81358082 is an even 8-digits composite number following 81358081
and preceding 81358083 . In scientific notation, it is written as 8.1358082 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 37500672 positive integers (up to 81358082) that are relatively prime to 81358082.
81358082 has 16 divisors, whose sum is 131596920
The reverse of 81358082 is 28085318
Previous prime number is 1013
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million three hundred fifty-eight thousand eighty-two
Scientific notation
8.1358082 × 10^7
Engineering notation
8.1358082 × 10^6
Prime Factorization
2 × 13 × 1013 × 3089
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81358082
Product of the distinct prime numbers
The prime factorization of 81358082 is 2 × 13 × 1013 × 3089.
Since it has a total of 4 prime factors.
4 , 5 , 58 , 38 , 189 , 908 , 2228 , 2289 , 96195 , 49014 , 505926 , 191599 , 166238 , 5382207 , 5754952 , 53756327 , 296241009 , 764586463 , 9683176151 , 6400212176
n×2
162716164
n×3
244074246
n×4
325432328
n×5
406790410
n÷2
40679041
n÷3
27119360.666667
n÷3
20339520.5
n÷5
16271616.4
n2
6619137506718724
n3
5.385203320409E+23
n4
4.3812981332851E+31
n5
3.5645401279425E+39
2 √n
9019.8715068453
3 √n
433.31151855994
4 √n
94.973004095086
5 √n
38.201475748948
1 , 2 , 13 , 26 , 1013 , 2026 , 3089 , 6178 , 13169 , 26338 , 40157 , 80314 , 3129157 , 6258314 , 40679041 , 81358082
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
-81358081
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 81358082 can be divided by 16 positive divisors.
The sum of these divisors (counting 81358082) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010110110100000010
3
Ternary
12200002102022022
4
Quaternary
10312112310002
5
Quinary
131311424312
6
Senary
12023441442
8
Octal
466266402
10
Decimal
81358082
12
Duodecimal
232b6282
16
Hexadecimal
4d96d02
20
Vigesimal
1589f42
36
Base36
1cfsaq
md5
59ef7eb50a8a7f26dce8ac7bc6c3ac83
sha1
976714fedf4ee646d7e63e7d6277392e84e727da
sha256
aed967b2d49e3ccc96666afc1f9038d75642e8d6f2f6a37ea8c9b5db4afac77d
sha512
cfd90be29234788171cb634785483b4153c2bfce3182765054ff28d3b1435eca0898eaec565e3cb2638d383e89fcb352f20c36c5c83b2d4d4f1d9fa6ed169d55
ripemd-160
f6fde6be6b367f76df31df03f17c65cca4b4c5f0
Diameter
162716164
Circumference
511187905.44271
Area
2.0794633764208E+16
Volume
2.2557486919312E+24
Surface area
8.3178535056833E+16
Circumference
511187905.44271
Perimeter
325432328
Area
6619137506718724
Diagonal
115057702.97306
Surface area
39714825040312344
Volume
5.385203320409E+23
Space diagonal
140916331.63035
Perimeter
244074246
Area
2.8661706159804E+15
Altitude
70458165.815177
Surface area
2.8661706159804E+15
Volume
6.3465229765492E+22
Height
38352567.657687