12789985 is an odd 8-digits composite number following 12789984
and preceding 12789986 . In scientific notation, it is written as 1.2789985 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 9444864 positive integers (up to 12789985) that are relatively prime to 12789985.
12789985 has 8 divisors, whose sum is 16528680
The reverse of 12789985 is 58998721
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million seven hundred eighty-nine thousand nine hundred eighty-five
Scientific notation
1.2789985 × 10^7
Engineering notation
1.2789985 × 10^6
Prime Factorization
5 × 13 × 196769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12789985
Product of the distinct prime numbers
The prime factorization of 12789985 is 5 × 13 × 196769.
Since it has a total of 3 prime factors.
3 , 7 , 48 , 55 , 400 , 313 , 7546 , 9321 , 97345 , 21937 , 877030 , 161521 , 7261611 , 5677390 , 97508596 , 92307675 , 860179501 , 186012593 , 1172722856 , 6463037653
n×2
25579970
n×3
38369955
n×4
51159940
n×5
63949925
n÷2
6394992.5
n÷3
4263328.3333333
n÷3
3197496.25
n÷5
2557997
n2
163583716300225
n3
2.0922332777241E+21
n4
2.6759632238592E+28
n5
3.4225529493711E+35
2 √n
3576.3088513158
3 √n
233.8603947269
4 √n
59.802247878452
5 √n
26.386027274986
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12789984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12789985 can be divided by 8 positive divisors.
The sum of these divisors (counting 12789985) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000110010100011100001
3
Ternary
220001210120011
4
Quaternary
300302203201
5
Quinary
11233234420
6
Senary
1134044521
8
Octal
60624341
10
Decimal
12789985
12
Duodecimal
4349741
16
Hexadecimal
c328e1
20
Vigesimal
3jiej5
36
Base36
7m4td
md5
b7a7591447fdf2640864988366c835b3
sha1
eff1af7c4b16b8b58bc8fb144d49c0c0e4dda8e7
sha256
bfb28186a92aa2136a764bb79bbaf4cec070d709a34620db3a6bf13859d394ca
sha512
4211573ce5b037cc1d8c59b82fe2817f58ac6f2c9cdcf78f83e26a5a9f385c57ec5aad56d6106e7b9b66f33d5b135bb7884dd606d40b85d3928b52af8fcff957
ripemd-160
84d63841b2dd381e314a225d7967eb3ab1a07936
Diameter
25579970
Circumference
80361845.831047
Area
5.139134013757E+14
Volume
8.763926259859E+21
Surface area
2.0556536055028E+15
Circumference
80361845.831047
Perimeter
51159940
Area
163583716300225
Diagonal
18087770.249548
Surface area
981502297801350
Volume
2.0922332777241E+21
Space diagonal
22152903.848044
Perimeter
38369955
Area
70833826980731
Altitude
11076451.924022
Surface area
70833826980731
Volume
2.4657205641715E+20
Height
6029256.7498495