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

131285 (number)

131285 is an odd 6-digits composite number following 131284 and preceding 131286. In scientific notation, it is written as 1.31285 × 10^5. The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors. There are 79200 positive integers (up to 131285) that are relatively prime to 131285.

Interesting facts

131285 has 24 divisors, whose sum is 204288
The reverse of 131285 is 582131
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2

Name

Name	one hundred thirty-one thousand two hundred eighty-five

Notation

Scientific notation	1.31285 × 10^5
Engineering notation	1.31285 × 10^3

Prime Factorization of 131285

Prime Factorization 5 × 7 × 11 × 11 × 31

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	11935	Product of the distinct prime numbers

The prime factorization of 131285 is 5 × 7 × 11 × 11 × 31. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 83, 100, 279, 335, 2805, 7694, 54862, 28802, 477444, 700278, 2379084, 8003380, 74015543, 55193417, 96091494, 606700185, 6858482420, 485701683

Basic calculations (n = 131285)

Multiplication

n×y

n×2	262570
n×3	393855
n×4	525140
n×5	656425

Division

n÷y

n÷2	65642.5
n÷3	43761.666666667
n÷3	32821.25
n÷5	26257

Exponentiation

n^y

n²	17235751225
n³	2262795599574125
n⁴	2.9707112029009E+20
n⁵	3.9000982027284E+25

Nth Root

^y√n

²√n	362.33272002401
³√n	50.824334756404
⁴√n	19.035039270356
⁵√n	10.559491907645

Divisors of 131285

1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 385, 605, 847, 1085, 1705, 2387, 3751, 4235, 11935, 18755, 26257, 131285

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-131284	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131285 can be divided by 24 positive divisors. The sum of these divisors (counting 131285) is 1, the average is 0.041666666666667.

Base conversion 131285

Base	System	Value
2	Binary	100000000011010101
3	Ternary	20200002102
4	Quaternary	200003111
5	Quinary	13200120
6	Senary	2451445
8	Octal	400325
10	Decimal	131285
12	Duodecimal	63b85
16	Hexadecimal	200d5
20	Vigesimal	g845
36	Base36	2tat

Cryptographic Hash Functions

md5	9e73c416ee0ff9f879907fc70d614094
sha1	c5bbf79a0c4115b0258b2f4abdcad66733e9bbf5
sha256	431a8b78e835eb06f6b1cde89bba93b1ec7fd73f7a6cbf6cec9abd454012896d
sha512	7c97b8eb6c5600ac5a2ccd78afd58d7ff39229e3087d1d79a567446683e9e9708bbc2390e27ae8642afab235a0824edfce03cc3eddbd07c2531f65d83fa5e701
ripemd-160	a50072380467fc2e34923031bdd5bb0608bdb5c1

131285 as geometric shapes

Circle

Radius = n

Diameter	262570
Circumference	824887.98305307
Area	54147709427.561

Sphere

Radius = n

Volume	9.4783760429298E+15
Surface area	216590837710.25
Circumference	824887.98305307

Square

Length = n

Perimeter	525140
Area	17235751225
Diagonal	185665.02753615

Cube

Length = n

Surface area	103414507350
Volume	2262795599574125
Space diagonal	227392.29027168

Equilateral Triangle

Length = n

Perimeter	393855
Area	7463299207.0794
Altitude	113696.14513584

Triangular Pyramid

Length = n

Surface area	7463299207.0794
Volume	2.6667301881632E+14
Height	61888.342512051