820171145 is an odd 9-digits composite number following 820171144
and preceding 820171146 . In scientific notation, it is written as 8.20171145 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 627609136 positive integers (up to 820171145) that are relatively prime to 820171145.
820171145 has 8 divisors, whose sum is 1026997056
The reverse of 820171145 is 541171028
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
eight hundred twenty million one hundred seventy-one thousand one hundred forty-five
Scientific notation
8.20171145 × 10^8
Engineering notation
8.20171145 × 10^6
Prime Factorization
5 × 23 × 7131923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
820171145
Product of the distinct prime numbers
The prime factorization of 820171145 is 5 × 23 × 7131923.
Since it has a total of 3 prime factors.
3 , 2 , 2 , 89 , 492 , 370 , 5888 , 9405 , 51550 , 12928 , 940173 , 465004 , 515017 , 3123534 , 23314574 , 87989982 , 357601894 , 124832227 , 9606484673 , 4064296836
n×2
1640342290
n×3
2460513435
n×4
3280684580
n×5
4100855725
n÷2
410085572.5
n÷3
273390381.66667
n÷3
205042786.25
n÷5
164034229
n2
672680707090611025
n3
5.5171330575392E+26
n4
4.5249933369192E+35
n5
3.7112689662584E+44
2 √n
28638.630291968
3 √n
936.05527568526
4 √n
169.22951956431
5 √n
60.643030659047
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
-820171144
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 820171145 can be divided by 8 positive divisors.
The sum of these divisors (counting 820171145) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111000101101000110001001
3
Ternary
2010011022000022002
4
Quaternary
300320231012021
5
Quinary
3134430434040
6
Senary
213215040345
8
Octal
6070550611
10
Decimal
820171145
12
Duodecimal
1aa8100b5
16
Hexadecimal
30e2d189
20
Vigesimal
cg617h5
36
Base36
dkb43t
md5
3dbd7820eae1bd3c9b7111ccb0e3d773
sha1
3c986731bdd985831ae17a203acbc124a45f09c3
sha256
6fcffa9b90e2ad2d1d3e7bae994506805bc4b7ead34edc427d28cb9cb8678b56
sha512
4667cb6ebf853dd0a2dcb09db93ac49018a32c1af52bf347bb388131e6f9dfdc2899256e606dc30d8e0e66aca8d0e589c9b44b422d0cdcd6d953f317ea4c0134
ripemd-160
f216d94cc43c63f2857e18bb7ae1de1fa09715f8
Diameter
1640342290
Circumference
5153287287.6367
Area
2.1132887676075E+18
Volume
2.3110112909923E+27
Surface area
8.4531550704298E+18
Circumference
5153287287.6367
Perimeter
3280684580
Area
672680707090611025
Diagonal
1159897156.7261
Surface area
4036084242543666150
Volume
5.5171330575392E+26
Space diagonal
1420578094.0419
Perimeter
2460513435
Area
2.9127929048807E+17
Altitude
710289047.02097
Surface area
2.9127929048807E+17
Volume
6.502003662824E+25
Height
386632385.57536