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

28016721 (number)

28016721 is an odd 8-digits composite number following 28016720 and preceding 28016722. In scientific notation, it is written as 2.8016721 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 18495864 positive integers (up to 28016721) that are relatively prime to 28016721.

Interesting facts

28016721 has 8 divisors, whose sum is 31432960
The reverse of 28016721 is 12761082
Previous prime number is 103

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.8016721 × 10^7
Engineering notation	2.8016721 × 10^6

Prime Factorization of 28016721

Prime Factorization 9 × 103 × 30223

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28016721	Product of the distinct prime numbers

The prime factorization of 28016721 is 9 × 103 × 30223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 66, 61, 73, 485, 1748, 5641, 71920, 97577, 919884, 76523, 2787009, 2622595, 90885523, 74237228, 450721661, 126595934, 4078881787, 2267727642

Basic calculations (n = 28016721)

Multiplication

n×y

n×2	56033442
n×3	84050163
n×4	112066884
n×5	140083605

Division

n÷y

n÷2	14008360.5
n÷3	9338907
n÷3	7004180.25
n÷5	5603344.2

Exponentiation

n^y

n²	784936655591841
n³	2.199135128239E+22
n⁴	6.161255532917E+29
n⁵	1.7261817727544E+37

Nth Root

^y√n

²√n	5293.0823723044
³√n	303.71933135464
⁴√n	72.753572917792
⁵√n	30.866220977137

Divisors of 28016721

1, 9, 103, 927, 30223, 272007, 3112969, 28016721

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	-28016720	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 28016721 can be divided by 8 positive divisors. The sum of these divisors (counting 28016721) is 1, the average is 0.125.

Base conversion 28016721

Base	System	Value
2	Binary	1101010111000000001010001
3	Ternary	1221201101201100
4	Quaternary	1222320001101
5	Quinary	24133013341
6	Senary	2440255013
8	Octal	152700121
10	Decimal	28016721
12	Duodecimal	9471469
16	Hexadecimal	1ab8051
20	Vigesimal	8f21g1
36	Base36	gohu9

Cryptographic Hash Functions

md5	7a25fc72a612a5c4e7ee0a69ba801e8f
sha1	15dcd92fd9b27873c676a9ba26e736955e697c47
sha256	ba64557c9a1a726920c425dd0f4fb102d8736b4414f428dcf8284878fdde35f7
sha512	c9a845c0eafaaf00336cb1c86e692534720ea982efda69f4805796aaf62c831e9583ce3307ddd76dc35a5c7ec1dcd6f407d0d8ec103b675842ff737ef56930ca
ripemd-160	0a169e3a3d09cced60b38f691410e10ccdda54cb

28016721 as geometric shapes

Circle

Radius = n

Diameter	56033442
Circumference	176034249.74255
Area	2.4659512307407E+15

Sphere

Radius = n

Volume	9.2117156841691E+22
Surface area	9.8638049229627E+15
Circumference	176034249.74255

Square

Length = n

Perimeter	112066884
Area	784936655591841
Diagonal	39621626.811423

Cube

Length = n

Surface area	4709619933551046
Volume	2.199135128239E+22
Space diagonal	48526384.233482

Equilateral Triangle

Length = n

Perimeter	84050163
Area	3.3988754205207E+14
Altitude	24263192.116741

Triangular Pyramid

Length = n

Surface area	3.3988754205207E+14
Volume	2.5917056032055E+21
Height	13207208.937141