12784890 is an even 8-digits composite number following 12784889
and preceding 12784891 . In scientific notation, it is written as 1.2784890 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 3409296 positive integers (up to 12784890) that are relatively prime to 12784890.
12784890 has 16 divisors, whose sum is 30683808
The reverse of 12784890 is 09848721
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million seven hundred eighty-four thousand eight hundred ninety
Scientific notation
1.2784890 × 10^7
Engineering notation
1.2784890 × 10^6
Prime Factorization
2 × 3 × 5 × 426163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12784890
Product of the distinct prime numbers
The prime factorization of 12784890 is 2 × 3 × 5 × 426163.
Since it has a total of 4 prime factors.
8 , 4 , 79 , 47 , 832 , 576 , 8405 , 5740 , 22023 , 47499 , 676856 , 353343 , 8399284 , 7450579 , 24307586 , 94247209 , 182419879 , 959678726 , 9559285972 , 1812878000
n×2
25569780
n×3
38354670
n×4
51139560
n×5
63924450
n÷2
6392445
n÷3
4261630
n÷3
3196222.5
n÷5
2556978
n2
163453412312100
n3
2.0897338965348E+21
n4
2.6717017996469E+28
n5
3.4157413621288E+35
2 √n
3575.5964537403
3 √n
233.82933717254
4 √n
59.796291304229
5 √n
26.383924719968
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 426163 , 852326 , 1278489 , 2130815 , 2556978 , 4261630 , 6392445 , 12784890
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
-12784889
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 12784890 can be divided by 16 positive divisors.
The sum of these divisors (counting 12784890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000110001010011111010
3
Ternary
220001112120110
4
Quaternary
300301103322
5
Quinary
11233104030
6
Senary
1134005150
8
Octal
60612372
10
Decimal
12784890
12
Duodecimal
43467b6
16
Hexadecimal
c314fa
20
Vigesimal
3ji24a
36
Base36
7m0vu
md5
32b0d47120f513bc6dcaafbd0c038900
sha1
2d3e32706fb53d5d91fa5179539622e2a5ad9cc0
sha256
55ffce064bcc616e829d2c9991c9605e835a4698a9a8f6ba70388057c0453729
sha512
3adcd50f34b4acbb07f324b399dbfde0a323e64a8f6f93c8a5cdb7fe2207a1b524a20a0b30a7d5c544f62aa1439623d6da9ed60195bd1c9bd3cf00c84776e3e2
ripemd-160
c7316a5ecd11bb01d769e9d81c099b9c923279a8
Diameter
25569780
Circumference
80329833.001907
Area
5.1350403932388E+14
Volume
8.7534568764153E+21
Surface area
2.0540161572955E+15
Circumference
80329833.001907
Perimeter
51139560
Area
163453412312100
Diagonal
18080564.831448
Surface area
980720473872600
Volume
2.0897338965348E+21
Space diagonal
22144079.049179
Perimeter
38354670
Area
70777403698765
Altitude
11072039.52459
Surface area
70777403698765
Volume
2.462775015192E+20
Height
6026854.9438161