81004 is an even 5-digits composite number following 81003
and preceding 81005 . In scientific notation, it is written as 8.1004 × 10^4.
The sum of its digits is 13. It has a total of 5 prime factors and 24 positive divisors.
There are 31440 positive integers (up to 81004) that are relatively prime to 81004.
81004 has 24 divisors, whose sum is 177408
The reverse of 81004 is 40018
Previous prime number is 11
Is Prime? no
Number parity even
Number length 5
Sum of Digits 13
Digital Root 4
Name
eighty-one thousand four
Scientific notation
8.1004 × 10^4
Engineering notation
8.1004 × 10^3
Prime Factorization
2 × 2 × 7 × 11 × 263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40502
Product of the distinct prime numbers
The prime factorization of 81004 is 2 × 2 × 7 × 11 × 263.
Since it has a total of 5 prime factors.
2 , 6 , 28 , 15 , 776 , 9 , 3580 , 873 , 15908 , 40152 , 16926 , 816883 , 100906 , 9849902 , 80864857 , 47980477 , 717733708 , 257410737 , 7755573455 , 2529750779
n×2
162008
n×3
243012
n×4
324016
n×5
405020
n÷2
40502
n÷3
27001.333333333
n÷3
20251
n÷5
16200.8
n2
6561648016
n3
531519735888064
n4
4.3055224685877E+19
n5
3.4876454204548E+24
2 √n
284.61201661209
3 √n
43.268199319509
4 √n
16.870448026419
5 √n
9.5874098428039
1 , 2 , 4 , 7 , 11 , 14 , 22 , 28 , 44 , 77 , 154 , 263 , 308 , 526 , 1052 , 1841 , 2893 , 3682 , 5786 , 7364 , 11572 , 20251 , 40502 , 81004
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
-81003
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 81004 can be divided by 24 positive divisors.
The sum of these divisors (counting 81004) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10011110001101100
3
Ternary
11010010011
4
Quaternary
103301230
5
Quinary
10043004
6
Senary
1423004
8
Octal
236154
10
Decimal
81004
12
Duodecimal
3aa64
16
Hexadecimal
13c6c
20
Vigesimal
a2a4
36
Base36
1qi4
md5
5811c8877f117280fb06b29ec91a44fb
sha1
42f6e846a0d59dff55025ca64eda9ba2fcab79b9
sha256
c581d3e126d641be74a2d608f1690bbc15ed5310b422f7884027f69a91c32ca1
sha512
86f6927d8327237d616eef3eab0c7f97fe08590df8491e56a695685c6d507af0b72d924f1a9c157957a2bbddb208eb3508b2ec00c9142bd1854d0f4849b6c9d8
ripemd-160
9370fbdaea56a713c50fc1d833d42510cd186263
Diameter
162008
Circumference
508963.14262278
Area
20614025202.508
Volume
2.2264246633386E+15
Surface area
82456100810.031
Circumference
508963.14262278
Perimeter
324016
Area
6561648016
Diagonal
114556.95540647
Surface area
39369888096
Volume
531519735888064
Space diagonal
140303.04361631
Perimeter
243012
Area
2841276936.2739
Altitude
70151.521808155
Surface area
2841276936.2739
Volume
62640201596822
Height
38185.651802157