81004066 is an even 8-digits composite number following 81004065
and preceding 81004067 . In scientific notation, it is written as 8.1004066 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 33986160 positive integers (up to 81004066) that are relatively prime to 81004066.
81004066 has 24 divisors, whose sum is 143539344
The reverse of 81004066 is 66040018
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million four thousand sixty-six
Scientific notation
8.1004066 × 10^7
Engineering notation
8.1004066 × 10^6
Prime Factorization
2 × 11 × 13 × 13 × 21787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6231082
Product of the distinct prime numbers
The prime factorization of 81004066 is 2 × 11 × 13 × 13 × 21787.
Since it has a total of 5 prime factors.
7 , 7 , 15 , 2 , 613 , 134 , 5031 , 8354 , 11331 , 99919 , 61369 , 546513 , 1219602 , 7732286 , 37883766 , 93957653 , 757162222 , 892028673 , 9927305139 , 8023221531
n×2
162008132
n×3
243012198
n×4
324016264
n×5
405020330
n÷2
40502033
n÷3
27001355.333333
n÷3
20251016.5
n÷5
16200813.2
n2
6561658708532356
n3
5.3152103509543E+23
n4
4.3055365007259E+31
n5
3.4876596287021E+39
2 √n
9000.2258860542
3 √n
432.68211070782
4 √n
94.86952032162
5 √n
38.168172274242
1 , 2 , 11 , 13 , 22 , 26 , 143 , 169 , 286 , 338 , 1859 , 3718 , 21787 , 43574 , 239657 , 283231 , 479314 , 566462 , 3115541 , 3682003 , 6231082 , 7364006 , 40502033 , 81004066
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
-81004065
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 81004066 can be divided by 24 positive divisors.
The sum of these divisors (counting 81004066) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101000000011000100010
3
Ternary
12122102102200121
4
Quaternary
10311000120202
5
Quinary
131214112231
6
Senary
12012110454
8
Octal
465003042
10
Decimal
81004066
12
Duodecimal
2316542a
16
Hexadecimal
4d40622
20
Vigesimal
1565a36
36
Base36
1c874y
md5
fb988f377bf937da1c6893d71502ef8b
sha1
abb45b66b961cf35e0ed1eacb28248bebd461586
sha256
beb08df450cd798fe52a7f5b71a029b2bd66a49d10aace23789ef7f0f18618bb
sha512
4c9e15c37dde686fc6c1739aeb4bc8163baf443b6a70dc23ecf5a23009b11337b36ddb47045f7fc056a48eb1ef879cc6762838d13c862a16f8a37729d504e0df
ripemd-160
caeccc1e94663c2857588d5cae5091ab8c30988c
Diameter
162008132
Circumference
508963557.31301
Area
2.0614058794089E+16
Volume
2.2264301054457E+24
Surface area
8.2456235176355E+16
Circumference
508963557.31301
Perimeter
324016264
Area
6561658708532356
Diagonal
114557048.74457
Surface area
39369952251194136
Volume
5.3152103509543E+23
Space diagonal
140303157.93166
Perimeter
243012198
Area
2.8412815662762E+15
Altitude
70151578.965831
Surface area
2.8412815662762E+15
Volume
6.2640354709879E+22
Height
38185682.914855