12902809 is an odd 8-digits composite number following 12902808
and preceding 12902810 . In scientific notation, it is written as 1.2902809 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 12782116 positive integers (up to 12902809) that are relatively prime to 12902809.
12902809 has 4 divisors, whose sum is 13023504
The reverse of 12902809 is 90820921
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million nine hundred two thousand eight hundred nine
Scientific notation
1.2902809 × 10^7
Engineering notation
1.2902809 × 10^6
Prime Factorization
107 × 120587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12902809
Product of the distinct prime numbers
The prime factorization of 12902809 is 107 × 120587.
Since it has a total of 2 prime factors.
7 , 10 , 55 , 14 , 362 , 456 , 8179 , 7347 , 49342 , 37152 , 934748 , 360875 , 8154018 , 1248446 , 62354052 , 10157727 , 336614042 , 791622438 , 4650953853 , 2089499118
n×2
25805618
n×3
38708427
n×4
51611236
n×5
64514045
n÷2
6451404.5
n÷3
4300936.3333333
n÷3
3225702.25
n÷5
2580561.8
n2
166482480090481
n3
2.1480916424538E+21
n4
2.7716416177077E+28
n5
3.5761962409734E+35
2 √n
3592.0480230643
3 √n
234.54603170104
4 √n
59.933696891351
5 √n
26.432415571783
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
-12902808
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 12902809 can be divided by 4 positive divisors.
The sum of these divisors (counting 12902809) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001110000110011001
3
Ternary
220021112022211
4
Quaternary
301032012121
5
Quinary
11300342214
6
Senary
1140315121
8
Octal
61160631
10
Decimal
12902809
12
Duodecimal
43a2aa1
16
Hexadecimal
c4e199
20
Vigesimal
40ch09
36
Base36
7ojvd
md5
85314d8a85df5b5eb95d2378d235aa0c
sha1
59137418808cd53b9668a441c590300a17be4cdd
sha256
26e1149148e4b3670c978c93e35f57faf191277b776ad9bd41aa41d0a2364746
sha512
932930840951f3578326ba7d47d0130ecb2847b314fbba433cc62fc26e68a1c9d48240023f0f555e3b7d76759e6159a879821be8ac7585403fe38fe24409eed6
ripemd-160
7d1c79981409cc46b6b8010a204a402c24696f3f
Diameter
25805618
Circumference
81070739.930145
Area
5.2302013640366E+14
Volume
8.9979052308939E+21
Surface area
2.0920805456147E+15
Circumference
81070739.930145
Perimeter
51611236
Area
166482480090481
Diagonal
18247327.48051
Surface area
998894880542886
Volume
2.1480916424538E+21
Space diagonal
22348320.748357
Perimeter
38708427
Area
72089028521697
Altitude
11174160.374178
Surface area
72089028521697
Volume
2.5315502783154E+20
Height
6082442.4935032