12805216 is an even 8-digits composite number following 12805215
and preceding 12805217 . In scientific notation, it is written as 1.2805216 × 10^7.
The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors.
There are 6025728 positive integers (up to 12805216) that are relatively prime to 12805216.
12805216 has 24 divisors, whose sum is 26694360
The reverse of 12805216 is 61250821
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million eight hundred five thousand two hundred sixteen
Scientific notation
1.2805216 × 10^7
Engineering notation
1.2805216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 17 × 23539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
800326
Product of the distinct prime numbers
The prime factorization of 12805216 is 2 × 2 × 2 × 2 × 2 × 17 × 23539.
Since it has a total of 7 prime factors.
3 , 4 , 93 , 27 , 214 , 855 , 4469 , 8842 , 72981 , 16816 , 300472 , 222159 , 5707460 , 8733188 , 64302151 , 18280724 , 367917492 , 236472089 , 4831942385 , 815634106
n×2
25610432
n×3
38415648
n×4
51220864
n×5
64026080
n÷2
6402608
n÷3
4268405.3333333
n÷3
3201304
n÷5
2561043.2
n2
163973556806656
n3
2.0997168131975E+21
n4
2.6887327331826E+28
n5
3.4429803414673E+35
2 √n
3578.4376479128
3 √n
233.95318906808
4 √n
59.820043864184
5 √n
26.392308662858
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 68 , 136 , 272 , 544 , 23539 , 47078 , 94156 , 188312 , 376624 , 400163 , 753248 , 800326 , 1600652 , 3201304 , 6402608 , 12805216
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12805215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12805216 can be divided by 24 positive divisors.
The sum of these divisors (counting 12805216) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000110110010001100000
3
Ternary
220002120110021
4
Quaternary
300312101200
5
Quinary
11234231331
6
Senary
1134243224
8
Octal
60662140
10
Decimal
12805216
12
Duodecimal
4356514
16
Hexadecimal
c36460
20
Vigesimal
400d0g
36
Base36
7mgkg
md5
d8b6886f3effded04b3aece82ccd2bb2
sha1
6fdd5ee1671f2ede984f4095f5ff0b593831ad09
sha256
e67eb8f107026814e0f0ed37031289e0f5a43e0e182872f192a7fb98b50a0a90
sha512
dcbfa73ef0e38d7d8c2dade00956a3c2699a198e7a7f09afb0296d0f2fbbf117a01eb6aa64c1a5e1c16b9b0f92a71677bad56853b7384b09e53af8e0af07d472
ripemd-160
d6f1bae639650124fe30c5abbc3c288cbbac4c9c
Diameter
25610432
Circumference
80457545.026461
Area
5.1513812144678E+14
Volume
8.795273219947E+21
Surface area
2.0605524857871E+15
Circumference
80457545.026461
Perimeter
51220864
Area
163973556806656
Diagonal
18109310.136317
Surface area
983841340839936
Volume
2.0997168131975E+21
Space diagonal
22179284.713894
Perimeter
38415648
Area
71002632871727
Altitude
11089642.356947
Surface area
71002632871727
Volume
2.4745399953056E+20
Height
6036436.7121057