81132016 is an even 8-digits composite number following 81132015
and preceding 81132017 . In scientific notation, it is written as 8.1132016 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors.
There are 34770816 positive integers (up to 81132016) that are relatively prime to 81132016.
81132016 has 20 divisors, whose sum is 179649712
The reverse of 81132016 is 61023118
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million one hundred thirty-two thousand sixteen
Scientific notation
8.1132016 × 10^7
Engineering notation
8.1132016 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 724393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10141502
Product of the distinct prime numbers
The prime factorization of 81132016 is 2 × 2 × 2 × 2 × 7 × 724393.
Since it has a total of 6 prime factors.
2 , 3 , 10 , 20 , 598 , 860 , 6237 , 9199 , 83853 , 66188 , 14202 , 953615 , 2431611 , 2647964 , 54706349 , 70803072 , 161094688 , 531060466 , 8518879900 , 5985756057
n×2
162264032
n×3
243396048
n×4
324528064
n×5
405660080
n÷2
40566008
n÷3
27044005.333333
n÷3
20283004
n÷5
16226403.2
n2
6582404020224256
n3
5.340437082873E+23
n4
4.3328042685464E+31
n5
3.5152914524058E+39
2 √n
9007.3312362764
3 √n
432.90980525657
4 √n
94.906960947427
5 √n
38.18022237305
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 724393 , 1448786 , 2897572 , 5070751 , 5795144 , 10141502 , 11590288 , 20283004 , 40566008 , 81132016
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81132015
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81132016 can be divided by 20 positive divisors.
The sum of these divisors (counting 81132016) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110101011111100111110000
3
Ternary
12122122221012111
4
Quaternary
10311133213300
5
Quinary
131232211031
6
Senary
12014535104
8
Octal
465374760
10
Decimal
81132016
12
Duodecimal
23207494
16
Hexadecimal
4d5f9f0
20
Vigesimal
1571a0g
36
Base36
1caxv4
md5
d62ad1e4b7acb0f48c10df4711db2e8b
sha1
1345f389b4538fc920d7c5b91f686fd4d7942424
sha256
6dfa478c44cf5dd55cf6156bfd540e40f01b3d1b26f640398d26d95ff633111e
sha512
d9b2094391feef026803dff0b5b5fb14e5514ad390a467aae43b5bb1fbb00b32d8eaf7ad0f21e3f897badf011ed9fbc98cc6460380101713cc2caa0f33d7b433
ripemd-160
2b0dff81a3abf1ffefe95dc1ec6cbc7b776b7f87
Diameter
162264032
Circumference
509767490.87306
Area
2.0679232112896E+16
Volume
2.2369970542016E+24
Surface area
8.2716928451586E+16
Circumference
509767490.87306
Perimeter
324528064
Area
6582404020224256
Diagonal
114737997.36987
Surface area
39494424121345536
Volume
5.340437082873E+23
Space diagonal
140524773.83249
Perimeter
243396048
Area
2.8502645497435E+15
Altitude
70262386.916246
Surface area
2.8502645497435E+15
Volume
6.293765459666E+22
Height
38245999.12329