12706905 is an odd 8-digits composite number following 12706904
and preceding 12706906 . In scientific notation, it is written as 1.2706905 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6378240 positive integers (up to 12706905) that are relatively prime to 12706905.
12706905 has 16 divisors, whose sum is 21527424
The reverse of 12706905 is 50960721
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million seven hundred six thousand nine hundred five
Scientific notation
1.2706905 × 10^7
Engineering notation
1.2706905 × 10^6
Prime Factorization
5 × 3 × 17 × 49831
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12706905
Product of the distinct prime numbers
The prime factorization of 12706905 is 5 × 3 × 17 × 49831.
Since it has a total of 4 prime factors.
6 , 8 , 64 , 47 , 817 , 126 , 473 , 2417 , 38001 , 24615 , 481357 , 848423 , 1887520 , 6905641 , 52238916 , 78902995 , 915377539 , 309427329 , 5201652469 , 3808522728
n×2
25413810
n×3
38120715
n×4
50827620
n×5
63534525
n÷2
6353452.5
n÷3
4235635
n÷3
3176726.25
n÷5
2541381
n2
161465434679025
n3
2.0517259392501E+21
n4
2.6071086596086E+28
n5
3.3128282062324E+35
2 √n
3564.674599455
3 √n
233.35293146044
4 √n
59.704895942084
5 √n
26.351658676814
1 , 3 , 5 , 15 , 17 , 51 , 85 , 255 , 49831 , 149493 , 249155 , 747465 , 847127 , 2541381 , 4235635 , 12706905
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
-12706904
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 12706905 can be divided by 16 positive divisors.
The sum of these divisors (counting 12706905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011110010001011001
3
Ternary
212220120121010
4
Quaternary
300132101121
5
Quinary
11223110110
6
Senary
1132204133
8
Octal
60362131
10
Decimal
12706905
12
Duodecimal
4309649
16
Hexadecimal
c1e459
20
Vigesimal
3j8755
36
Base36
7kcpl
md5
5b5344919a96267db51fba81befb219b
sha1
d39e9ef1b03b90d075425731338412dde02c5380
sha256
6330ae4279aab000912f5cd8cd1abea978e55ef2d1fae5b7d42667e160d3f625
sha512
21be25529f8537027c257e6c4fcac508e84a0a515b291cc2807f560c4a77a3f49856029a71d5bf580771aa57fec0862e50059a9ce8cbf368c381eff8337a7a45
ripemd-160
973ea840010389b4746873e2c258d8a0a5682b6a
Diameter
25413810
Circumference
79839838.795727
Area
5.0725862339631E+14
Volume
8.5942495172369E+21
Surface area
2.0290344935852E+15
Circumference
79839838.795727
Perimeter
50827620
Area
161465434679025
Diagonal
17970277.386786
Surface area
968792608074150
Volume
2.0517259392501E+21
Space diagonal
22009005.066951
Perimeter
38120715
Area
69916584132566
Altitude
11004502.533476
Surface area
69916584132566
Volume
2.4179822079668E+20
Height
5990092.4622622