12784939 is an odd 8-digits composite number following 12784938
and preceding 12784940 . In scientific notation, it is written as 1.2784939 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 12641200 positive integers (up to 12784939) that are relatively prime to 12784939.
12784939 has 4 divisors, whose sum is 12928680
The reverse of 12784939 is 93948721
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million seven hundred eighty-four thousand nine hundred thirty-nine
Scientific notation
1.2784939 × 10^7
Engineering notation
1.2784939 × 10^6
Prime Factorization
89 × 143651
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12784939
Product of the distinct prime numbers
The prime factorization of 12784939 is 89 × 143651.
Since it has a total of 2 prime factors.
9 , 3 , 72 , 20 , 905 , 891 , 1921 , 772 , 63082 , 21968 , 700860 , 343551 , 6552427 , 7659943 , 75293280 , 69854285 , 868823061 , 558346955 , 8466655050 , 6870186932
n×2
25569878
n×3
38354817
n×4
51139756
n×5
63924695
n÷2
6392469.5
n÷3
4261646.3333333
n÷3
3196234.75
n÷5
2556987.8
n2
163454665233721
n3
2.0897579242785E+21
n4
2.6717427586668E+28
n5
3.4158068193246E+35
2 √n
3575.6033057374
3 √n
233.82963590077
4 √n
59.796348598701
5 √n
26.383944944003
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12784938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12784939 can be divided by 4 positive divisors.
The sum of these divisors (counting 12784939) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110001010100101011
3
Ternary
220001112122021
4
Quaternary
300301110223
5
Quinary
11233104224
6
Senary
1134005311
8
Octal
60612453
10
Decimal
12784939
12
Duodecimal
4346837
16
Hexadecimal
c3152b
20
Vigesimal
3ji26j
36
Base36
7m0x7
md5
c99f0df88d4ade3419b56791714cbc65
sha1
867c531169a260c14506ace7f91040de35c8c287
sha256
0458125d8f5441063d59425b03c6528ebbd437331be92a0d7242c5cd1ceee095
sha512
10a5f1f213d85d86103c86bf97204a9270acd5d7375df625c2a088ae1e24093c7792997477334051547c81cd91cc76490893a3ec0ff7c1e4f393dddd70d72da0
ripemd-160
72916c2bb861956d160b4a9b0341662d851d7fce
Diameter
25569878
Circumference
80330140.877987
Area
5.1350797549324E+14
Volume
8.7535575235927E+21
Surface area
2.0540319019729E+15
Circumference
80330140.877987
Perimeter
51139756
Area
163454665233721
Diagonal
18080634.127913
Surface area
980727991402326
Volume
2.0897579242785E+21
Space diagonal
22144163.919669
Perimeter
38354817
Area
70777946229742
Altitude
11072081.959834
Surface area
70777946229742
Volume
2.4628033321595E+20
Height
6026878.0426376