12902809 (number)

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.

Interesting facts

Basic properties

Name

Name twelve million nine hundred two thousand eight hundred nine

Notation

Scientific notation 1.2902809 × 10^7
Engineering notation 1.2902809 × 10^6

Prime Factorization of 12902809

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.

Most popular turbo-numbers

Basic calculations (n = 12902809)

Multiplication

n×y
n×2 25805618
n×3 38708427
n×4 51611236
n×5 64514045

Division

n÷y
n÷2 6451404.5
n÷3 4300936.3333333
n÷3 3225702.25
n÷5 2580561.8

Exponentiation

ny
n2 166482480090481
n3 2.1480916424538E+21
n4 2.7716416177077E+28
n5 3.5761962409734E+35

Nth Root

y√n
2√n 3592.0480230643
3√n 234.54603170104
4√n 59.933696891351
5√n 26.432415571783

Divisors of 12902809

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 conversion 12902809

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

Cryptographic Hash Functions

md5 85314d8a85df5b5eb95d2378d235aa0c
sha1 59137418808cd53b9668a441c590300a17be4cdd
sha256 26e1149148e4b3670c978c93e35f57faf191277b776ad9bd41aa41d0a2364746
sha512 932930840951f3578326ba7d47d0130ecb2847b314fbba433cc62fc26e68a1c9d48240023f0f555e3b7d76759e6159a879821be8ac7585403fe38fe24409eed6
ripemd-160 7d1c79981409cc46b6b8010a204a402c24696f3f

12902809 as geometric shapes

Circle

Radius = n
Diameter 25805618
Circumference 81070739.930145
Area 5.2302013640366E+14

Sphere

Radius = n
Volume 8.9979052308939E+21
Surface area 2.0920805456147E+15
Circumference 81070739.930145

Square

Length = n
Perimeter 51611236
Area 166482480090481
Diagonal 18247327.48051

Cube

Length = n
Surface area 998894880542886
Volume 2.1480916424538E+21
Space diagonal 22348320.748357

Equilateral Triangle

Length = n
Perimeter 38708427
Area 72089028521697
Altitude 11174160.374178

Triangular Pyramid

Length = n
Surface area 72089028521697
Volume 2.5315502783154E+20
Height 6082442.4935032