81573313 is an odd 8-digits composite number following 81573312
and preceding 81573314 . In scientific notation, it is written as 8.1573313 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 78621600 positive integers (up to 81573313) that are relatively prime to 81573313.
81573313 has 8 divisors, whose sum is 84573216
The reverse of 81573313 is 31337518
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million five hundred seventy-three thousand three hundred thirteen
Scientific notation
8.1573313 × 10^7
Engineering notation
8.1573313 × 10^6
Prime Factorization
41 × 83 × 23971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81573313
Product of the distinct prime numbers
The prime factorization of 81573313 is 41 × 83 × 23971.
Since it has a total of 3 prime factors.
10 , 7 , 82 , 21 , 214 , 726 , 8765 , 9787 , 9975 , 86996 , 70827 , 822774 , 8364108 , 6592883 , 78324203 , 46759457 , 473585395 , 276942707 , 8219090045 , 1284677937
n×2
163146626
n×3
244719939
n×4
326293252
n×5
407866565
n÷2
40786656.5
n÷3
27191104.333333
n÷3
20393328.25
n÷5
16314662.6
n2
6654205393795969
n3
5.4280557935441E+23
n4
4.4278449422823E+31
n5
3.6119398139226E+39
2 √n
9031.7945614368
3 √n
433.69328743856
4 √n
95.035754121472
5 √n
38.221666625656
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81573312
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81573313 can be divided by 8 positive divisors.
The sum of these divisors (counting 81573313) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111001011010111000001
3
Ternary
12200111100112211
4
Quaternary
10313023113001
5
Quinary
131340321223
6
Senary
12032222121
8
Octal
467132701
10
Decimal
81573313
12
Duodecimal
2339a941
16
Hexadecimal
4dcb5c1
20
Vigesimal
159gd5d
36
Base36
1ckedd
md5
5b6c159bd9fbf0e1f7ff5c0f6e57170f
sha1
928a202776fd90fa41380d6ca963aa6d5c7cdc84
sha256
2e1ad13565cce0b03a9d2bf01f5dcbb20715af30ce72b155610bb1ba83e3e494
sha512
3173a65dd3b2e06c9b9adbed8e84f439691a4bb50d390e3e49eda8e1796784d52a40de8b62196c56751ed3231a20d6af9fe6c78a7313c855041d49dfe1f828ea
ripemd-160
33d6f5c7c8f7a3d56a43399622831ba6d2c2dd30
Diameter
163146626
Circumference
512540241.69956
Area
2.0904802780627E+16
Volume
2.2736986939031E+24
Surface area
8.3619211122508E+16
Circumference
512540241.69956
Perimeter
326293252
Area
6654205393795969
Diagonal
115362085.57231
Surface area
39925232362775814
Volume
5.4280557935441E+23
Space diagonal
141289122.65772
Perimeter
244719939
Area
2.8813554565134E+15
Altitude
70644561.328859
Surface area
2.8813554565134E+15
Volume
6.3970251004566E+22
Height
38454028.524102