12128839 is an odd 8-digits composite number following 12128838
and preceding 12128840 . In scientific notation, it is written as 1.2128839 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 12104224 positive integers (up to 12128839) that are relatively prime to 12128839.
12128839 has 4 divisors, whose sum is 12153456
The reverse of 12128839 is 93882121
Previous prime number is 503
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million one hundred twenty-eight thousand eight hundred thirty-nine
Scientific notation
1.2128839 × 10^7
Engineering notation
1.2128839 × 10^6
Prime Factorization
503 × 24113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12128839
Product of the distinct prime numbers
The prime factorization of 12128839 is 503 × 24113.
Since it has a total of 2 prime factors.
2 , 5 , 7 , 25 , 21 , 10 , 3591 , 2543 , 19595 , 67582 , 774646 , 531218 , 4779689 , 6367100 , 84797176 , 65140588 , 274649020 , 664864 , 3559427541 , 8903178306
n×2
24257678
n×3
36386517
n×4
48515356
n×5
60644195
n÷2
6064419.5
n÷3
4042946.3333333
n÷3
3032209.75
n÷5
2425767.8
n2
147108735487921
n3
1.7842581682266E+21
n4
2.1640980056855E+28
n5
2.6247996291181E+35
2 √n
3482.6482739433
3 √n
229.75928817796
4 √n
59.013966770107
5 √n
26.107413408738
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12128838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12128839 can be divided by 4 positive divisors.
The sum of these divisors (counting 12128839) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110010001001001000111
3
Ternary
211211012122021
4
Quaternary
232101021013
5
Quinary
11101110324
6
Senary
1111544011
8
Octal
56211107
10
Decimal
12128839
12
Duodecimal
408b007
16
Hexadecimal
b91247
20
Vigesimal
3fg21j
36
Base36
77yo7
md5
cf693a25b261e5963ceeec535755c949
sha1
5f53340fd2bfd9531e75f78b0f3b152485747df3
sha256
da1759ad7c243989aca8f2ef9f7c062b5dba7d0c15ac2517c714db86a305bf00
sha512
275e3699b92816eea0cc5a79f2cbd1e9689b4020a43727d5d1f621688939eeee3b0d049e01ec9780b303737919abe50c442dab0988b1a1b1a4e97e2bdc32cbfb
ripemd-160
0c52732fa9791245b17b66ff53e4ea52012ad8f2
Diameter
24257678
Circumference
76207742.997947
Area
4.6215572268774E+14
Volume
7.4738831378776E+21
Surface area
1.8486228907509E+15
Circumference
76207742.997947
Perimeter
48515356
Area
147108735487921
Diagonal
17152768.60964
Surface area
882652412927526
Volume
1.7842581682266E+21
Space diagonal
21007765.384823
Perimeter
36386517
Area
63699951025572
Altitude
10503882.692411
Surface area
63699951025572
Volume
2.1027684169008E+20
Height
5717589.5365466