820978045 is an odd 9-digits composite number following 820978044
and preceding 820978046 . In scientific notation, it is written as 8.20978045 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 656624640 positive integers (up to 820978045) that are relatively prime to 820978045.
820978045 has 8 divisors, whose sum is 985410360
The reverse of 820978045 is 540879028
Previous prime number is 4729
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
eight hundred twenty million nine hundred seventy-eight thousand forty-five
Scientific notation
8.20978045 × 10^8
Engineering notation
8.20978045 × 10^6
Prime Factorization
5 × 4729 × 34721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
820978045
Product of the distinct prime numbers
The prime factorization of 820978045 is 5 × 4729 × 34721.
Since it has a total of 3 prime factors.
3 , 1 , 66 , 70 , 813 , 73 , 4161 , 7919 , 86466 , 4310 , 181729 , 572608 , 5858196 , 8423848 , 58730558 , 29476265 , 81659858 , 907692062 , 6698000718 , 2965202228
n×2
1641956090
n×3
2462934135
n×4
3283912180
n×5
4104890225
n÷2
410489022.5
n÷3
273659348.33333
n÷3
205244511.25
n÷5
164195609
n2
674004950372022025
n3
5.5334326647674E+26
n4
4.5428267312599E+35
n5
3.7295610086035E+44
2 √n
28652.714443836
3 √n
936.36214474465
4 √n
169.27112702359
5 √n
60.654958319917
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
-820978044
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 820978045 can be divided by 8 positive divisors.
The sum of these divisors (counting 820978045) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111011110010000101111101
3
Ternary
2010012211000011021
4
Quaternary
300323302011331
5
Quinary
3140132244140
6
Senary
213244224141
8
Octal
6073620575
10
Decimal
820978045
12
Duodecimal
1aab3b051
16
Hexadecimal
30ef217d
20
Vigesimal
cgb2525
36
Base36
dksepp
md5
1528ea80daffabdd3d9fda5247d75154
sha1
ea20d86132d36af07d48edddde078326ef2b160c
sha256
96f526ee772e5437d04e487e7919ee9a3d485bbf159dc36bf5ebb42b2a782907
sha512
385549f9763e5669a8cd8d18e7430e59d43502d6b79092cedf24b90ff46bd3b73b61249484d6e4e8cdaefeebd81a30eebfd33e7b49b92190110a2113a6e126a7
ripemd-160
451231a336a6e5b07fe4ebb6e2034eead6e14130
Diameter
1641956090
Circumference
5158357189.861
Area
2.1174490005719E+18
Volume
2.3178388545023E+27
Surface area
8.4697960022876E+18
Circumference
5158357189.861
Perimeter
3283912180
Area
674004950372022025
Diagonal
1161038285.6495
Surface area
4044029702232132150
Volume
5.5334326647674E+26
Space diagonal
1421975685.8386
Perimeter
2462934135
Area
2.9185270464932E+17
Altitude
710987842.91928
Surface area
2.9185270464932E+17
Volume
6.5212129341603E+25
Height
387012761.88318