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

81331 (number)

81331 is an odd 5-digits prime number following 81330 and preceding 81332. In scientific notation, it is written as 8.1331 × 10^4. The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors. There are 81330 positive integers (up to 81331) that are relatively prime to 81331.

Interesting facts

81331 has 2 divisors, whose sum is 81332
The reverse of 81331 is 13318
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 16
Digital Root 7

Name

Name	eighty-one thousand three hundred thirty-one

Notation

Scientific notation	8.1331 × 10^4
Engineering notation	8.1331 × 10^3

Prime Factorization of 81331

Prime Factorization 81331

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81331	Product of the distinct prime numbers

The prime factorization of 81331 is 81331. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 9, 26, 62, 950, 465, 6136, 2967, 70642, 606, 172926, 922916, 5308809, 343374, 34633850, 18185154, 408687880, 724127894, 1189808220, 2505676977

Basic calculations (n = 81331)

Multiplication

n×y

n×2	162662
n×3	243993
n×4	325324
n×5	406655

Division

n÷y

n÷2	40665.5
n÷3	27110.333333333
n÷3	20332.75
n÷5	16266.2

Exponentiation

n^y

n²	6614731561
n³	537982732587691
n⁴	4.3754673624089E+19
n⁵	3.5586113605208E+24

Nth Root

^y√n

²√n	285.18590428
³√n	43.326343382726
⁴√n	16.887448128122
⁵√n	9.5951379375079

Divisors of 81331

1, 81331

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81332	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40666	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	285.18765751694	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999754094329	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81331 can be divided by 2 positive divisors. The sum of these divisors (counting 81331) is 81332, the average is 40666.

Base conversion 81331

Base	System	Value
2	Binary	10011110110110011
3	Ternary	11010120021
4	Quaternary	103312303
5	Quinary	10100311
6	Senary	1424311
8	Octal	236663
10	Decimal	81331
12	Duodecimal	3b097
16	Hexadecimal	13db3
20	Vigesimal	a36b
36	Base36	1qr7

Cryptographic Hash Functions

md5	5c9b9b8ec3f8b6b72b40e35c82c725fa
sha1	4ff45300cbbf911445f21220b0b7cddf2a327d31
sha256	291816159d19deb0babafebaf232dda20daee086cd53ced228944ad64a7bcf26
sha512	e597ba970b44cd313e3fae28be5219fd0d48dee17d104e54b97021111e23dc65517af8bac435a65324544b698f9d001d97ab9186e856cddde998ad0a6134c29f
ripemd-160	abedeb93e556cc47f49a6098d36408609d8e6692

81331 as geometric shapes

Circle

Radius = n

Diameter	162662
Circumference	511017.74421822
Area	20780792077.506

Sphere

Radius = n

Volume	2.2534968006075E+15
Surface area	83123168310.025
Circumference	511017.74421822

Square

Length = n

Perimeter	325324
Area	6614731561
Diagonal	115019.40324137

Cube

Length = n

Surface area	39688389366
Volume	537982732587691
Space diagonal	140869.42423038

Equilateral Triangle

Length = n

Perimeter	243993
Area	2864262785.5203
Altitude	70434.712115192

Triangular Pyramid

Length = n

Surface area	2864262785.5203
Volume	63401873062338
Height	38339.801080455