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

81306 (number)

81306 is an even 5-digits composite number following 81305 and preceding 81307. In scientific notation, it is written as 8.1306 × 10^4. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 27096 positive integers (up to 81306) that are relatively prime to 81306.

Interesting facts

81306 has 8 divisors, whose sum is 135540
The reverse of 81306 is 60318
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 5
Sum of Digits 18
Digital Root 9

Name

Name	eighty-one thousand three hundred six

Notation

Scientific notation	8.1306 × 10^4
Engineering notation	8.1306 × 10^3

Prime Factorization of 81306

Prime Factorization 2 × 9 × 4517

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81306	Product of the distinct prime numbers

The prime factorization of 81306 is 2 × 9 × 4517. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 59, 53, 275, 944, 2517, 4192, 38374, 49020, 243985, 514099, 6991392, 5892458, 76295241, 63572718, 313298528, 739150999, 9424706537, 993647424

Basic calculations (n = 81306)

Multiplication

n×y

n×2	162612
n×3	243918
n×4	325224
n×5	406530

Division

n÷y

n÷2	40653
n÷3	27102
n÷3	20326.5
n÷5	16261.2

Exponentiation

n^y

n²	6610665636
n³	537486780200616
n⁴	4.3700900150991E+19
n⁵	3.5531453876765E+24

Nth Root

^y√n

²√n	285.14206985291
³√n	43.321903625905
⁴√n	16.886150237781
⁵√n	9.594547983006

Divisors of 81306

1, 2, 9, 18, 4517, 9034, 40653, 81306

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	-81305	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 81306 can be divided by 8 positive divisors. The sum of these divisors (counting 81306) is 1, the average is 0.125.

Base conversion 81306

Base	System	Value
2	Binary	10011110110011010
3	Ternary	11010112100
4	Quaternary	103312122
5	Quinary	10100211
6	Senary	1424230
8	Octal	236632
10	Decimal	81306
12	Duodecimal	3b076
16	Hexadecimal	13d9a
20	Vigesimal	a356
36	Base36	1qqi

Cryptographic Hash Functions

md5	4eefe176d4254bef257682c5e22df364
sha1	555218f7f3bb10e6c11b1d48f58fdc5aa068a3f0
sha256	b96863b44ab30b194dcbe0e9b6d032a1b523c80933806d7ff5cdd4fe58185d66
sha512	a4f883b8cf3f43c4af86292dd478e80ddc522aa0a427b757492465e0a3cc3eb59102c90b84e852d327fff5acbed588c08841edb554bdac9c83713a488ea31c99
ripemd-160	9c726aa2d6fc7ceb2730ba4e5885e47c9cb4431f

81306 as geometric shapes

Circle

Radius = n

Diameter	162612
Circumference	510860.66458554
Area	20768018597.396

Sphere

Radius = n

Volume	2.2514193601065E+15
Surface area	83072074389.584
Circumference	510860.66458554

Square

Length = n

Perimeter	325224
Area	6610665636
Diagonal	114984.04790231

Cube

Length = n

Surface area	39663993816
Volume	537486780200616
Space diagonal	140826.1229602

Equilateral Triangle

Length = n

Perimeter	243918
Area	2862502188.3504
Altitude	70413.061480098

Triangular Pyramid

Length = n

Surface area	2862502188.3504
Volume	63343424512996
Height	38328.015967436