12985256 is an even 8-digits composite number following 12985255
and preceding 12985257 . In scientific notation, it is written as 1.2985256 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors.
There are 6492624 positive integers (up to 12985256) that are relatively prime to 12985256.
12985256 has 8 divisors, whose sum is 24347370
The reverse of 12985256 is 65258921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred eighty-five thousand two hundred fifty-six
Scientific notation
1.2985256 × 10^7
Engineering notation
1.2985256 × 10^6
Prime Factorization
2 × 2 × 2 × 1623157
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3246314
Product of the distinct prime numbers
The prime factorization of 12985256 is 2 × 2 × 2 × 1623157.
Since it has a total of 4 prime factors.
9 , 2 , 55 , 77 , 382 , 338 , 8196 , 9854 , 29963 , 32648 , 795444 , 217007 , 1099533 , 5508369 , 18788656 , 27349584 , 787638828 , 286649118 , 7029248154 , 4341925047
n×2
25970512
n×3
38955768
n×4
51941024
n×5
64926280
n÷2
6492628
n÷3
4328418.6666667
n÷3
3246314
n÷5
2597051.2
n2
168616873385536
n3
2.1895332668308E+21
n4
2.8431649990314E+28
n5
3.6919225362662E+35
2 √n
3603.5060704819
3 √n
235.04454263564
4 √n
60.029210143745
5 √n
26.466109390483
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
-12985255
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 12985256 can be divided by 8 positive divisors.
The sum of these divisors (counting 12985256) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100010001110101000
3
Ternary
220102201102102
4
Quaternary
301202032220
5
Quinary
11311012011
6
Senary
1142152532
8
Octal
61421650
10
Decimal
12985256
12
Duodecimal
4422748
16
Hexadecimal
c623a8
20
Vigesimal
41332g
36
Base36
7qbhk
md5
96f46cbd1cb087874122ccc0fccc7152
sha1
61b666d766bb28a018ecdb882d1bbd47df8c0ebe
sha256
edb68f19e4ffc7cd4e16c7d64e7c9b1f422dcd5433a082fbd8e161efda328168
sha512
1133fa9731af1fae9f26233314a1a1126bc77124f85e4547f2bdd674408380949ec719fa99ba2daaf34484bb2affce7587b0c378b90262fb7eb5dd471280878e
ripemd-160
d8078e26d78ebd300495fa14c3fdefecc7fdbbc4
Diameter
25970512
Circumference
81588769.709166
Area
5.2972553069928E+14
Volume
9.1714955011547E+21
Surface area
2.1189021227971E+15
Circumference
81588769.709166
Perimeter
51941024
Area
168616873385536
Diagonal
18363925.146087
Surface area
1011701240313216
Volume
2.1895332668308E+21
Space diagonal
22491123.141289
Perimeter
38955768
Area
73013247929289
Altitude
11245561.570644
Surface area
73013247929289
Volume
2.580389701016E+20
Height
6121308.3820289