12812405 is an odd 8-digits composite number following 12812404
and preceding 12812406 . In scientific notation, it is written as 1.2812405 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 10155456 positive integers (up to 12812405) that are relatively prime to 12812405.
12812405 has 8 divisors, whose sum is 15516600
The reverse of 12812405 is 50421821
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twelve million eight hundred twelve thousand four hundred five
Scientific notation
1.2812405 × 10^7
Engineering notation
1.2812405 × 10^6
Prime Factorization
5 × 109 × 23509
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12812405
Product of the distinct prime numbers
The prime factorization of 12812405 is 5 × 109 × 23509.
Since it has a total of 3 prime factors.
1 , 4 , 23 , 39 , 554 , 85 , 2950 , 6685 , 72796 , 25265 , 572061 , 914682 , 6968676 , 6629029 , 98833296 , 69193576 , 741353936 , 776373727 , 2104208130 , 8881681232
n×2
25624810
n×3
38437215
n×4
51249620
n×5
64062025
n÷2
6406202.5
n÷3
4270801.6666667
n÷3
3203101.25
n÷5
2562481
n2
164157721884025
n3
2.1032552166555E+21
n4
2.6947757654153E+28
n5
3.4526558490686E+35
2 √n
3579.4419956189
3 √n
233.99696224171
4 √n
59.828438017542
5 √n
26.395271388574
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12812404
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12812405 can be divided by 8 positive divisors.
The sum of these divisors (counting 12812405) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111000000001110101
3
Ternary
220002221022112
4
Quaternary
300320001311
5
Quinary
11234444110
6
Senary
1134340405
8
Octal
60700165
10
Decimal
12812405
12
Duodecimal
435a705
16
Hexadecimal
c38075
20
Vigesimal
401b05
36
Base36
7mm45
md5
235c5b92c04fd1459898fc67b88a2320
sha1
b44fc1d22a63b25496a7fee9ead7ca3712f1eb2e
sha256
966e10f97f1785d58e466e152c5fac25f65c2596680012aa5916efe6f53dabb9
sha512
aa54ec9ab2995f1c01c1df41700cd944566f55f045eee2fae6175dff25104f07601fe249e71104925f5c39a5e563546253580ec65f9c8943e0dbcc88b0788284
ripemd-160
e0ee496d56ca4d2e3b87764558ed404471e70752
Diameter
25624810
Circumference
80502714.845634
Area
5.1571669310089E+14
Volume
8.8100948496924E+21
Surface area
2.0628667724036E+15
Circumference
80502714.845634
Perimeter
51249620
Area
164157721884025
Diagonal
18119476.917617
Surface area
984946331304150
Volume
2.1032552166555E+21
Space diagonal
22191736.42715
Perimeter
38437215
Area
71082378689473
Altitude
11095868.213575
Surface area
71082378689473
Volume
2.4787100437718E+20
Height
6039825.6392056