821042020 is an even 9-digits composite number following 821042019
and preceding 821042021 . In scientific notation, it is written as 8.21042020 × 10^8.
The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors.
There are 328300896 positive integers (up to 821042020) that are relatively prime to 821042020.
821042020 has 24 divisors, whose sum is 1724796864
The reverse of 821042020 is 020240128
Previous prime number is 3863
Is Prime? no
Number parity even
Number length 9
Sum of Digits 19
Digital Root 1
Name
eight hundred twenty-one million forty-two thousand twenty
Scientific notation
8.21042020 × 10^8
Engineering notation
8.21042020 × 10^6
Prime Factorization
2 × 2 × 5 × 3863 × 10627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
410521010
Product of the distinct prime numbers
The prime factorization of 821042020 is 2 × 2 × 5 × 3863 × 10627.
Since it has a total of 5 prime factors.
4 , 2 , 41 , 21 , 247 , 432 , 6805 , 3328 , 97476 , 97192 , 206016 , 424148 , 9034963 , 7506965 , 13907173 , 72075704 , 726191552 , 340839819 , 7151754271 , 2113315799
n×2
1642084040
n×3
2463126060
n×4
3284168080
n×5
4105210100
n÷2
410521010
n÷3
273680673.33333
n÷3
205260505
n÷5
164208404
n2
674109998605680400
n3
5.534726349574E+26
n4
4.5442429022015E+35
n5
3.7310143717942E+44
2 √n
28653.830808463
3 √n
936.38646622829
4 √n
169.27442455511
5 √n
60.655903602202
1 , 2 , 4 , 5 , 10 , 20 , 3863 , 7726 , 10627 , 15452 , 19315 , 21254 , 38630 , 42508 , 53135 , 77260 , 106270 , 212540 , 41052101 , 82104202 , 164208404 , 205260505 , 410521010 , 821042020
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
-821042019
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 821042020 can be divided by 24 positive divisors.
The sum of these divisors (counting 821042020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111100000001101101100100
3
Ternary
2010012221020220201
4
Quaternary
300330001231210
5
Quinary
3140141321040
6
Senary
213245440244
8
Octal
6074015544
10
Decimal
821042020
12
Duodecimal
1aab70084
16
Hexadecimal
30f01b64
20
Vigesimal
cgba510
36
Base36
dkts2s
md5
b2a1566406f6679535b01d1682b448e9
sha1
19c8ffbc33810280f9d1bab62555b3c300bedbf5
sha256
78148fd9834e69ed9631c6f83c38b9a5aebc953a48b525a5c5115ac3f0e029d4
sha512
cc01e2863d058c0791ad19f5664e6b7a938d764fbaf48058a9063128b1ded8565bc7cb7cf0dea4d9053fef4ea69a25742341372d5ebce68501c5f534bb2f0de8
ripemd-160
692baa3453742a7e1b45bbf76c3a5603feabb8cd
Diameter
1642084040
Circumference
5158759156.641
Area
2.117779019331E+18
Volume
2.3183807519269E+27
Surface area
8.4711160773241E+18
Circumference
5158759156.641
Perimeter
3284168080
Area
674109998605680400
Diagonal
1161128759.9622
Surface area
4044659991634082400
Volume
5.534726349574E+26
Space diagonal
1422086493.789
Perimeter
2463126060
Area
2.9189819186881E+17
Altitude
711043246.89449
Surface area
2.9189819186881E+17
Volume
6.5227375563261E+25
Height
387042919.9874