12912409 is an odd 8-digits composite number following 12912408
and preceding 12912410 . In scientific notation, it is written as 1.2912409 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 12870580 positive integers (up to 12912409) that are relatively prime to 12912409.
12912409 has 4 divisors, whose sum is 12954240
The reverse of 12912409 is 90421921
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million nine hundred twelve thousand four hundred nine
Scientific notation
1.2912409 × 10^7
Engineering notation
1.2912409 × 10^6
Prime Factorization
311 × 41519
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12912409
Product of the distinct prime numbers
The prime factorization of 12912409 is 311 × 41519.
Since it has a total of 2 prime factors.
1 , 10 , 69 , 77 , 21 , 293 , 4639 , 1995 , 7575 , 94336 , 247438 , 483324 , 7831130 , 3353941 , 84385047 , 56411670 , 29765948 , 477672564 , 6829611865 , 652008476
n×2
25824818
n×3
38737227
n×4
51649636
n×5
64562045
n÷2
6456204.5
n÷3
4304136.3333333
n÷3
3228102.25
n÷5
2582481.8
n2
166730306183281
n3
2.1528899061338E+21
n4
2.7798994999971E+28
n5
3.5895199322858E+35
2 √n
3593.3840596296
3 √n
234.60418657542
4 √n
59.944841810031
5 √n
26.436347672218
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
-12912408
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 12912409 can be divided by 4 positive divisors.
The sum of these divisors (counting 12912409) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010000011100011001
3
Ternary
220022000111101
4
Quaternary
301100130121
5
Quinary
11301144114
6
Senary
1140431401
8
Octal
61203431
10
Decimal
12912409
12
Duodecimal
43a8561
16
Hexadecimal
c50719
20
Vigesimal
40e109
36
Base36
7ora1
md5
fcd5a32f81da47212c87334f1dcb5992
sha1
8c80e4824faddeefbe34640d2eb5e23f5c49d7c9
sha256
059917cf648dcd2220a40b101c3ecec0ca339922ac8b94a734ae8025a4a8cdf6
sha512
3c6c584b4b2cc9b40e860da18590b5f90118a03d5c7b9386c1361e5fa3e2b77026c12fcb5028628c0536f0ffba0a029614e2e53d234e49566f95142519972856
ripemd-160
6e63893d71fffbf6e7d729566ad229e640f8d662
Diameter
25824818
Circumference
81131058.509093
Area
5.2379870503617E+14
Volume
9.0180041507966E+21
Surface area
2.0951948201447E+15
Circumference
81131058.509093
Perimeter
51649636
Area
166730306183281
Diagonal
18260903.930708
Surface area
1000381837099686
Volume
2.1528899061338E+21
Space diagonal
22364948.43611
Perimeter
38737227
Area
72196340367740
Altitude
11182474.218055
Surface area
72196340367740
Volume
2.5372050862921E+20
Height
6086967.9769028