12987085 is an odd 8-digits composite number following 12987084
and preceding 12987086 . In scientific notation, it is written as 1.2987085 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 10286400 positive integers (up to 12987085) that are relatively prime to 12987085.
12987085 has 8 divisors, whose sum is 15739416
The reverse of 12987085 is 58078921
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred eighty-seven thousand eighty-five
Scientific notation
1.2987085 × 10^7
Engineering notation
1.2987085 × 10^6
Prime Factorization
5 × 101 × 25717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12987085
Product of the distinct prime numbers
The prime factorization of 12987085 is 5 × 101 × 25717.
Since it has a total of 3 prime factors.
1 , 4 , 22 , 39 , 881 , 285 , 3681 , 4789 , 38959 , 11102 , 149775 , 102825 , 276125 , 7906673 , 59785011 , 39284906 , 86937769 , 719599467 , 8650542858 , 970029358
n×2
25974170
n×3
38961255
n×4
51948340
n×5
64935425
n÷2
6493542.5
n÷3
4329028.3333333
n÷3
3246771.25
n÷5
2597417
n2
168664376797225
n3
2.1904585979376E+21
n4
2.8447672000396E+28
n5
3.6945233432127E+35
2 √n
3603.7598421648
3 √n
235.05557761988
4 √n
60.031323841515
5 √n
26.466854909663
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
-12987084
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 12987085 can be divided by 8 positive divisors.
The sum of these divisors (counting 12987085) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100010101011001101
3
Ternary
220102210221011
4
Quaternary
301202223031
5
Quinary
11311041320
6
Senary
1142205221
8
Octal
61425315
10
Decimal
12987085
12
Duodecimal
4423811
16
Hexadecimal
c62acd
20
Vigesimal
4137e5
36
Base36
7qcwd
md5
6fab5c0af56062bf5e12bf737ce13046
sha1
76ece3a80e1bf8f5661570c7ad7b9c3551ea9e46
sha256
fae21d9883c928af4676f2166b21834e9bbaca439b012d14daeed2fad13ce878
sha512
25589dc5d219c2730986c2b793753f6451b4beaa1ee6a92145420098385c48518b12dfd0a2feaa28a030604f78abf2f36ae5d10d5f61a4b1a29bb71779ed174d
ripemd-160
2c040232ead34ed91497fe28e16170179f57bf22
Diameter
25974170
Circumference
81600261.655092
Area
5.2987476706846E+14
Volume
9.1753715190311E+21
Surface area
2.1194990682739E+15
Circumference
81600261.655092
Perimeter
51948340
Area
168664376797225
Diagonal
18366511.742692
Surface area
1011986260783350
Volume
2.1904585979376E+21
Space diagonal
22494291.062216
Perimeter
38961255
Area
73033817509934
Altitude
11247145.531108
Surface area
73033817509934
Volume
2.5814802141834E+20
Height
6122170.5808974