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

28008081 (number)

28008081 is an odd 8-digits composite number following 28008080 and preceding 28008082. In scientific notation, it is written as 2.8008081 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 18576096 positive integers (up to 28008081) that are relatively prime to 28008081.

Interesting facts

28008081 has 8 divisors, whose sum is 31280040
The reverse of 28008081 is 18080082
Previous prime number is 197

Basic properties

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

Name

Name	twenty-eight million eight thousand eighty-one

Notation

Scientific notation	2.8008081 × 10^7
Engineering notation	2.8008081 × 10^6

Prime Factorization of 28008081

Prime Factorization 9 × 197 × 15797

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28008081	Product of the distinct prime numbers

The prime factorization of 28008081 is 9 × 197 × 15797. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 31, 40, 350, 386, 5471, 5027, 80946, 80708, 910068, 842463, 2121403, 7723664, 31309235, 3220271, 94589219, 95420073, 4316456638, 8979437425

Basic calculations (n = 28008081)

Multiplication

n×y

n×2	56016162
n×3	84024243
n×4	112032324
n×5	140040405

Division

n÷y

n÷2	14004040.5
n÷3	9336027
n÷3	7002020.25
n÷5	5601616.2

Exponentiation

n^y

n²	784452601302561
n³	2.1971011997943E+22
n⁴	6.1536588369035E+29
n⁵	1.7235217515036E+37

Nth Root

^y√n

²√n	5292.2661497699
³√n	303.68810708659
⁴√n	72.747963200147
⁵√n	30.864316992355

Divisors of 28008081

1, 9, 197, 1773, 15797, 142173, 3112009, 28008081

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	-28008080	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 28008081 can be divided by 8 positive divisors. The sum of these divisors (counting 28008081) is 1, the average is 0.125.

Base conversion 28008081

Base	System	Value
2	Binary	1101010110101111010010001
3	Ternary	1221200221212100
4	Quaternary	1222311322101
5	Quinary	24132224311
6	Senary	2440151013
8	Octal	152657221
10	Decimal	28008081
12	Duodecimal	9468469
16	Hexadecimal	1ab5e91
20	Vigesimal	8f1041
36	Base36	gob69

Cryptographic Hash Functions

md5	d7ddd01be6773cff45bc046bb19ec373
sha1	b9dcdcd767cbda8b6bf30cf29a162994671d993a
sha256	2a474a1a102abaf7ca3ca3a6eef09aa43edf99a770fb23c90c925f17e35899de
sha512	5acbc0c87184c8f00904bb8edc428b3f878691a58bc269267716db3ee7a69c95aff851901936b4aa6e6addb2cc33bc1bc8465b53a35c6b727af9fa7e4fbe9e2d
ripemd-160	2645e8c4b546401cbce2657a35af08f798511359

28008081 as geometric shapes

Circle

Radius = n

Diameter	56016162
Circumference	175979963.0215
Area	2.4644305293415E+15

Sphere

Radius = n

Volume	9.2031959846227E+22
Surface area	9.8577221173661E+15
Circumference	175979963.0215

Square

Length = n

Perimeter	112032324
Area	784452601302561
Diagonal	39609408.006244

Cube

Length = n

Surface area	4706715607815366
Volume	2.1971011997943E+22
Space diagonal	48511419.314505

Equilateral Triangle

Length = n

Perimeter	84024243
Area	3.396779403964E+14
Altitude	24255709.657252

Triangular Pyramid

Length = n

Surface area	3.396779403964E+14
Volume	2.5893085955461E+21
Height	13203136.002081