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

28918 (number)

28918 is an even 5-digits composite number following 28917 and preceding 28919. In scientific notation, it is written as 2.8918 × 10^4. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 13680 positive integers (up to 28918) that are relatively prime to 28918.

Interesting facts

28918 has 8 divisors, whose sum is 45720
The reverse of 28918 is 81982
Previous prime number is 19

Basic properties

Is Prime? no
Number parity even
Number length 5
Sum of Digits 28
Digital Root 1

Name

Name	twenty-eight thousand nine hundred eighteen

Notation

Scientific notation	2.8918 × 10^4
Engineering notation	2.8918 × 10^3

Prime Factorization of 28918

Prime Factorization 2 × 19 × 761

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28918	Product of the distinct prime numbers

The prime factorization of 28918 is 2 × 19 × 761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 36, 62, 89, 126, 9043, 8813, 24242, 86738, 485094, 158909, 7967832, 5987124, 82121656, 16150370, 717195998, 456372712, 5923501512, 7974323362

Basic calculations (n = 28918)

Multiplication

n×y

n×2	57836
n×3	86754
n×4	115672
n×5	144590

Division

n÷y

n÷2	14459
n÷3	9639.3333333333
n÷3	7229.5
n÷5	5783.6

Exponentiation

n^y

n²	836250724
n³	24182698436632
n⁴	699315273390524176
n⁵	2.0222799075907E+22

Nth Root

^y√n

²√n	170.0529329356
³√n	30.694183451725
⁴√n	13.040434537837
⁵√n	7.8024977244388

Divisors of 28918

1, 2, 19, 38, 761, 1522, 14459, 28918

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	-28917	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 28918 can be divided by 8 positive divisors. The sum of these divisors (counting 28918) is 1, the average is 0.125.

Base conversion 28918

Base	System	Value
2	Binary	111000011110110
3	Ternary	1110200001
4	Quaternary	13003312
5	Quinary	1411133
6	Senary	341514
8	Octal	70366
10	Decimal	28918
12	Duodecimal	1489a
16	Hexadecimal	70f6
20	Vigesimal	3c5i
36	Base36	mba

Cryptographic Hash Functions

md5	c8c91941c44ee273af84ef092c01a0b1
sha1	3e59dbcbb17da2d957b70450e0c1147381e8389a
sha256	edf431e84dfec5ae3714fb4d952688e4b6cc28fa4f78adce9eb752383fe4ccb2
sha512	ff73f945025259d95b34b01236407ca0cb72f5804c0f9182155554af804788c4502db03a640612c3b4f6101e9e69ad4d1c40ba9d57a139653438f4906586ec0f
ripemd-160	e7f4285edcb930b9940abbe5fd0f8f1be3c15080

28918 as geometric shapes

Circle

Radius = n

Diameter	57836
Circumference	181697.15271302
Area	2627159131.0775

Sphere

Radius = n

Volume	1.0129625033667E+14
Surface area	10508636524.31
Circumference	181697.15271302

Square

Length = n

Perimeter	115672
Area	836250724
Diagonal	40896.227796705

Cube

Length = n

Surface area	5017504344
Volume	24182698436632
Space diagonal	50087.445253277

Equilateral Triangle

Length = n

Perimeter	86754
Area	362107185.45856
Altitude	25043.722626638

Triangular Pyramid

Length = n

Surface area	362107185.45856
Volume	2849958341988.6
Height	13632.075932235