81008046 is an even 8-digits composite number following 81008045
and preceding 81008047 . In scientific notation, it is written as 8.1008046 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 22576320 positive integers (up to 81008046) that are relatively prime to 81008046.
81008046 has 32 divisors, whose sum is 147555072
The reverse of 81008046 is 64080018
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million eight thousand forty-six
Scientific notation
8.1008046 × 10^7
Engineering notation
8.1008046 × 10^6
Prime Factorization
2 × 27 × 7 × 41 × 5227
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81008046
Product of the distinct prime numbers
The prime factorization of 81008046 is 2 × 27 × 7 × 41 × 5227.
Since it has a total of 5 prime factors.
9 , 6 , 85 , 37 , 428 , 820 , 1419 , 6151 , 5949 , 90566 , 898938 , 841005 , 6041704 , 7576214 , 96273078 , 14748779 , 353869133 , 94414761 , 4595660041 , 7176791449
n×2
162016092
n×3
243024138
n×4
324032184
n×5
405040230
n÷2
40504023
n÷3
27002682
n÷3
20252011.5
n÷5
16201609.2
n2
6562303516738116
n3
5.3159938514988E+23
n4
4.3063827445793E+31
n5
3.4885165146649E+39
2 √n
9000.4469889001
3 √n
432.68919696362
4 √n
94.870685614156
5 √n
38.168547332798
1 , 2 , 7 , 14 , 27 , 41 , 54 , 82 , 189 , 287 , 378 , 574 , 1107 , 2214 , 5227 , 7749 , 10454 , 15498 , 36589 , 73178 , 141129 , 214307 , 282258 , 428614 , 987903 , 1500149 , 1975806 , 3000298 , 5786289 , 11572578 , 40504023 , 81008046
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81008045
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81008046 can be divided by 32 positive divisors.
The sum of these divisors (counting 81008046) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101000001010110101110
3
Ternary
12122102122011000
4
Quaternary
10311001112232
5
Quinary
131214224141
6
Senary
12012141130
8
Octal
465012656
10
Decimal
81008046
12
Duodecimal
231677a6
16
Hexadecimal
4d415ae
20
Vigesimal
1566026
36
Base36
1c8a7i
md5
cbfc4bea1d6c2f6675a4a294f153d9fd
sha1
51a5846d567ae9ad686f39a9e412bc66537be4fe
sha256
63dad167f7ffedba7a097ea7d1e4374d1752666b7fe21e008fa0ac45860f8f73
sha512
8fe59ba56861c24931956b8d02332330e2e264badb42598b7e25e3839a7d23537a3af9cf6f825dab7287aabef24e8aaa28d35c2d9bfdd150ecd5728d89ad00c5
ripemd-160
f72103d807205415b0e49d98ec0ddbcd769ed208
Diameter
162016092
Circumference
508988564.39053
Area
2.0616084518811E+16
Volume
2.2267582973863E+24
Surface area
8.2464338075244E+16
Circumference
508988564.39053
Perimeter
324032184
Area
6562303516738116
Diagonal
114562677.31454
Surface area
39373821100428696
Volume
5.3159938514988E+23
Space diagonal
140310051.49388
Perimeter
243024138
Area
2.8415607764196E+15
Altitude
70155025.746938
Surface area
2.8415607764196E+15
Volume
6.2649588352347E+22
Height
38187559.104848