820056987 is an odd 9-digits composite number following 820056986
and preceding 820056988 . In scientific notation, it is written as 8.20056987 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 530880480 positive integers (up to 820056987) that are relatively prime to 820056987.
820056987 has 16 divisors, whose sum is 875331072
The reverse of 820056987 is 789650028
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
eight hundred twenty million fifty-six thousand nine hundred eighty-seven
Scientific notation
8.20056987 × 10^8
Engineering notation
8.20056987 × 10^6
Prime Factorization
27 × 47 × 131 × 4933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
820056987
Product of the distinct prime numbers
The prime factorization of 820056987 is 27 × 47 × 131 × 4933.
Since it has a total of 4 prime factors.
5 , 2 , 87 , 65 , 470 , 816 , 266 , 923 , 71921 , 14984 , 346628 , 728595 , 5662662 , 3913996 , 84027186 , 79453117 , 258956020 , 218685264 , 3404033577 , 7066472628
n×2
1640113974
n×3
2460170961
n×4
3280227948
n×5
4100284935
n÷2
410028493.5
n÷3
273352329
n÷3
205014246.75
n÷5
164011397.4
n2
672493461927518169
n3
5.5148296216548E+26
n4
4.5224745633526E+35
n5
3.7086868642071E+44
2 √n
28636.637145447
3 √n
936.01184444249
4 √n
169.22363057637
5 √n
60.641342408344
1 , 27 , 47 , 131 , 1269 , 3537 , 4933 , 6157 , 133191 , 166239 , 231851 , 646223 , 6259977 , 17448021 , 30372481 , 820056987
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
-820056986
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 820056987 can be divided by 16 positive divisors.
The sum of these divisors (counting 820056987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111000010001001110011011
3
Ternary
2010011002012201000
4
Quaternary
300320101032123
5
Quinary
3134413310422
6
Senary
213212400043
8
Octal
6070211633
10
Decimal
820056987
12
Duodecimal
1aa776023
16
Hexadecimal
30e1139b
20
Vigesimal
cg57297
36
Base36
dk8o0r
md5
63a1d8b5c72c3c86a4735673c2f38d36
sha1
71a46eb89cfbe34477d59b7a7fa54cf57e766aa5
sha256
6fc82910dbc857a07c1aa866127c3cbf64901498bd7505e76c930bdd6098f096
sha512
42ee090312e1736e82ffaf3f385e610139697a1aceb0ea30401a8ec7890cdea3a7ea468d85e86612bc13691712125e1c729381b577f06f247aa72288b246f8e5
ripemd-160
e1dbf8caba61ebfa4c9e503d7c7ace2b309cda1c
Diameter
1640113974
Circumference
5152570011.7684
Area
2.1127005195787E+18
Volume
2.3100464300253E+27
Surface area
8.4508020783146E+18
Circumference
5152570011.7684
Perimeter
3280227948
Area
672493461927518169
Diagonal
1159735712.9342
Surface area
4034960771565109014
Volume
5.5148296216548E+26
Space diagonal
1420380366.5859
Perimeter
2460170961
Area
2.9119821095409E+17
Altitude
710190183.29293
Surface area
2.9119821095409E+17
Volume
6.4992890376009E+25
Height
386578570.97807