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

81420 (number)

81420 is an even 5-digits composite number following 81419 and preceding 81421. In scientific notation, it is written as 8.1420 × 10^4. The sum of its digits is 15. It has a total of 6 prime factors and 48 positive divisors. There are 20416 positive integers (up to 81420) that are relatively prime to 81420.

Interesting facts

81420 has 48 divisors, whose sum is 241920
The reverse of 81420 is 02418
Previous prime number is 23

Basic properties

Is Prime? no
Number parity even
Number length 5
Sum of Digits 15
Digital Root 6

Name

Name	eighty-one thousand four hundred twenty

Notation

Scientific notation	8.1420 × 10^4
Engineering notation	8.1420 × 10^3

Prime Factorization of 81420

Prime Factorization 2 × 2 × 3 × 5 × 23 × 59

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	40710	Product of the distinct prime numbers

The prime factorization of 81420 is 2 × 2 × 3 × 5 × 23 × 59. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 6, 85, 39, 623, 513, 2093, 7684, 86085, 77036, 469169, 564859, 5496971, 7180318, 79705389, 8831863, 126164802, 548182466, 5802611647, 3556554155

Basic calculations (n = 81420)

Multiplication

n×y

n×2	162840
n×3	244260
n×4	325680
n×5	407100

Division

n÷y

n÷2	40710
n÷3	27140
n÷3	20355
n÷5	16284

Exponentiation

n^y

n²	6629216400
n³	539750799288000
n⁴	4.3946510078029E+19
n⁵	3.5781248505531E+24

Nth Root

^y√n

²√n	285.34190018292
³√n	43.342141536227
⁴√n	16.892066190461
⁵√n	9.5972369986906

Divisors of 81420

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 59, 60, 69, 92, 115, 118, 138, 177, 230, 236, 276, 295, 345, 354, 460, 590, 690, 708, 885, 1180, 1357, 1380, 1770, 2714, 3540, 4071, 5428, 6785, 8142, 13570, 16284, 20355, 27140, 40710, 81420

48 divisors

τ	Total Divisors	48	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81419	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.020833333333333	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	48	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81420 can be divided by 48 positive divisors. The sum of these divisors (counting 81420) is 1, the average is 0.020833333333333.

Base conversion 81420

Base	System	Value
2	Binary	10011111000001100
3	Ternary	11010200120
4	Quaternary	103320030
5	Quinary	10101140
6	Senary	1424540
8	Octal	237014
10	Decimal	81420
12	Duodecimal	3b150
16	Hexadecimal	13e0c
20	Vigesimal	a3b0
36	Base36	1qto

Cryptographic Hash Functions

md5	9d1c2483c8e11d3f64e65e627d6a459c
sha1	3daa55cbe38d194d0a948cdb3e075e4e3d5d9281
sha256	42d7c33e517507276112896cbeadeaa57cb73d768022a188603411d4f607ee16
sha512	e2a36576b09ac16d50f1a4ce131f0a5e8567406ea2ef2ca6f9192171f13e3eb389dc140c8703b9e8377132f604de1e518fa6dee2ce0ea6cb4144ab997e8a624d
ripemd-160	3c4f48083f9e0304641914aa65fd467654083005

81420 as geometric shapes

Circle

Radius = n

Diameter	162840
Circumference	511576.94771056
Area	20826297541.297

Sphere

Radius = n

Volume	2.2609028610832E+15
Surface area	83305190165.188
Circumference	511576.94771056

Square

Length = n

Perimeter	325680
Area	6629216400
Diagonal	115145.26824842

Cube

Length = n

Surface area	39775298400
Volume	539750799288000
Space diagonal	141023.57675226

Equilateral Triangle

Length = n

Perimeter	244260
Area	2870534904.7922
Altitude	70511.788376129

Triangular Pyramid

Length = n

Surface area	2870534904.7922
Volume	63610241721234
Height	38381.756082806