81373162 is an even 8-digits composite number following 81373161
and preceding 81373163 . In scientific notation, it is written as 8.1373162 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 35577360 positive integers (up to 81373162) that are relatively prime to 81373162.
81373162 has 24 divisors, whose sum is 139138560
The reverse of 81373162 is 26137318
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million three hundred seventy-three thousand one hundred sixty-two
Scientific notation
8.1373162 × 10^7
Engineering notation
8.1373162 × 10^6
Prime Factorization
2 × 19 × 13 × 13 × 12671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6259474
Product of the distinct prime numbers
The prime factorization of 81373162 is 2 × 19 × 13 × 13 × 12671.
Since it has a total of 5 prime factors.
6 , 5 , 2 , 99 , 295 , 393 , 4105 , 6183 , 34473 , 61818 , 801796 , 723644 , 832688 , 6214608 , 85330652 , 24010808 , 809346653 , 169346418 , 909312500 , 1177131929
n×2
162746324
n×3
244119486
n×4
325492648
n×5
406865810
n÷2
40686581
n÷3
27124387.333333
n÷3
20343290.5
n÷5
16274632.4
n2
6621591493878244
n3
5.3881983732918E+23
n4
4.3845473911801E+31
n5
3.5678448515917E+39
2 √n
9020.7074001987
3 √n
433.33828883222
4 √n
94.97740468237
5 √n
38.202891798918
1 , 2 , 13 , 19 , 26 , 38 , 169 , 247 , 338 , 494 , 3211 , 6422 , 12671 , 25342 , 164723 , 240749 , 329446 , 481498 , 2141399 , 3129737 , 4282798 , 6259474 , 40686581 , 81373162
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81373161
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81373162 can be divided by 24 positive divisors.
The sum of these divisors (counting 81373162) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110011010011111101010
3
Ternary
12200010011222211
4
Quaternary
10312122133222
5
Quinary
131312420122
6
Senary
12024035334
8
Octal
466323752
10
Decimal
81373162
12
Duodecimal
23302b4a
16
Hexadecimal
4d9a7ea
20
Vigesimal
158bci2
36
Base36
1cg3xm
md5
759d4c079717d268d1930a9936167045
sha1
11b53337d08504e4475cffbb35af4afdd198ac31
sha256
19a3b6213d7ed2a1df6272c1412a9e25f263396003da931c6493dd9c3596a6d2
sha512
99781c8168c46eeb68aa7f296e744403e7c7043b22a1eda0166385f513a4d0ee4477ae687daf539988d9707c8b9194cd43a40a07c5b1c53f23504bbf95eaf08a
ripemd-160
6fb2bb8445e9923e388f896abf468e5a91c85232
Diameter
162746324
Circumference
511282655.87714
Area
2.0802343192241E+16
Volume
2.2570032567491E+24
Surface area
8.3209372768962E+16
Circumference
511282655.87714
Perimeter
325492648
Area
6621591493878244
Diagonal
115079029.31358
Surface area
39729548963269464
Volume
5.3881983732918E+23
Space diagonal
140942450.95653
Perimeter
244119486
Area
2.8672332235908E+15
Altitude
70471225.478267
Surface area
2.8672332235908E+15
Volume
6.3500526802216E+22
Height
38359676.437861