12805984 is an even 8-digits composite number following 12805983
and preceding 12805985 . In scientific notation, it is written as 1.2805984 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 12 positive divisors.
There are 6402976 positive integers (up to 12805984) that are relatively prime to 12805984.
12805984 has 12 divisors, whose sum is 25211844
The reverse of 12805984 is 48950821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million eight hundred five thousand nine hundred eighty-four
Scientific notation
1.2805984 × 10^7
Engineering notation
1.2805984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 400187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
800374
Product of the distinct prime numbers
The prime factorization of 12805984 is 2 × 2 × 2 × 2 × 2 × 400187.
Since it has a total of 6 prime factors.
5 , 3 , 51 , 36 , 346 , 462 , 7820 , 4477 , 53506 , 10562 , 651695 , 700831 , 2859899 , 5124425 , 60706199 , 33095039 , 860917928 , 540683840 , 5137168381 , 996735885
n×2
25611968
n×3
38417952
n×4
51223936
n×5
64029920
n÷2
6402992
n÷3
4268661.3333333
n÷3
3201496
n÷5
2561196.8
n2
163993226208256
n3
2.1000946309313E+21
n4
2.6893778242192E+28
n5
3.4440129386906E+35
2 √n
3578.5449557048
3 √n
233.95786613242
4 √n
59.820940779168
5 √n
26.392625233962
1 , 2 , 4 , 8 , 16 , 32 , 400187 , 800374 , 1600748 , 3201496 , 6402992 , 12805984
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12805983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12805984 can be divided by 12 positive divisors.
The sum of these divisors (counting 12805984) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000110110011101100000
3
Ternary
220002121111201
4
Quaternary
300312131200
5
Quinary
11234242414
6
Senary
1134250544
8
Octal
60663540
10
Decimal
12805984
12
Duodecimal
4356a54
16
Hexadecimal
c36760
20
Vigesimal
400ej4
36
Base36
7mh5s
md5
7da91b6d5bb915735c3ecf31838b060d
sha1
711fde11d65ccb63a19d53275e64a65953e982f3
sha256
58fe31e8e3c7ea28c58eb4f5b5990c2a3dd273fa2e7d0a6160735e2fbadd0090
sha512
23c21b53cc634263c81f91abfbf8a8d844763766df8be502a275d9315254a4f891612b28b85145e58aa98d4cf75a24b2c8c71a495697717a4e91996ca5000598
ripemd-160
17780f0d8844727ba70e19932fb92839c693e224
Diameter
25611968
Circumference
80462370.512777
Area
5.1519991469435E+14
Volume
8.7968558191695E+21
Surface area
2.0607996587774E+15
Circumference
80462370.512777
Perimeter
51223936
Area
163993226208256
Diagonal
18110396.252333
Surface area
983959357249536
Volume
2.1000946309313E+21
Space diagonal
22180614.928914
Perimeter
38417952
Area
71011149972459
Altitude
11090307.464457
Surface area
71011149972459
Volume
2.474985257775E+20
Height
6036798.7507776