81232016 is an even 8-digits composite number following 81232015
and preceding 81232017 . In scientific notation, it is written as 8.1232016 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors.
There are 39215232 positive integers (up to 81232016) that are relatively prime to 81232016.
81232016 has 20 divisors, whose sum is 162815100
The reverse of 81232016 is 61023218
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million two hundred thirty-two thousand sixteen
Scientific notation
8.1232016 × 10^7
Engineering notation
8.1232016 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 29 × 175069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10154002
Product of the distinct prime numbers
The prime factorization of 81232016 is 2 × 2 × 2 × 2 × 29 × 175069.
Since it has a total of 6 prime factors.
1 , 4 , 64 , 21 , 4 , 128 , 8577 , 645 , 39621 , 565 , 298458 , 951809 , 6625873 , 6826659 , 46839403 , 25123807 , 544865941 , 994800219 , 6005908031 , 5986673069
n×2
162464032
n×3
243696048
n×4
324928064
n×5
406160080
n÷2
40616008
n÷3
27077338.666667
n÷3
20308004
n÷5
16246403.2
n2
6598640423424256
n3
5.3602086445385E+23
n4
4.3542055437649E+31
n5
3.537008943984E+39
2 √n
9012.8805606199
3 √n
433.08759452974
4 √n
94.936192048238
5 √n
38.189629611872
1 , 2 , 4 , 8 , 16 , 29 , 58 , 116 , 232 , 464 , 175069 , 350138 , 700276 , 1400552 , 2801104 , 5077001 , 10154002 , 20308004 , 40616008 , 81232016
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
-81232015
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 81232016 can be divided by 20 positive divisors.
The sum of these divisors (counting 81232016) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110101111000000010010000
3
Ternary
12122212000101012
4
Quaternary
10311320002100
5
Quinary
131243411031
6
Senary
12021030052
8
Octal
465700220
10
Decimal
81232016
12
Duodecimal
23255328
16
Hexadecimal
4d78090
20
Vigesimal
157e00g
36
Base36
1cd30w
md5
e708b3659c3d9e9a09ebac8041243846
sha1
eab85660a8571e016eac432aa24f77983a22eac8
sha256
cbb3eba637f0ff42ef49169abee9d3f21f1405b483b1588709836d3ba19a6268
sha512
25734fa20446e6ca4b0595633536674e67018b26ac914bc21c6043c3d06f6734736ad9220f928c89dc263d3c388296773f860cca163968078df229304f4acd52
ripemd-160
1b13631da2b71fc70d82427bc5e2ef192d167cdc
Diameter
162464032
Circumference
510395809.40378
Area
2.073024027791E+16
Volume
2.2452789465854E+24
Surface area
8.2920961111641E+16
Circumference
510395809.40378
Perimeter
324928064
Area
6598640423424256
Diagonal
114879418.72611
Surface area
39591842540545536
Volume
5.3602086445385E+23
Space diagonal
140697978.91325
Perimeter
243696048
Area
2.8572951185622E+15
Altitude
70348989.456624
Surface area
2.8572951185622E+15
Volume
6.3170664685465E+22
Height
38293139.575369