12821420 is an even 8-digits composite number following 12821419
and preceding 12821421 . In scientific notation, it is written as 1.2821420 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 5115456 positive integers (up to 12821420) that are relatively prime to 12821420.
12821420 has 24 divisors, whose sum is 26993904
The reverse of 12821420 is 02412821
Previous prime number is 643
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twelve million eight hundred twenty-one thousand four hundred twenty
Scientific notation
1.2821420 × 10^7
Engineering notation
1.2821420 × 10^6
Prime Factorization
2 × 2 × 5 × 643 × 997
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6410710
Product of the distinct prime numbers
The prime factorization of 12821420 is 2 × 2 × 5 × 643 × 997.
Since it has a total of 5 prime factors.
8 , 7 , 65 , 22 , 139 , 697 , 8278 , 5411 , 23554 , 86076 , 24290 , 674331 , 6795016 , 7619261 , 92452202 , 78049314 , 431616069 , 42059043 , 9263442659 , 1520362265
n×2
25642840
n×3
38464260
n×4
51285680
n×5
64107100
n÷2
6410710
n÷3
4273806.6666667
n÷3
3205355
n÷5
2564284
n2
164388810816400
n3
2.1076979867776E+21
n4
2.702368112163E+28
n5
3.4648196560649E+35
2 √n
3580.7010486775
3 √n
234.05183063042
4 √n
59.838959288055
5 √n
26.39898476524
1 , 2 , 4 , 5 , 10 , 20 , 643 , 997 , 1286 , 1994 , 2572 , 3215 , 3988 , 4985 , 6430 , 9970 , 12860 , 19940 , 641071 , 1282142 , 2564284 , 3205355 , 6410710 , 12821420
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
-12821419
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 12821420 can be divided by 24 positive divisors.
The sum of these divisors (counting 12821420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111010001110101100
3
Ternary
220010101200102
4
Quaternary
300322032230
5
Quinary
11240241140
6
Senary
1134450232
8
Octal
60721654
10
Decimal
12821420
12
Duodecimal
4363978
16
Hexadecimal
c3a3ac
20
Vigesimal
402db0
36
Base36
7mt2k
md5
4629c7ad130a947ce578dd87d3c84985
sha1
b57e59cad158b40484da7fc632d76f92fa5c9c76
sha256
ec16f47435ceaa2fa4cca7b601e49c81330be08c7e9331fac0605bde57bc4e02
sha512
38e3afdff104874462d72cf7ff3d49b6ddcb60dd0ba124d6dcb518e4d9389e0f6abc2a33a9effa9eadd958aa5452389a8190202e62ab3c07255ce64779f4dd49
ripemd-160
85c6df79b950f09721de2fd8d9d76162fa331014
Diameter
25642840
Circumference
80559357.761178
Area
5.1644268039316E+14
Volume
8.828704681662E+21
Surface area
2.0657707215727E+15
Circumference
80559357.761178
Perimeter
51285680
Area
164388810816400
Diagonal
18132226.052882
Surface area
986332864898400
Volume
2.1076979867776E+21
Space diagonal
22207350.86518
Perimeter
38464260
Area
71182443132458
Altitude
11103675.43259
Surface area
71182443132458
Volume
2.4839458985728E+20
Height
6044075.3509605