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

28238421 (number)

28238421 is an odd 8-digits composite number following 28238420 and preceding 28238422. In scientific notation, it is written as 2.8238421 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 18825612 positive integers (up to 28238421) that are relatively prime to 28238421.

Interesting facts

28238421 has 4 divisors, whose sum is 37651232
The reverse of 28238421 is 12483282
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.8238421 × 10^7
Engineering notation	2.8238421 × 10^6

Prime Factorization of 28238421

Prime Factorization 3 × 9412807

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28238421	Product of the distinct prime numbers

The prime factorization of 28238421 is 3 × 9412807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 2, 88, 99, 672, 918, 964, 9189, 82720, 43661, 446495, 601698, 7413260, 7613496, 42577566, 181350, 816056494, 786470859, 9450571291, 6232359247

Basic calculations (n = 28238421)

Multiplication

n×y

n×2	56476842
n×3	84715263
n×4	112953684
n×5	141192105

Division

n÷y

n÷2	14119210.5
n÷3	9412807
n÷3	7059605.25
n÷5	5647684.2

Exponentiation

n^y

n²	797408420573241
n³	2.2517554689092E+22
n⁴	6.3586018920111E+29
n⁵	1.7955687719801E+37

Nth Root

^y√n

²√n	5313.9835340355
³√n	304.51835114178
⁴√n	72.897074934701
⁵√n	30.914916779255

Divisors of 28238421

1, 3, 9412807, 28238421

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	-28238420	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 28238421 can be divided by 4 positive divisors. The sum of these divisors (counting 28238421) is 1, the average is 0.25.

Base conversion 28238421

Base	System	Value
2	Binary	1101011101110001001010101
3	Ternary	1222010122211110
4	Quaternary	1223232021111
5	Quinary	24212112141
6	Senary	2445125233
8	Octal	153561125
10	Decimal	28238421
12	Duodecimal	9559819
16	Hexadecimal	1aee255
20	Vigesimal	8g9g11
36	Base36	gt8wl

Cryptographic Hash Functions

md5	b0e863d82e67ece89f95321b47e5dfa7
sha1	cf5d89846dc2f77b477c9209461547e7c96be9e1
sha256	bbbd8e3394c1176ea44cefd42cf4b12062a8d9dd4d128b3b7873866c9000c88e
sha512	2f6c45b24a863766dbbf31519f9e1032ab91a349563e68594fc568193b5d08448b3d981acd6224bf7cb99314a89ddb1d16c18261f56c0ccf0c67f1c9447e47b4
ripemd-160	6529aca9887feeaaef46acced688bbe343063a62

28238421 as geometric shapes

Circle

Radius = n

Diameter	56476842
Circumference	177427231.92515
Area	2.5051324359835E+15

Sphere

Radius = n

Volume	9.4321312517411E+22
Surface area	1.0020529743934E+16
Circumference	177427231.92515

Square

Length = n

Perimeter	112953684
Area	797408420573241
Diagonal	39935157.958201

Cube

Length = n

Surface area	4784450523439446
Volume	2.2517554689092E+22
Space diagonal	48910379.89752

Equilateral Triangle

Length = n

Perimeter	84715263
Area	3.4528797470403E+14
Altitude	24455189.94876

Triangular Pyramid

Length = n

Surface area	3.4528797470403E+14
Volume	2.6537192693993E+21
Height	13311719.3194