820396988 is an even 9-digits composite number following 820396987
and preceding 820396989 . In scientific notation, it is written as 8.20396988 × 10^8.
The sum of its digits is 53. It has a total of 5 prime factors and 24 positive divisors.
There are 404501760 positive integers (up to 820396988) that are relatively prime to 820396988.
820396988 has 24 divisors, whose sum is 1455679680
The reverse of 820396988 is 889693028
Previous prime number is 1481
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
eight hundred twenty million three hundred ninety-six thousand nine hundred eighty-eight
Scientific notation
8.20396988 × 10^8
Engineering notation
8.20396988 × 10^6
Prime Factorization
2 × 2 × 79 × 1481 × 1753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
410198494
Product of the distinct prime numbers
The prime factorization of 820396988 is 2 × 2 × 79 × 1481 × 1753.
Since it has a total of 5 prime factors.
4 , 7 , 54 , 57 , 247 , 780 , 7939 , 1402 , 91529 , 46540 , 772784 , 371217 , 9424977 , 7660754 , 24069835 , 91723190 , 958401954 , 40475970 , 3366303668 , 3626539328
n×2
1640793976
n×3
2461190964
n×4
3281587952
n×5
4101984940
n÷2
410198494
n÷3
273465662.66667
n÷3
205099247
n÷5
164079397.6
n2
673051217919472144
n3
5.5216919195087E+26
n4
4.5299794194288E+35
n5
3.7163814714014E+44
2 √n
28642.572998947
3 √n
936.14118545014
4 √n
169.24116815641
5 √n
60.646370034198
1 , 2 , 4 , 79 , 158 , 316 , 1481 , 1753 , 2962 , 3506 , 5924 , 7012 , 116999 , 138487 , 233998 , 276974 , 467996 , 553948 , 2596193 , 5192386 , 10384772 , 205099247 , 410198494 , 820396988
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
-820396987
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 820396988 can be divided by 24 positive divisors.
The sum of these divisors (counting 820396988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111001100100001110111100
3
Ternary
2010011201111002122
4
Quaternary
300321210032330
5
Quinary
3140010200423
6
Senary
213223542112
8
Octal
6071441674
10
Decimal
820396988
12
Duodecimal
1aa8ba938
16
Hexadecimal
30e643bc
20
Vigesimal
cg79c98
36
Base36
dkfyd8
md5
b55d055eea5c7b5c8ec159b2611ae4ea
sha1
434cab94e7f0bbe65a1f564fd67fd898571c080f
sha256
63f04906a5aed8e04e8e2dc56a2b6ebe83370bfa02f86e80e6f12f6b0aac42de
sha512
6b048f4335182963dde4bd71c008e2604e89485009d56f8a3faed2d5354b937b87146aa755be057683984e3018a7d23af4af9666f86823d21b4501f4a28f5e90
ripemd-160
c580256726698204a5dd23ea0e4e7e62f6e59c03
Diameter
1640793976
Circumference
5154706301.056
Area
2.1144527617055E+18
Volume
2.3129209026286E+27
Surface area
8.4578110468219E+18
Circumference
5154706301.056
Perimeter
3281587952
Area
673051217919472144
Diagonal
1160216546.9596
Surface area
4038307307516832864
Volume
5.5216919195087E+26
Space diagonal
1420969265.5925
Perimeter
2461190964
Area
2.9143972638316E+17
Altitude
710484632.79624
Surface area
2.9143972638316E+17
Volume
6.5073763331792E+25
Height
386738848.98655