12786645 is an odd 8-digits composite number following 12786644
and preceding 12786646 . In scientific notation, it is written as 1.2786645 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6634944 positive integers (up to 12786645) that are relatively prime to 12786645.
12786645 has 16 divisors, whose sum is 21012480
The reverse of 12786645 is 54668721
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million seven hundred eighty-six thousand six hundred forty-five
Scientific notation
1.2786645 × 10^7
Engineering notation
1.2786645 × 10^6
Prime Factorization
5 × 3 × 37 × 23039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12786645
Product of the distinct prime numbers
The prime factorization of 12786645 is 5 × 3 × 37 × 23039.
Since it has a total of 4 prime factors.
9 , 4 , 44 , 12 , 767 , 956 , 4360 , 8088 , 24476 , 41533 , 741047 , 417495 , 9296529 , 8710135 , 97089585 , 18139322 , 941977052 , 310696651 , 587568680 , 7801018828
n×2
25573290
n×3
38359935
n×4
51146580
n×5
63933225
n÷2
6393322.5
n÷3
4262215
n÷3
3196661.25
n÷5
2557329
n2
163498290356025
n3
2.0905945968894E+21
n4
2.6731690949343E+28
n5
3.4180864241896E+35
2 √n
3575.8418589194
3 √n
233.84003604469
4 √n
59.798343279052
5 √n
26.384649031958
1 , 3 , 5 , 15 , 37 , 111 , 185 , 555 , 23039 , 69117 , 115195 , 345585 , 852443 , 2557329 , 4262215 , 12786645
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
-12786644
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 12786645 can be divided by 16 positive divisors.
The sum of these divisors (counting 12786645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000110001101111010101
3
Ternary
220001121222110
4
Quaternary
300301233111
5
Quinary
11233133040
6
Senary
1134021233
8
Octal
60615725
10
Decimal
12786645
12
Duodecimal
4347819
16
Hexadecimal
c31bd5
20
Vigesimal
3ji6c5
36
Base36
7m28l
md5
b25e62473bd8658a69e02a4a31191eb4
sha1
177c91c0b343e2c580e7e49299fe9fc061628bb7
sha256
92a9d7440b7bbf2202c4db4e56a6e5727260627a1d547ffcf9b15f845933f38a
sha512
25103f922c064e986ebc3a670d189c2f38eec505613739e73f2b3660f9a2d3d46f91ce2f9a18113a3bfc6bb48c5567da259c9376ef782fd50070691d1f744642
ripemd-160
fff68350770dfb75b00883c67ffdd155fa9adc15
Diameter
25573290
Circumference
80340859.992121
Area
5.1364502785698E+14
Volume
8.7570621696297E+21
Surface area
2.0545801114279E+15
Circumference
80340859.992121
Perimeter
51146580
Area
163498290356025
Diagonal
18083046.77625
Surface area
980989742136150
Volume
2.0905945968894E+21
Space diagonal
22147118.798347
Perimeter
38359935
Area
70796836461821
Altitude
11073559.399173
Surface area
70796836461821
Volume
2.4637893602874E+20
Height
6027682.25875