12909520 is an even 8-digits composite number following 12909519
and preceding 12909521 . In scientific notation, it is written as 1.2909520 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 4766208 positive integers (up to 12909520) that are relatively prime to 12909520.
12909520 has 20 divisors, whose sum is 25399044
The reverse of 12909520 is 02590921
Previous prime number is 65
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million nine hundred nine thousand five hundred twenty
Scientific notation
1.2909520 × 10^7
Engineering notation
1.2909520 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 65 × 12413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1613690
Product of the distinct prime numbers
The prime factorization of 12909520 is 2 × 2 × 2 × 2 × 65 × 12413.
Since it has a total of 6 prime factors.
8 , 5 , 14 , 62 , 355 , 304 , 3857 , 2711 , 75218 , 57302 , 880435 , 601327 , 8897408 , 8352674 , 88935796 , 19856929 , 252907501 , 55787787 , 8171536308 , 8073685622
n×2
25819040
n×3
38728560
n×4
51638080
n×5
64547600
n÷2
6454760
n÷3
4303173.3333333
n÷3
3227380
n÷5
2581904
n2
166655706630400
n3
2.1514451778593E+21
n4
2.7774124552478E+28
n5
3.5855061639271E+35
2 √n
3592.9820483827
3 √n
234.58668862573
4 √n
59.941488539931
5 √n
26.435164601816
1 , 2 , 4 , 8 , 16 , 65 , 130 , 260 , 520 , 1040 , 12413 , 24826 , 49652 , 99304 , 198608 , 806845 , 1613690 , 3227380 , 6454760 , 12909520
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12909519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12909520 can be divided by 20 positive divisors.
The sum of these divisors (counting 12909520) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001001111101111010000
3
Ternary
220021212112101
4
Quaternary
301033233100
5
Quinary
11301101040
6
Senary
1140410144
8
Octal
61175720
10
Decimal
12909520
12
Duodecimal
43a6954
16
Hexadecimal
c4fbd0
20
Vigesimal
40ddg0
36
Base36
7op1s
md5
5295e399ed8284fa5063cb9dc5fcad09
sha1
fda176c133767b4191a3b98c3b205d48ee4cb360
sha256
c37d81e516ce69bdd48c3b053bde148b6dc7f0b5b089bfb42ba377dbdf4e97c6
sha512
95b8c997486fdc6f3b52dbfc8818ce77803cd2fdc58e7a92ebef54154e5eb1bb2ebacdd680d00ac6d33bc1d9df69d7abf90e947ceb0a3cb21fbf484499727c4f
ripemd-160
f86543741c31c787e4c7fa598426b70914d51477
Diameter
25819040
Circumference
81112906.386741
Area
5.2356434362888E+14
Volume
9.0119524871519E+21
Surface area
2.0942573745155E+15
Circumference
81112906.386741
Perimeter
51638080
Area
166655706630400
Diagonal
18256818.267727
Surface area
999934239782400
Volume
2.1514451778593E+21
Space diagonal
22359944.541327
Perimeter
38728560
Area
72164037813787
Altitude
11179972.270663
Surface area
72164037813787
Volume
2.5355024576923E+20
Height
6085606.0892422