12985845 is an odd 8-digits composite number following 12985844
and preceding 12985846 . In scientific notation, it is written as 1.2985845 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6886080 positive integers (up to 12985845) that are relatively prime to 12985845.
12985845 has 16 divisors, whose sum is 20896512
The reverse of 12985845 is 54858921
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million nine hundred eighty-five thousand eight hundred forty-five
Scientific notation
1.2985845 × 10^7
Engineering notation
1.2985845 × 10^6
Prime Factorization
3 × 5 × 181 × 4783
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12985845
Product of the distinct prime numbers
The prime factorization of 12985845 is 3 × 5 × 181 × 4783.
Since it has a total of 4 prime factors.
7 , 10 , 8 , 6 , 63 , 733 , 820 , 5105 , 19066 , 27634 , 170723 , 465318 , 7900414 , 4623390 , 94400349 , 91582277 , 189069332 , 96175943 , 877131726 , 655083066
n×2
25971690
n×3
38957535
n×4
51943380
n×5
64929225
n÷2
6492922.5
n÷3
4328615
n÷3
3246461.25
n÷5
2597169
n2
168632170364025
n3
2.1898312263608E+21
n4
2.8436808881682E+28
n5
3.6927599243214E+35
2 √n
3603.5877955171
3 √n
235.04809638774
4 √n
60.029890850452
5 √n
26.466349482101
1 , 3 , 5 , 15 , 181 , 543 , 905 , 2715 , 4783 , 14349 , 23915 , 71745 , 865723 , 2597169 , 4328615 , 12985845
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12985844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12985845 can be divided by 16 positive divisors.
The sum of these divisors (counting 12985845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100010010111110101
3
Ternary
220102202020020
4
Quaternary
301202113311
5
Quinary
11311021340
6
Senary
1142155353
8
Octal
61422765
10
Decimal
12985845
12
Duodecimal
4422b59
16
Hexadecimal
c625f5
20
Vigesimal
4134c5
36
Base36
7qbxx
md5
026d3ff516401dc7e6d6f0b263365915
sha1
e5a628f93bc8310da92c4e7ccab742b05d35c6b4
sha256
bafbb09ae8821cba57a62fca72d5a7857cf4174aeb49dcd7d5fdbad63adb7ceb
sha512
9ce528d215ed2a2419c23897467c21514539289a8150effa09d39b35a0fde3bf89fa8abc77337c705c2cbf8e1ac5986f0f1b8fc409bc79f205e9a47bd620b9e4
ripemd-160
435292ece2497f99dc71f9f5eafb78c9148418bf
Diameter
25971690
Circumference
81592470.505311
Area
5.2977358757452E+14
Volume
9.1727435911156E+21
Surface area
2.1190943502981E+15
Circumference
81592470.505311
Perimeter
51943380
Area
168632170364025
Diagonal
18364758.117875
Surface area
1011793022184150
Volume
2.1898312263608E+21
Space diagonal
22492143.319214
Perimeter
38957535
Area
73019871715276
Altitude
11246071.659607
Surface area
73019871715276
Volume
2.5807408496897E+20
Height
6121586.0392916