12897209 is an odd 8-digits composite number following 12897208
and preceding 12897210 . In scientific notation, it is written as 1.2897209 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 11520720 positive integers (up to 12897209) that are relatively prime to 12897209.
12897209 has 8 divisors, whose sum is 14337792
The reverse of 12897209 is 90279821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million eight hundred ninety-seven thousand two hundred nine
Scientific notation
1.2897209 × 10^7
Engineering notation
1.2897209 × 10^6
Prime Factorization
13 × 31 × 32003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12897209
Product of the distinct prime numbers
The prime factorization of 12897209 is 13 × 31 × 32003.
Since it has a total of 3 prime factors.
5 , 7 , 9 , 60 , 456 , 747 , 5612 , 764 , 76059 , 31672 , 819072 , 971944 , 9352208 , 6100285 , 52302895 , 87852402 , 838044650 , 604183012 , 6501124917 , 3357496642
n×2
25794418
n×3
38691627
n×4
51588836
n×5
64486045
n÷2
6448604.5
n÷3
4299069.6666667
n÷3
3224302.25
n÷5
2579441.8
n2
166337999989681
n3
2.1452959505089E+21
n4
2.7668330240567E+28
n5
3.5684423779361E+35
2 √n
3591.2684388667
3 √n
234.51209470218
4 √n
59.927192816506
5 √n
26.430120765571
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
-12897208
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 12897209 can be divided by 8 positive divisors.
The sum of these divisors (counting 12897209) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001100101110111001
3
Ternary
220021020122102
4
Quaternary
301030232321
5
Quinary
11300202314
6
Senary
1140233145
8
Octal
61145671
10
Decimal
12897209
12
Duodecimal
439b7b5
16
Hexadecimal
c4cbb9
20
Vigesimal
40c309
36
Base36
7ofjt
md5
9b7a146e1373f51fbe177d2bfa2e08e0
sha1
ffa526314a0e796d9d1680bee12f5c326eb20b47
sha256
fe88aa86bc6794cdf4ec2d0ea04ee3dfcd11053dc12bb7505d5b795e5480d827
sha512
ffe53170141e21be1f25ddcc3ceee1af3b78e36209d4ad42bc2e55eb7539dae909edaf9d5c6aa0b9bc559bfd702ccec5741f4c383da9030fc31ab719862893e6
ripemd-160
38e8aa6dc3f56b46c95c68ed3c36cb2235576712
Diameter
25794418
Circumference
81035554.092424
Area
5.225662387804E+14
Volume
8.9861946638596E+21
Surface area
2.0902649551216E+15
Circumference
81035554.092424
Perimeter
51588836
Area
166337999989681
Diagonal
18239407.88456
Surface area
998027999938086
Volume
2.1452959505089E+21
Space diagonal
22338621.263835
Perimeter
38691627
Area
72026466802880
Altitude
11169310.631917
Surface area
72026466802880
Volume
2.5282555237615E+20
Height
6079802.6281868