81704768 is an even 8-digits composite number following 81704767
and preceding 81704769 . In scientific notation, it is written as 8.1704768 × 10^7.
The sum of its digits is 41. It has a total of 7 prime factors and 14 positive divisors.
There are 40852352 positive integers (up to 81704768) that are relatively prime to 81704768.
81704768 has 14 divisors, whose sum is 162133026
The reverse of 81704768 is 86740718
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million seven hundred four thousand seven hundred sixty-eight
Scientific notation
8.1704768 × 10^7
Engineering notation
8.1704768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 1276637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
2553274
Product of the distinct prime numbers
The prime factorization of 81704768 is 2 × 2 × 2 × 2 × 2 × 2 × 1276637.
Since it has a total of 7 prime factors.
9 , 10 , 85 , 49 , 625 , 418 , 8221 , 6171 , 38632 , 95999 , 967307 , 491120 , 2206280 , 1141339 , 81583647 , 33359289 , 593277929 , 916205009 , 6495409330 , 3838375028
n×2
163409536
n×3
245114304
n×4
326819072
n×5
408523840
n÷2
40852384
n÷3
27234922.666667
n÷3
20426192
n÷5
16340953.6
n2
6675669113933824
n3
5.4543399619873E+23
n4
4.456455811873E+31
n5
3.6411368821134E+39
2 √n
9039.0689786061
3 √n
433.92612728938
4 √n
95.074018420419
5 √n
38.233977498887
1 , 2 , 4 , 8 , 16 , 32 , 64 , 1276637 , 2553274 , 5106548 , 10213096 , 20426192 , 40852384 , 81704768
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81704767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81704768 can be divided by 14 positive divisors.
The sum of these divisors (counting 81704768) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
100110111101011011101000000
3
Ternary
12200202000212112
4
Quaternary
10313223131000
5
Quinary
131404023033
6
Senary
12035114452
8
Octal
467533500
10
Decimal
81704768
12
Duodecimal
23442a28
16
Hexadecimal
4deb740
20
Vigesimal
15ad1i8
36
Base36
1cn7sw
md5
c4ffcaa03ad6e7310dcc902b4f17d460
sha1
beb952b16f3526d99b80937a8a1bac6f320fb447
sha256
b7ceadd7816623fed5e197b975f732e4bd7251a2ee2431c7ef7a8b9db7c1f6d3
sha512
0852ad490f3a209535f9de98a7050486ebfa836a730092b0041034d3cb0df926d64a4f624bc8a115b6a8df84079c356a4bfdbdba7ea485b5c87fb543576c29b5
ripemd-160
ec74d481cb267644b14bead5bd1af534ce7c5b08
Diameter
163409536
Circumference
513366197.82412
Area
2.0972233046131E+16
Volume
2.2847085806347E+24
Surface area
8.3888932184523E+16
Circumference
513366197.82412
Perimeter
326819072
Area
6675669113933824
Diagonal
115547991.01615
Surface area
40054014683602944
Volume
5.4543399619873E+23
Space diagonal
141516809.39663
Perimeter
245114304
Area
2.8906495199629E+15
Altitude
70758404.698314
Surface area
2.8906495199629E+15
Volume
6.42800129003E+22
Height
38515997.005382