12908900 is an even 8-digits composite number following 12908899
and preceding 12908901 . In scientific notation, it is written as 1.2908900 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 18 positive divisors.
There are 5163520 positive integers (up to 12908900) that are relatively prime to 12908900.
12908900 has 18 divisors, whose sum is 28012530
The reverse of 12908900 is 00980921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million nine hundred eight thousand nine hundred
Scientific notation
1.2908900 × 10^7
Engineering notation
1.2908900 × 10^6
Prime Factorization
2 × 2 × 5 × 5 × 129089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1290890
Product of the distinct prime numbers
The prime factorization of 12908900 is 2 × 2 × 5 × 5 × 129089.
Since it has a total of 5 prime factors.
5 , 10 , 31 , 19 , 735 , 968 , 686 , 202 , 26479 , 71401 , 737344 , 968164 , 6007661 , 6813508 , 33990008 , 4243528 , 434862318 , 702351010 , 3303749043 , 4447802185
n×2
25817800
n×3
38726700
n×4
51635600
n×5
64544500
n÷2
6454450
n÷3
4302966.6666667
n÷3
3227225
n÷5
2581780
n2
166639699210000
n3
2.151135213132E+21
n4
2.7768789352799E+28
n5
3.5846452487635E+35
2 √n
3592.89576804
3 √n
234.58293310073
4 √n
59.940768830905
5 √n
26.434910678868
1 , 2 , 4 , 5 , 10 , 20 , 25 , 50 , 100 , 129089 , 258178 , 516356 , 645445 , 1290890 , 2581780 , 3227225 , 6454450 , 12908900
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12908899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12908900 can be divided by 18 positive divisors.
The sum of these divisors (counting 12908900) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
110001001111100101100100
3
Ternary
220021211200102
4
Quaternary
301033211210
5
Quinary
11301041100
6
Senary
1140403232
8
Octal
61174544
10
Decimal
12908900
12
Duodecimal
43a6518
16
Hexadecimal
c4f964
20
Vigesimal
40dc50
36
Base36
7ookk
md5
944ddf5533463eae9be6edbb5f3a2a09
sha1
8a50c67a2ef14f8bcd0d61493a2ba21a9880e499
sha256
3bee6cc0f2146c19eb9c0dee2f30273bf5e963a3852ead1adb6559b0e694388e
sha512
9f0181111d4136bf5506c897216e2d253a7ed381243346af7bc50a5a3810ab0a90dfad06bc438b196c78cfd44455e2425778eb7c20f8e4404d332682583881e2
ripemd-160
b640a0b84690f3828dba33ea4de8cbb7c2254345
Diameter
25817800
Circumference
81109010.811851
Area
5.2351405483455E+14
Volume
9.0106541099383E+21
Surface area
2.0940562193382E+15
Circumference
81109010.811851
Perimeter
51635600
Area
166639699210000
Diagonal
18255941.455318
Surface area
999838195260000
Volume
2.151135213132E+21
Space diagonal
22358870.669826
Perimeter
38726700
Area
72157106397429
Altitude
11179435.334913
Surface area
72157106397429
Volume
2.535137160758E+20
Height
6085313.8184393