12981609 is an odd 8-digits composite number following 12981608
and preceding 12981610 . In scientific notation, it is written as 1.2981609 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 9 positive divisors.
There are 8647200 positive integers (up to 12981609) that are relatively prime to 12981609.
12981609 has 9 divisors, whose sum is 18766839
The reverse of 12981609 is 90618921
Previous prime number is 1201
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million nine hundred eighty-one thousand six hundred nine
Scientific notation
1.2981609 × 10^7
Engineering notation
1.2981609 × 10^6
Prime Factorization
3 × 3 × 1201 × 1201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3603
Product of the distinct prime numbers
The prime factorization of 12981609 is 3 × 3 × 1201 × 1201.
Since it has a total of 4 prime factors.
4 , 3 , 82 , 57 , 499 , 795 , 4141 , 5184 , 36798 , 25272 , 61552 , 434490 , 7749794 , 4865985 , 76987759 , 19163442 , 747295786 , 559805688 , 12919600 , 7443922656
n×2
25963218
n×3
38944827
n×4
51926436
n×5
64908045
n÷2
6490804.5
n÷3
4327203
n÷3
3245402.25
n÷5
2596321.8
n2
168522172228881
n3
2.187688947706E+21
n4
2.8399722532741E+28
n5
3.6867409362853E+35
2 √n
3603
3 √n
235.02253594049
4 √n
60.024994793836
5 √n
26.464622585043
9 divisors
τ
Total Divisors
9
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12981608
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.11111111111111
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
9
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981609 can be divided by 9 positive divisors.
The sum of these divisors (counting 12981609) is 1, the average is 0.11111111111111.
Base
System
Value
2
Binary
110001100001010101101001
3
Ternary
220102112102100
4
Quaternary
301201111221
5
Quinary
11310402414
6
Senary
1142124013
8
Octal
61412551
10
Decimal
12981609
12
Duodecimal
4420609
16
Hexadecimal
c61569
20
Vigesimal
412e09
36
Base36
7q8o9
md5
4f72f20718250ee935c99ae1833de0ed
sha1
92b262c6a0ddb26cd350e03554cc46659e35f8e6
sha256
f34479b481b2bc4fd14facb2df9e80ff05f1c54c656df0ba81910026e8d8431d
sha512
54230bba8566e1651bdf0ff2a23e8f7ca9fc3f390bd2fea86a0850134637267ca858ddfeaf2d781573c96dda8617af4e13cda800d521229015074c8623e44f9e
ripemd-160
afe3cabdf8afe36dab1ec4ccbfc4ef104a5cc56a
Diameter
25963218
Circumference
81565854.93235
Area
5.2942801824125E+14
Volume
9.1637700352703E+21
Surface area
2.117712072965E+15
Circumference
81565854.93235
Perimeter
51926436
Area
168522172228881
Diagonal
18358767.509225
Surface area
1011133033373286
Volume
2.187688947706E+21
Space diagonal
22484806.351993
Perimeter
38944827
Area
72972241125574
Altitude
11242403.175997
Surface area
72972241125574
Volume
2.5782161500829E+20
Height
6119589.1697415