815820105 is an odd 9-digits composite number following 815820104
and preceding 815820106 . In scientific notation, it is written as 8.15820105 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 433728960 positive integers (up to 815820105) that are relatively prime to 815820105.
815820105 has 16 divisors, whose sum is 1309437504
The reverse of 815820105 is 501028518
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
eight hundred fifteen million eight hundred twenty thousand one hundred five
Scientific notation
8.15820105 × 10^8
Engineering notation
8.15820105 × 10^6
Prime Factorization
5 × 3 × 317 × 171571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
815820105
Product of the distinct prime numbers
The prime factorization of 815820105 is 5 × 3 × 317 × 171571.
Since it has a total of 4 prime factors.
3 , 2 , 48 , 53 , 784 , 165 , 8265 , 7852 , 64624 , 48988 , 876721 , 45809 , 6523326 , 248257 , 29731137 , 18106675 , 278453275 , 15550812 , 7586652804 , 1426427494
n×2
1631640210
n×3
2447460315
n×4
3263280420
n×5
4079100525
n÷2
407910052.5
n÷3
271940035
n÷3
203955026.25
n÷5
163164021
n2
665562443722211025
n3
5.4297922272151E+26
n4
4.4297336649348E+35
n5
3.6138657836492E+44
2 √n
28562.564748285
3 √n
934.39706998873
4 √n
169.00462936939
5 √n
60.578550956686
1 , 3 , 5 , 15 , 317 , 951 , 1585 , 4755 , 171571 , 514713 , 857855 , 2573565 , 54388007 , 163164021 , 271940035 , 815820105
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
-815820104
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 815820105 can be divided by 16 positive divisors.
The sum of these divisors (counting 815820105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000101000000110110101001001
3
Ternary
2002212002221210110
4
Quaternary
300220012311021
5
Quinary
3132322220410
6
Senary
212541504533
8
Octal
6050066511
10
Decimal
815820105
12
Duodecimal
1a9272149
16
Hexadecimal
30a06d49
20
Vigesimal
ceiha55
36
Base36
dhputl
md5
41285976804c75e281e596468e6184eb
sha1
70b506c87dd298dec78f8526b8878cd9574209ba
sha256
99684fc8d34eb9e2b7e50e0b6e253bf1c36b03d45cd5d729dbc4184e4870b96f
sha512
4b501a6f01bb9db04b9a6053ae574ac4d5e16fa8c27d007608fffeef8eba92e4846dfb6597d517a70d837e600ca1e60266853fc61c8871f8b07320403f4f16cb
ripemd-160
6db51399d84bbac04a822e2cbbd143d9ff9fb276
Diameter
1631640210
Circumference
5125948897.0377
Area
2.090926083703E+18
Volume
2.2744260495384E+27
Surface area
8.3637043348119E+18
Circumference
5125948897.0377
Perimeter
3263280420
Area
665562443722211025
Diagonal
1153743856.9476
Surface area
3993374662333266150
Volume
5.4297922272151E+26
Space diagonal
1413041871.6962
Perimeter
2447460315
Area
2.8819699203414E+17
Altitude
706520935.84809
Surface area
2.8819699203414E+17
Volume
6.399071507163E+25
Height
384581285.64921