12921875 is an odd 8-digits composite number following 12921874
and preceding 12921876 . In scientific notation, it is written as 1.2921875 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 14 positive divisors.
There are 10325000 positive integers (up to 12921875) that are relatively prime to 12921875.
12921875 has 14 divisors, whose sum is 16171668
The reverse of 12921875 is 57812921
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million nine hundred twenty-one thousand eight hundred seventy-five
Scientific notation
1.2921875 × 10^7
Engineering notation
1.2921875 × 10^6
Prime Factorization
5 × 5 × 5 × 5 × 25 × 827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
103375
Product of the distinct prime numbers
The prime factorization of 12921875 is 5 × 5 × 5 × 5 × 25 × 827.
Since it has a total of 6 prime factors.
4 , 3 , 99 , 16 , 776 , 873 , 9837 , 506 , 36630 , 33055 , 819344 , 629380 , 7630813 , 7176401 , 30311916 , 96492884 , 958704007 , 873001365 , 2892192958 , 1619320596
n×2
25843750
n×3
38765625
n×4
51687500
n×5
64609375
n÷2
6460937.5
n÷3
4307291.6666667
n÷3
3230468.75
n÷5
2584375
n2
166974853515625
n3
2.1576281852722E+21
n4
2.7880601706564E+28
n5
3.6026965017701E+35
2 √n
3594.7009611371
3 √n
234.66150148791
4 √n
59.955825080947
5 √n
26.440222597768
1 , 5 , 25 , 125 , 625 , 827 , 3125 , 4135 , 15625 , 20675 , 103375 , 516875 , 2584375 , 12921875
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12921874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12921875 can be divided by 14 positive divisors.
The sum of these divisors (counting 12921875) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
110001010010110000010011
3
Ternary
220022111110222
4
Quaternary
301102300103
5
Quinary
11302000000
6
Senary
1140543255
8
Octal
61226023
10
Decimal
12921875
12
Duodecimal
43b1b2b
16
Hexadecimal
c52c13
20
Vigesimal
40f4df
36
Base36
7oykz
md5
e06763fe49b2df7710aa7be0fb6b527f
sha1
873dc5b82d42dfe75f9e39f2044ac201cb3fedf5
sha256
14b401fe7ea516b0327b489a07f558372bf90d1ed10268d2c444685cef4173e3
sha512
767b59e550a372905edd90f8473816f0a2f8860478454be2ae2b080fdf664e1063baacab6de1d0a66bef2ebe924feaa9f851914997a4b363b7623207a780cef1
ripemd-160
2d92a07b3f784812310ee83c0dce8e4240246832
Diameter
25843750
Circumference
81190535.141211
Area
5.2456697313892E+14
Volume
9.0378518080393E+21
Surface area
2.0982678925557E+15
Circumference
81190535.141211
Perimeter
51687500
Area
166974853515625
Diagonal
18274290.87629
Surface area
1001849121093750
Volume
2.1576281852722E+21
Space diagonal
22381344.029054
Perimeter
38765625
Area
72302232468858
Altitude
11190672.014527
Surface area
72302232468858
Volume
2.5427892018087E+20
Height
6091430.2920966