12905855 is an odd 8-digits composite number following 12905854
and preceding 12905856 . In scientific notation, it is written as 1.2905855 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 10324680 positive integers (up to 12905855) that are relatively prime to 12905855.
12905855 has 4 divisors, whose sum is 15487032
The reverse of 12905855 is 55850921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million nine hundred five thousand eight hundred fifty-five
Scientific notation
1.2905855 × 10^7
Engineering notation
1.2905855 × 10^6
Prime Factorization
5 × 2581171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12905855
Product of the distinct prime numbers
The prime factorization of 12905855 is 5 × 2581171.
Since it has a total of 2 prime factors.
9 , 5 , 48 , 37 , 439 , 781 , 2038 , 572 , 1316 , 35046 , 321012 , 450997 , 1227687 , 9776324 , 23510265 , 77212230 , 964767737 , 186601857 , 6320777922 , 5977446409
n×2
25811710
n×3
38717565
n×4
51623420
n×5
64529275
n÷2
6452927.5
n÷3
4301951.6666667
n÷3
3226463.75
n÷5
2581171
n2
166561093281025
n3
2.1496133185264E+21
n4
2.774259779497E+28
n5
3.5804194446521E+35
2 √n
3592.4719901483
3 √n
234.56448688138
4 √n
59.937233754556
5 √n
26.433663447903
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12905854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12905855 can be divided by 4 positive divisors.
The sum of these divisors (counting 12905855) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001110110101111111
3
Ternary
220021200111122
4
Quaternary
301032311333
5
Quinary
11300441410
6
Senary
1140341155
8
Octal
61166577
10
Decimal
12905855
12
Duodecimal
43a47bb
16
Hexadecimal
c4ed7f
20
Vigesimal
40d4cf
36
Base36
7om7z
md5
563585ebeab4187ab57952dc03561381
sha1
629f5fa562fad5d022dd3a7321cbe6f562d8eb8d
sha256
aec7bf6090f806c29b0586eee626c267e8ee237fca7fe09252392fc0585630dd
sha512
ced92414df4a96fb312926899f6f069f349123c0824f828a30bd9d234e53dc28b73f90cdfaa7d0d2112d3097169da12194a990ac00964470d73778ac09820ec0
ripemd-160
5f5769230193cb4307f95399d205524d4a8574b3
Diameter
25811710
Circumference
81089878.51259
Area
5.2326710702555E+14
Volume
9.0042792127217E+21
Surface area
2.0930684281022E+15
Circumference
81089878.51259
Perimeter
51623420
Area
166561093281025
Diagonal
18251635.175021
Surface area
999366559686150
Volume
2.1496133185264E+21
Space diagonal
22353596.575117
Perimeter
38717565
Area
72123069031739
Altitude
11176798.287558
Surface area
72123069031739
Volume
2.5333435907649E+20
Height
6083878.3916735