12985897 is an odd 8-digits composite number following 12985896
and preceding 12985898 . In scientific notation, it is written as 1.2985897 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 12807936 positive integers (up to 12985897) that are relatively prime to 12985897.
12985897 has 4 divisors, whose sum is 13163860
The reverse of 12985897 is 79858921
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million nine hundred eighty-five thousand eight hundred ninety-seven
Scientific notation
1.2985897 × 10^7
Engineering notation
1.2985897 × 10^6
Prime Factorization
73 × 177889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12985897
Product of the distinct prime numbers
The prime factorization of 12985897 is 73 × 177889.
Since it has a total of 2 prime factors.
8 , 5 , 4 , 35 , 538 , 156 , 2136 , 7586 , 64127 , 31391 , 782747 , 74605 , 8795567 , 2586181 , 37179264 , 11136853 , 52062675 , 553975941 , 8235134733 , 4565679371
n×2
25971794
n×3
38957691
n×4
51943588
n×5
64929485
n÷2
6492948.5
n÷3
4328632.3333333
n÷3
3246474.25
n÷5
2597179.4
n2
168633520894609
n3
2.1898575330847E+21
n4
2.8437264369313E+28
n5
3.6928338606166E+35
2 √n
3603.5950105416
3 √n
235.0484101264
4 √n
60.029950945687
5 √n
26.466370678226
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
-12985896
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 12985897 can be divided by 4 positive divisors.
The sum of these divisors (counting 12985897) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100010011000101001
3
Ternary
220102202022011
4
Quaternary
301202120221
5
Quinary
11311022042
6
Senary
1142155521
8
Octal
61423051
10
Decimal
12985897
12
Duodecimal
4422ba1
16
Hexadecimal
c62629
20
Vigesimal
4134eh
36
Base36
7qbzd
md5
b1c36122bd22d0927b1c00c10a500753
sha1
749a54f07ea7a30f0d98dff3a3d1ec7f2aa55c2a
sha256
139286c73a2e4dd1dde9db5eb6923f82f0b13837e6733c93a20c56c369ce31e2
sha512
6f5be54aa0d6a792cbab85ded2f13c58c894ee427523b11a093d842f728d34c4af3736c367a9d8e156d461bffe773142c449dbfbfad46d296cacb69d98061c17
ripemd-160
e1f51234be8fc13df38b66f729476b61aaf0b30a
Diameter
25971794
Circumference
81592797.230947
Area
5.2977783039148E+14
Volume
9.172853784463E+21
Surface area
2.1191113215659E+15
Circumference
81592797.230947
Perimeter
51943588
Area
168633520894609
Diagonal
18364831.65698
Surface area
1011801125367654
Volume
2.1898575330847E+21
Space diagonal
22492233.385856
Perimeter
38957691
Area
73020456512173
Altitude
11246116.692928
Surface area
73020456512173
Volume
2.5807718524611E+20
Height
6121610.5523267