12805968 is an even 8-digits composite number following 12805967
and preceding 12805969 . In scientific notation, it is written as 1.2805968 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 3658752 positive integers (up to 12805968) that are relatively prime to 12805968.
12805968 has 20 divisors, whose sum is 25993748
The reverse of 12805968 is 86950821
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million eight hundred five thousand nine hundred sixty-eight
Scientific notation
1.2805968 × 10^7
Engineering notation
1.2805968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 21 × 38113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1600746
Product of the distinct prime numbers
The prime factorization of 12805968 is 2 × 2 × 2 × 2 × 21 × 38113.
Since it has a total of 6 prime factors.
10 , 5 , 76 , 91 , 386 , 453 , 7648 , 2005 , 49974 , 16452 , 495194 , 366291 , 3136288 , 162608 , 88201171 , 3444708 , 38048365 , 490763988 , 3872803001 , 9574101720
n×2
25611936
n×3
38417904
n×4
51223872
n×5
64029840
n÷2
6402984
n÷3
4268656
n÷3
3201492
n÷5
2561193.6
n2
163992816417024
n3
2.1000867592663E+21
n4
2.6893643836388E+28
n5
3.4439914237218E+35
2 √n
3578.5427201586
3 √n
233.95776869549
4 √n
59.820922093851
5 √n
26.392618638885
1 , 2 , 4 , 8 , 16 , 21 , 42 , 84 , 168 , 336 , 38113 , 76226 , 152452 , 304904 , 609808 , 800373 , 1600746 , 3201492 , 6402984 , 12805968
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
-12805967
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 12805968 can be divided by 20 positive divisors.
The sum of these divisors (counting 12805968) is 1, the average is 0.05.
Base
System
Value
2
Binary
110000110110011101010000
3
Ternary
220002121111010
4
Quaternary
300312131100
5
Quinary
11234242333
6
Senary
1134250520
8
Octal
60663520
10
Decimal
12805968
12
Duodecimal
4356a40
16
Hexadecimal
c36750
20
Vigesimal
400ei8
36
Base36
7mh5c
md5
ff309ff3a26a0ee8c80a6ed8f0f1fb79
sha1
39bd93c21c74028197128b68108c51b32987015a
sha256
6d9d8181005c3f4ee2ed85dce197fa926ec6cbd638f26f329b7dc238089454a9
sha512
dd6d9ea05ac482c3ea9b8076c405f34ef1ea886d3d4a759fd1e93bb1a886bf6a0bd02d5dfcc627e9e054df30051fee9e74e3a547aecfb284649d4887d6fc7291
ripemd-160
c395c7cb7c4c143c206b39212754fc6c7a44a639
Diameter
25611936
Circumference
80462269.981812
Area
5.1519862729722E+14
Volume
8.7968228464162E+21
Surface area
2.0607945091889E+15
Circumference
80462269.981812
Perimeter
51223872
Area
163992816417024
Diagonal
18110373.624916
Surface area
983956898502144
Volume
2.1000867592663E+21
Space diagonal
22180587.216101
Perimeter
38417904
Area
71010972527650
Altitude
11090293.608051
Surface area
71010972527650
Volume
2.4749759809288E+20
Height
6036791.2083053