81773145 is an odd 8-digits composite number following 81773144
and preceding 81773146 . In scientific notation, it is written as 8.1773145 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 39564288 positive integers (up to 81773145) that are relatively prime to 81773145.
81773145 has 24 divisors, whose sum is 122496192
The reverse of 81773145 is 54137718
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million seven hundred seventy-three thousand one hundred forty-five
Scientific notation
8.1773145 × 10^7
Engineering notation
8.1773145 × 10^6
Prime Factorization
3 × 2295 × 3 × 37 × 107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27257715
Product of the distinct prime numbers
The prime factorization of 81773145 is 3 × 2295 × 3 × 37 × 107.
Since it has a total of 5 prime factors.
9 , 3 , 44 , 17 , 937 , 60 , 4999 , 6046 , 3597 , 47285 , 667946 , 675113 , 9357139 , 8718470 , 50134778 , 90666636 , 190506770 , 236316311 , 2536928095 , 7595084046
n×2
163546290
n×3
245319435
n×4
327092580
n×5
408865725
n÷2
40886572.5
n÷3
27257715
n÷3
20443286.25
n÷5
16354629
n2
6686847243191025
n3
5.4680452921031E+23
n4
4.4713926053771E+31
n5
3.6563983587143E+39
2 √n
9042.8504908574
3 √n
434.04714141739
4 √n
95.093903542012
5 √n
38.240374799885
1 , 3 , 9 , 37 , 107 , 111 , 321 , 333 , 963 , 2295 , 3959 , 6885 , 11877 , 20655 , 35631 , 84915 , 245565 , 254745 , 736695 , 764235 , 2210085 , 9085905 , 27257715 , 81773145
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
-81773144
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 81773145 can be divided by 24 positive divisors.
The sum of these divisors (counting 81773145) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111111100001001011001
3
Ternary
12200212111200000
4
Quaternary
10313330021121
5
Quinary
131413220040
6
Senary
12040403213
8
Octal
467741131
10
Decimal
81773145
12
Duodecimal
23476509
16
Hexadecimal
4dfc259
20
Vigesimal
15b1ch5
36
Base36
1cook9
md5
0628922ec80405b5dcf3489e7bf25c65
sha1
a2324f78054bc770413077baafb3aa6b7f2b0111
sha256
1d6c57c6b04f463665e7d28e1108ebd65a91b3c23fb3917b37f9e0c02027faa2
sha512
5251dbbb3411b95dc6a01cc458280f40e29954505ddba6a9c911528a4c01a91bf8d227a6043c8d55f4f0fadd96a3f138dc60ac416d3599ba8da62ebdbf4c7313
ripemd-160
35b6256d0f8f5961be4bf6dc0e32f3f95b7aeb43
Diameter
163546290
Circumference
513795823.18587
Area
2.1007350174886E+16
Volume
2.290449455889E+24
Surface area
8.4029400699544E+16
Circumference
513795823.18587
Perimeter
327092580
Area
6686847243191025
Diagonal
115644690.6969
Surface area
40121083459146150
Volume
5.4680452921031E+23
Space diagonal
141635241.8347
Perimeter
245319435
Area
2.8954897919147E+15
Altitude
70817620.917348
Surface area
2.8954897919147E+15
Volume
6.4441531764688E+22
Height
38548230.232301