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

28238021 (number)

28238021 is an odd 8-digits composite number following 28238020 and preceding 28238022. In scientific notation, it is written as 2.8238021 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 23842368 positive integers (up to 28238021) that are relatively prime to 28238021.

Interesting facts

28238021 has 8 divisors, whose sum is 32754240
The reverse of 28238021 is 12083282
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-eight million two hundred thirty-eight thousand twenty-one

Notation

Scientific notation	2.8238021 × 10^7
Engineering notation	2.8238021 × 10^6

Prime Factorization of 28238021

Prime Factorization 7 × 67 × 60209

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28238021	Product of the distinct prime numbers

The prime factorization of 28238021 is 7 × 67 × 60209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 91, 93, 818, 506, 7986, 3012, 21551, 19599, 107698, 418665, 7692535, 1984468, 55747183, 77283991, 236276141, 108035923, 4334487351, 9749663587

Basic calculations (n = 28238021)

Multiplication

n×y

n×2	56476042
n×3	84714063
n×4	112952084
n×5	141190105

Division

n÷y

n÷2	14119010.5
n÷3	9412673.6666667
n÷3	7059505.25
n÷5	5647604.2

Exponentiation

n^y

n²	797385829996441
n³	2.2516597812542E+22
n⁴	6.3582416187911E+29
n⁵	1.795441603545E+37

Nth Root

^y√n

²√n	5313.9458973535
³√n	304.51691329089
⁴√n	72.896816784778
⁵√n	30.914829196194

Divisors of 28238021

1, 7, 67, 469, 60209, 421463, 4034003, 28238021

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	-28238020	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 28238021 can be divided by 8 positive divisors. The sum of these divisors (counting 28238021) is 1, the average is 0.125.

Base conversion 28238021

Base	System	Value
2	Binary	1101011101110000011000101
3	Ternary	1222010122021122
4	Quaternary	1223232003011
5	Quinary	24212104041
6	Senary	2445123325
8	Octal	153560305
10	Decimal	28238021
12	Duodecimal	9559545
16	Hexadecimal	1aee0c5
20	Vigesimal	8g9f11
36	Base36	gt8lh

Cryptographic Hash Functions

md5	df9d00a49b26822fa31962b4c2caf5f2
sha1	adcb436261338571b932756af795d6412db53b50
sha256	cbe80b436a3578ed0fdf6f4d8fcb3a42e76233595be8b2d2ed0529a445e2a561
sha512	b17fb1d79a1dd2baa23b811de7050cdcaf08647f26310e1f89336de229c32c1376b41c327d66b58c9813774df6cfd867ea57a3dbfac90d2f0911b29c7fddcc72
ripemd-160	005e4c4334a8d35e2a643f78d44925e01ac953ae

28238021 as geometric shapes

Circle

Radius = n

Diameter	56476042
Circumference	177424718.65103
Area	2.5050614655934E+15

Sphere

Radius = n

Volume	9.431730436229E+22
Surface area	1.0020245862374E+16
Circumference	177424718.65103

Square

Length = n

Perimeter	112952084
Area	797385829996441
Diagonal	39934592.272776

Cube

Length = n

Surface area	4784314979978646
Volume	2.2516597812542E+22
Space diagonal	48909687.077197

Equilateral Triangle

Length = n

Perimeter	84714063
Area	3.4527819269733E+14
Altitude	24454843.538598

Triangular Pyramid

Length = n

Surface area	3.4527819269733E+14
Volume	2.6536065004164E+21
Height	13311530.757592