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

28103721 (number)

28103721 is an odd 8-digits composite number following 28103720 and preceding 28103722. In scientific notation, it is written as 2.8103721 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 18662400 positive integers (up to 28103721) that are relatively prime to 28103721.

Interesting facts

28103721 has 8 divisors, whose sum is 37618464
The reverse of 28103721 is 12730182
Previous prime number is 257

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-eight million one hundred three thousand seven hundred twenty-one

Notation

Scientific notation	2.8103721 × 10^7
Engineering notation	2.8103721 × 10^6

Prime Factorization of 28103721

Prime Factorization 3 × 257 × 36451

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28103721	Product of the distinct prime numbers

The prime factorization of 28103721 is 3 × 257 × 36451. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 2, 94, 72, 988, 4393, 7728, 73643, 55274, 843656, 833302, 4263320, 8688497, 9109144, 58077639, 580318857, 747947292, 83191322, 1131892457

Basic calculations (n = 28103721)

Multiplication

n×y

n×2	56207442
n×3	84311163
n×4	112414884
n×5	140518605

Division

n÷y

n÷2	14051860.5
n÷3	9367907
n÷3	7025930.25
n÷5	5620744.2

Exponentiation

n^y

n²	789819134045841
n³	2.2196856583686E+22
n⁴	6.2381426450492E+29
n⁵	1.7531502045467E+37

Nth Root

^y√n

²√n	5301.2942759292
³√n	304.03338521278
⁴√n	72.809987473761
⁵√n	30.885366914292

Divisors of 28103721

1, 3, 257, 771, 36451, 109353, 9367907, 28103721

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	-28103720	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 28103721 can be divided by 8 positive divisors. The sum of these divisors (counting 28103721) is 1, the average is 0.125.

Base conversion 28103721

Base	System	Value
2	Binary	1101011001101010000101001
3	Ternary	1221212211001120
4	Quaternary	1223031100221
5	Quinary	24143304341
6	Senary	2442205453
8	Octal	153152051
10	Decimal	28103721
12	Duodecimal	94b3889
16	Hexadecimal	1acd429
20	Vigesimal	8fcj61
36	Base36	gqcyx

Cryptographic Hash Functions

md5	b4b2219a0e8b68be8c7985cf67bd2e49
sha1	9a149e8dd18b92be2faea23b620c9d1670e9e59f
sha256	f09c05dcb46784d9d2baa9b50a5a475301ece7007678755f304b1c8a0defd317
sha512	ca7b1130cb00d962ec6afaee80c2f9ec94a6bf901529e96ac82253d3d93ce07fef6f7fa86cfb63f936092dd62a97312ed428052e352a3a586ac9be8e67e0b1ed
ripemd-160	020007cec1c27ce99c3ccaf87c133ad7c3ced930

28103721 as geometric shapes

Circle

Radius = n

Diameter	56207442
Circumference	176580886.86427
Area	2.4812899891831E+15

Sphere

Radius = n

Volume	9.2977975434792E+22
Surface area	9.9251599567323E+15
Circumference	176580886.86427

Square

Length = n

Perimeter	112414884
Area	789819134045841
Diagonal	39744663.39135

Cube

Length = n

Surface area	4738914804275046
Volume	2.2196856583686E+22
Space diagonal	48677072.65374

Equilateral Triangle

Length = n

Perimeter	84311163
Area	3.4200171723936E+14
Altitude	24338536.32687

Triangular Pyramid

Length = n

Surface area	3.4200171723936E+14
Volume	2.6159246352249E+21
Height	13248221.13045