128124712 is an even 9-digits composite number following 128124711
and preceding 128124713 . In scientific notation, it is written as 1.28124712 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 63557424 positive integers (up to 128124712) that are relatively prime to 128124712.
128124712 has 16 divisors, whose sum is 242127360
The reverse of 128124712 is 217421821
Previous prime number is 127
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-eight million one hundred twenty-four thousand seven hundred twelve
Scientific notation
1.28124712 × 10^8
Engineering notation
1.28124712 × 10^6
Prime Factorization
2 × 2 × 2 × 127 × 126107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32031178
Product of the distinct prime numbers
The prime factorization of 128124712 is 2 × 2 × 2 × 127 × 126107.
Since it has a total of 5 prime factors.
1 , 8 , 7 , 53 , 358 , 570 , 4951 , 5538 , 30752 , 59463 , 940060 , 577370 , 9577357 , 9431366 , 66735536 , 10875862 , 448171202 , 453271163 , 8045830422 , 977267284
n×2
256249424
n×3
384374136
n×4
512498848
n×5
640623560
n÷2
64062356
n÷3
42708237.333333
n÷3
32031178
n÷5
25624942.4
n2
16415941825082944
n3
2.1032878185475E+24
n4
2.6948314600451E+32
n5
3.4527450470681E+40
2 √n
11319.218700953
3 √n
504.13204107381
4 √n
106.39181688905
5 √n
41.833729166648
1 , 2 , 4 , 8 , 127 , 254 , 508 , 1016 , 126107 , 252214 , 504428 , 1008856 , 16015589 , 32031178 , 64062356 , 128124712
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
-128124711
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 128124712 can be divided by 16 positive divisors.
The sum of these divisors (counting 128124712) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101000110000011100101000
3
Ternary
22221002102001201
4
Quaternary
13220300130220
5
Quinary
230244442322
6
Senary
20414053544
8
Octal
750603450
10
Decimal
128124712
12
Duodecimal
36aaa2b4
16
Hexadecimal
7a30728
20
Vigesimal
200fbfc
36
Base36
24a5ns
md5
01219bf77ad7d9ab7d0177c35383ed61
sha1
38dc1a8e57a2848a9e411fcbd949ac60d211a797
sha256
c109e58b2c7160fd97fa25ed3b77e3a6c06de074ff618ed783382d62a7ab5300
sha512
81f615238ec63c00eb1368dea2b4b95ab1d55b961b6bcf102faa0c2f7426b232a55a11543d90aa8a2b66deeaa0123e6b41b0a97f94ab9954f6437488feeb94f1
ripemd-160
afa07b4c17a9c5132cff615952c85a3deb574dc4
Diameter
256249424
Circumference
805031307.92502
Area
5.1572202239438E+16
Volume
8.8102314121783E+24
Surface area
2.0628880895775E+17
Circumference
805031307.92502
Perimeter
512498848
Area
16415941825082944
Diagonal
181195705.38555
Surface area
98495650950497664
Volume
2.1032878185475E+24
Space diagonal
221918510.88913
Perimeter
384374136
Area
7.1083113237847E+15
Altitude
110959255.44456
Surface area
7.1083113237847E+15
Volume
2.47874846547E+23
Height
60398568.461849