12985418 is an even 8-digits composite number following 12985417
and preceding 12985419 . In scientific notation, it is written as 1.2985418 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 6492708 positive integers (up to 12985418) that are relatively prime to 12985418.
12985418 has 4 divisors, whose sum is 19478130
The reverse of 12985418 is 81458921
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 four hundred eighteen
Scientific notation
1.2985418 × 10^7
Engineering notation
1.2985418 × 10^6
Prime Factorization
2 × 6492709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12985418
Product of the distinct prime numbers
The prime factorization of 12985418 is 2 × 6492709.
Since it has a total of 2 prime factors.
7 , 4 , 44 , 79 , 132 , 989 , 3995 , 1854 , 12560 , 19466 , 606057 , 669982 , 2253881 , 2814530 , 13923283 , 72949343 , 499252163 , 457742243 , 5177535172 , 6483596182
n×2
25970836
n×3
38956254
n×4
51941672
n×5
64927090
n÷2
6492709
n÷3
4328472.6666667
n÷3
3246354.5
n÷5
2597083.6
n2
168621080634724
n3
2.1896152156536E+21
n4
2.8433068834422E+28
n5
3.6921528383774E+35
2 √n
3603.5285485202
3 √n
235.04552007902
4 √n
60.029397369291
5 √n
26.466175426737
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
-12985417
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 12985418 can be divided by 4 positive divisors.
The sum of these divisors (counting 12985418) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100010010001001010
3
Ternary
220102201122102
4
Quaternary
301202101022
5
Quinary
11311013133
6
Senary
1142153402
8
Octal
61422112
10
Decimal
12985418
12
Duodecimal
4422862
16
Hexadecimal
c6244a
20
Vigesimal
4133ai
36
Base36
7qbm2
md5
5ce637fea79c094cbb85db7db8bd6be5
sha1
6ea05b8448716e6456a24cda88f27a47baf00d12
sha256
81e890cb1325d085e432d2ec0051c674a92839208db9df31f279e490a8c910a0
sha512
af876b16518936d5d48cebd2d70343a5ea83875147d0a6d0b63de41fa345de07a268ac4277afa11d7e94564495bfb59357fdfa0e94166df4ca49bd83e7f57137
ripemd-160
9311fb10eab4906791f2daaec17e3c1be8901b6c
Diameter
25970836
Circumference
81589787.585185
Area
5.2973874816242E+14
Volume
9.171838767581E+21
Surface area
2.1189549926497E+15
Circumference
81589787.585185
Perimeter
51941672
Area
168621080634724
Diagonal
18364154.248684
Surface area
1011726483808344
Volume
2.1896152156536E+21
Space diagonal
22491403.733519
Perimeter
38956254
Area
73015069721628
Altitude
11245701.86676
Surface area
73015069721628
Volume
2.5804862786298E+20
Height
6121384.7495612