81326 is an even 5-digits composite number following 81325
and preceding 81327 . In scientific notation, it is written as 8.1326 × 10^4.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 33696 positive integers (up to 81326) that are relatively prime to 81326.
81326 has 16 divisors, whose sum is 144096
The reverse of 81326 is 62318
Previous prime number is 37
Is Prime? no
Number parity even
Number length 5
Sum of Digits 20
Digital Root 2
Name
eighty-one thousand three hundred twenty-six
Scientific notation
8.1326 × 10^4
Engineering notation
8.1326 × 10^3
Prime Factorization
2 × 7 × 37 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81326
Product of the distinct prime numbers
The prime factorization of 81326 is 2 × 7 × 37 × 157.
Since it has a total of 4 prime factors.
2 , 2 , 4 , 61 , 87 , 542 , 816 , 9260 , 22362 , 66961 , 305487 , 825211 , 109171 , 1410562 , 87511576 , 19666533 , 941438065 , 922904350 , 1806313434 , 7134381498
n×2
162652
n×3
243978
n×4
325304
n×5
406630
n÷2
40663
n÷3
27108.666666667
n÷3
20331.5
n÷5
16265.2
n2
6613918276
n3
537883517713976
n4
4.3743914961607E+19
n5
3.5575176281676E+24
2 √n
285.1771379336
3 √n
43.325455504155
4 √n
16.887188573993
5 √n
9.5950199582146
1 , 2 , 7 , 14 , 37 , 74 , 157 , 259 , 314 , 518 , 1099 , 2198 , 5809 , 11618 , 40663 , 81326
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81325
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81326 can be divided by 16 positive divisors.
The sum of these divisors (counting 81326) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011110110101110
3
Ternary
11010120002
4
Quaternary
103312232
5
Quinary
10100301
6
Senary
1424302
8
Octal
236656
10
Decimal
81326
12
Duodecimal
3b092
16
Hexadecimal
13dae
20
Vigesimal
a366
36
Base36
1qr2
md5
35546fe150214a15830166d1240be2db
sha1
4fbfc8690cca9bacee9ba7fa5fccd2229c4f1596
sha256
bf76011997fff9ebdf2001f3ba3ba6d1affdf400abaddaf0e5dff142a37c4c26
sha512
00e0cc33dbdb3e07bca549a43eec7636ccc48912c4b06ca491abfcf64de3a113c9b05d18a4afa46e9c31a5c9d9a7c25986a4fe405d5987baa2180522d1b33cf6
ripemd-160
ee942f5b626b1ca3beebb185a4b1ca2dc6d01b83
Diameter
162652
Circumference
510986.32829169
Area
20778237067.325
Volume
2.2530812103163E+15
Surface area
83112948269.299
Circumference
510986.32829169
Perimeter
325304
Area
6613918276
Diagonal
115012.33217355
Surface area
39683509656
Volume
537883517713976
Space diagonal
140860.76397635
Perimeter
243978
Area
2863910622.7851
Altitude
70430.381988173
Surface area
2863910622.7851
Volume
63390180477338
Height
38337.444057851