12720105 is an odd 8-digits composite number following 12720104
and preceding 12720106 . In scientific notation, it is written as 1.2720105 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 6664896 positive integers (up to 12720105) that are relatively prime to 12720105.
12720105 has 16 divisors, whose sum is 15340800
The reverse of 12720105 is 50102721
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twelve million seven hundred twenty thousand one hundred five
Scientific notation
1.2720105 × 10^7
Engineering notation
1.2720105 × 10^6
Prime Factorization
15 × 9 × 59 × 1597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12720105
Product of the distinct prime numbers
The prime factorization of 12720105 is 15 × 9 × 59 × 1597.
Since it has a total of 4 prime factors.
1 , 6 , 22 , 14 , 391 , 169 , 8091 , 398 , 46038 , 67413 , 140170 , 300007 , 4022300 , 2430385 , 41758437 , 21335653 , 59578468 , 439374529 , 7483027578 , 4914723323
n×2
25440210
n×3
38160315
n×4
50880420
n×5
63600525
n÷2
6360052.5
n÷3
4240035
n÷3
3180026.25
n÷5
2544021
n2
161801071211025
n3
2.0581266149167E+21
n4
2.6179586645035E+28
n5
3.3300709098145E+35
2 √n
3566.5256202641
3 √n
233.43370624953
4 √n
59.720395345845
5 √n
26.357131251741
1 , 9 , 15 , 59 , 135 , 531 , 885 , 1597 , 7965 , 14373 , 23955 , 94223 , 215595 , 848007 , 1413345 , 12720105
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
-12720104
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 12720105 can be divided by 16 positive divisors.
The sum of these divisors (counting 12720105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000100001011111101001
3
Ternary
212221020201000
4
Quaternary
300201133221
5
Quinary
11224020410
6
Senary
1132345213
8
Octal
60413751
10
Decimal
12720105
12
Duodecimal
4315209
16
Hexadecimal
c217e9
20
Vigesimal
3ja055
36
Base36
7kmw9
md5
997f018c1e9d15788ed155389a1e93b6
sha1
9b45261aba322951fc3dcdec8dd90b125c26385d
sha256
70e0a3a95542708514c4b9265963a7c39b8912087d989d0fad8bbc2d3cd48f8a
sha512
8c16b82bd0036db3383f2f4bb9cbf68c5f5e693bd28fa90365b87fe5bb2388e46d8d2d6e9e5293aca6503d187bed854d3a43d760f192cd1af2ea2834001f0859
ripemd-160
fe5a6faa75166c4163e36b109527a10b1411251b
Diameter
25440210
Circumference
79922776.841782
Area
5.0831305665952E+14
Volume
8.6210606047733E+21
Surface area
2.0332522266381E+15
Circumference
79922776.841782
Perimeter
50880420
Area
161801071211025
Diagonal
17988945.00581
Surface area
970806427266150
Volume
2.0581266149167E+21
Space diagonal
22031868.137611
Perimeter
38160315
Area
70061919014141
Altitude
11015934.068805
Surface area
70061919014141
Volume
2.4255254765802E+20
Height
5996315.0019366