81532016 is an even 8-digits composite number following 81532015
and preceding 81532017 . In scientific notation, it is written as 8.1532016 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 39663936 positive integers (up to 81532016) that are relatively prime to 81532016.
81532016 has 20 divisors, whose sum is 162238872
The reverse of 81532016 is 61023518
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million five hundred thirty-two thousand sixteen
Scientific notation
8.1532016 × 10^7
Engineering notation
8.1532016 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 37 × 137723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10191502
Product of the distinct prime numbers
The prime factorization of 81532016 is 2 × 2 × 2 × 2 × 37 × 137723.
Since it has a total of 6 prime factors.
3 , 10 , 55 , 28 , 725 , 134 , 4479 , 36 , 7347 , 9068 , 883010 , 64730 , 1536422 , 6261328 , 37383281 , 18236112 , 428574182 , 209868625 , 6927879953 , 2820196639
n×2
163064032
n×3
244596048
n×4
326128064
n×5
407660080
n÷2
40766008
n÷3
27177338.666667
n÷3
20383004
n÷5
16306403.2
n2
6647469633024256
n3
5.4198160047925E+23
n4
4.418885252198E+31
n5
3.6028062308437E+39
2 √n
9029.5080707644
3 √n
433.62008843809
4 √n
95.023723726049
5 √n
38.217795850169
1 , 2 , 4 , 8 , 16 , 37 , 74 , 148 , 296 , 592 , 137723 , 275446 , 550892 , 1101784 , 2203568 , 5095751 , 10191502 , 20383004 , 40766008 , 81532016
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
-81532015
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 81532016 can be divided by 20 positive divisors.
The sum of these divisors (counting 81532016) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110111000001010001110000
3
Ternary
12200102020220022
4
Quaternary
10313001101300
5
Quinary
131333011031
6
Senary
12031303012
8
Octal
467012160
10
Decimal
81532016
12
Duodecimal
2337aa68
16
Hexadecimal
4dc1470
20
Vigesimal
159ba0g
36
Base36
1cjii8
md5
4f245da19d6dafc1da8e7f65fee893a2
sha1
bda9daad476396d8dec111e4e44570fad0d86752
sha256
4d628d23f85c64a2ed72edc79e65651ef6892a5a4e94c9ab721f00dd4cafe74d
sha512
89cbf35d93d70129a957b787883e0ae8a260f37b2a631b462914107b126cb4f3a8cc2983c120e2ff92686a3b2fc97441711032b932f53122faf5e064d99735da
ripemd-160
965eec0af9ac9116111de8e4ded328707014031b
Diameter
163064032
Circumference
512280764.99593
Area
2.088364176407E+16
Volume
2.2702472192619E+24
Surface area
8.3534567056281E+16
Circumference
512280764.99593
Perimeter
326128064
Area
6647469633024256
Diagonal
115303682.79482
Surface area
39884817798145536
Volume
5.4198160047925E+23
Space diagonal
141217594.15552
Perimeter
244596048
Area
2.8784387865423E+15
Altitude
70608797.077759
Surface area
2.8784387865423E+15
Volume
6.3873144162869E+22
Height
38434560.931607