12839915 is an odd 8-digits composite number following 12839914
and preceding 12839916 . In scientific notation, it is written as 1.2839915 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 8838720 positive integers (up to 12839915) that are relatively prime to 12839915.
12839915 has 16 divisors, whose sum is 16904160
The reverse of 12839915 is 51993821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million eight hundred thirty-nine thousand nine hundred fifteen
Scientific notation
1.2839915 × 10^7
Engineering notation
1.2839915 × 10^6
Prime Factorization
5 × 209 × 11 × 1117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12839915
Product of the distinct prime numbers
The prime factorization of 12839915 is 5 × 209 × 11 × 1117.
Since it has a total of 4 prime factors.
2 , 10 , 56 , 77 , 671 , 180 , 4997 , 9789 , 88026 , 58515 , 387801 , 363708 , 4866375 , 6655056 , 85826306 , 19889437 , 685510970 , 665675754 , 3302070618 , 4522345672
n×2
25679830
n×3
38519745
n×4
51359660
n×5
64199575
n÷2
6419957.5
n÷3
4279971.6666667
n÷3
3209978.75
n÷5
2567983
n2
164863417207225
n3
2.1168322635503E+21
n4
2.7179946333244E+28
n5
3.4898820062341E+35
2 √n
3583.2827128207
3 √n
234.16431710063
4 √n
59.860527167915
5 √n
26.406596523461
1 , 5 , 11 , 55 , 209 , 1045 , 1117 , 2299 , 5585 , 11495 , 12287 , 61435 , 233453 , 1167265 , 2567983 , 12839915
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
-12839914
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 12839915 can be divided by 16 positive divisors.
The sum of these divisors (counting 12839915) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111110101111101011
3
Ternary
220011100001102
4
Quaternary
300332233223
5
Quinary
11241334130
6
Senary
1135112015
8
Octal
60765753
10
Decimal
12839915
12
Duodecimal
437260b
16
Hexadecimal
c3ebeb
20
Vigesimal
404jff
36
Base36
7n7cb
md5
15e1118ab3c0b8b533bfde6d61c02225
sha1
079b27e7ccf6fbd57ce195fca4a6b8494ea6679a
sha256
65fa7fd029cd9e511af92d42253bb58c0293a24181385ff037044070769a7257
sha512
63737028a0cadd78a0e5e64b2de60fdb4f7c4e4e946d1f8f5d203ae0d6162cb1df64f501b22a51fdf4ad5f4c3d416dfa7855d1a37865f55807ec71ea22a654f9
ripemd-160
88c8ff73b0ffd603b28be89f849e122f071a8618
Diameter
25679830
Circumference
80675565.273435
Area
5.1793370034393E+14
Volume
8.8669662507353E+21
Surface area
2.0717348013757E+15
Circumference
80675565.273435
Perimeter
51359660
Area
164863417207225
Diagonal
18158381.932718
Surface area
989180503243350
Volume
2.1168322635503E+21
Space diagonal
22239385.144866
Perimeter
38519745
Area
71387953728085
Altitude
11119692.572433
Surface area
71387953728085
Volume
2.4947107469848E+20
Height
6052793.9775726