81796782 is an even 8-digits composite number following 81796781
and preceding 81796783 . In scientific notation, it is written as 8.1796782 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 27196800 positive integers (up to 81796782) that are relatively prime to 81796782.
81796782 has 16 divisors, whose sum is 164006352
The reverse of 81796782 is 28769718
Previous prime number is 401
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-one million seven hundred ninety-six thousand seven hundred eighty-two
Scientific notation
8.1796782 × 10^7
Engineering notation
8.1796782 × 10^6
Prime Factorization
2 × 3 × 401 × 33997
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81796782
Product of the distinct prime numbers
The prime factorization of 81796782 is 2 × 3 × 401 × 33997.
Since it has a total of 4 prime factors.
3 , 8 , 49 , 63 , 184 , 251 , 4052 , 5373 , 8310 , 87532 , 891418 , 859032 , 9954194 , 8089423 , 97291672 , 69543059 , 823500114 , 475187819 , 4364828181 , 3624988451
n×2
163593564
n×3
245390346
n×4
327187128
n×5
408983910
n÷2
40898391
n÷3
27265594
n÷3
20449195.5
n÷5
16359356.4
n2
6690713545555524
n3
5.4727883731025E+23
n4
4.476564774868E+31
n5
3.6616859299876E+39
2 √n
9044.1573405155
3 √n
434.08895866645
4 √n
95.10077465781
5 √n
38.242585264574
1 , 2 , 3 , 6 , 401 , 802 , 1203 , 2406 , 33997 , 67994 , 101991 , 203982 , 13632797 , 27265594 , 40898391 , 81796782
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81796781
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81796782 can be divided by 16 positive divisors.
The sum of these divisors (counting 81796782) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000000001111010101110
3
Ternary
12200220201002110
4
Quaternary
10320001322232
5
Quinary
131414444112
6
Senary
12041104450
8
Octal
470017256
10
Decimal
81796782
12
Duodecimal
23488126
16
Hexadecimal
4e01eae
20
Vigesimal
15b4bj2
36
Base36
1cp6su
md5
0d2b066e36d551a589fa5c056488d9cf
sha1
ebf9b4d3037e44278778d854f39e1428669e950e
sha256
d0fddab56ecbad255d8f1195fdf2f9a780071421e4f4b355cd9168b0a6836e19
sha512
dd2cac449bb8a7bf74394c9a6b3f710a2fbfe1913e09dd644730166a42e56bd64608eeffac6708cd165b6a358800148ce71e3e862cec899cabd8e964f14c6006
ripemd-160
af996e122fe3e9d8d85c1e05a885107f835c4d88
Diameter
163593564
Circumference
513944338.83697
Area
2.1019496521991E+16
Volume
2.2924362330121E+24
Surface area
8.4077986087964E+16
Circumference
513944338.83697
Perimeter
327187128
Area
6690713545555524
Diagonal
115678118.46288
Surface area
40144281273333144
Volume
5.4727883731025E+23
Space diagonal
141676182.31964
Perimeter
245390346
Area
2.8971639499479E+15
Altitude
70838091.159818
Surface area
2.8971639499479E+15
Volume
6.4497429510328E+22
Height
38559372.820958