	7102005.25
n÷5	5681604.2

Exponentiation

n^y

n²	807015657136441
n³	2.2925717735261E+22
n⁴	6.5127427086336E+29
n⁵	1.8501413163446E+37

Nth Root

^y√n

²√n	5329.917541576
³√n	305.12678058184
⁴√n	73.00628426085
⁵√n	30.951962893787

Divisors of 28408021

1, 19, 1495159, 28408021

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	-28408020	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 28408021 can be divided by 4 positive divisors. The sum of these divisors (counting 28408021) is 1, the average is 0.25.

Base conversion 28408021

Base	System	Value
2	Binary	1101100010111100011010101
3	Ternary	1222110021110221
4	Quaternary	1230113203111
5	Quinary	24233024041
6	Senary	2452514341
8	Octal	154274325
10	Decimal	28408021
12	Duodecimal	961b9b1
16	Hexadecimal	1b178d5
20	Vigesimal	8hb011
36	Base36	gwvrp

Cryptographic Hash Functions

md5	33499338d029ca6d4388dacdb1b4d3a2
sha1	6417783ea6293c83a23c8bf0a7ecefa1e3eb89d2
sha256	1e05c203ed42a714f8149f74615cc63c4a632cd4de6bb5123eb66cfc9ca256bf
sha512	2f337e54b9756ddb762278e9494ef2826a571b3fceea964e34376e5a9eae4c985ba5d33b61d30bf00a75b782bdff9f72fbece5eb09f9848fd11d3c5a2d4ed598
ripemd-160	8442ffa9b2d4d008dcbf2304110642a81fff0224

28408021 as geometric shapes

Circle

Radius = n

Diameter	56816042
Circumference	178492860.15325
Area	2.5353144597918E+15

Sphere

Radius = n

Volume	9.6031021887158E+22
Surface area	1.0141257839167E+16
Circumference	178492860.15325

Square

Length = n

Perimeter	113632084
Area	807015657136441
Diagonal	40175008.57838

Cube

Length = n

Surface area	4842093942818646
Volume	2.2925717735261E+22
Space diagonal	49204135.714484

Equilateral Triangle

Length = n

Perimeter	85224063
Area	3.4944803016598E+14
Altitude	24602067.857242

Triangular Pyramid

Length = n

Surface area	3.4944803016598E+14
Volume	2.7018217456953E+21
Height	13391669.526127