128248946 is an even 9-digits composite number following 128248945
and preceding 128248947 . In scientific notation, it is written as 1.28248946 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 54924144 positive integers (up to 128248946) that are relatively prime to 128248946.
128248946 has 16 divisors, whose sum is 220014144
The reverse of 128248946 is 649842821
Previous prime number is 1973
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million two hundred forty-eight thousand nine hundred forty-six
Scientific notation
1.28248946 × 10^8
Engineering notation
1.28248946 × 10^6
Prime Factorization
2 × 7 × 1973 × 4643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128248946
Product of the distinct prime numbers
The prime factorization of 128248946 is 2 × 7 × 1973 × 4643.
Since it has a total of 4 prime factors.
3 , 10 , 59 , 8 , 714 , 669 , 7564 , 1215 , 22656 , 19141 , 410799 , 784471 , 6429548 , 6642610 , 66052144 , 68522569 , 450782510 , 147078914 , 2001326559 , 7656125608
n×2
256497892
n×3
384746838
n×4
512995784
n×5
641244730
n÷2
64124473
n÷3
42749648.666667
n÷3
32062236.5
n÷5
25649789.2
n2
16447792150110916
n3
2.1094120072788E+24
n4
2.7052986661325E+32
n5
3.469517025467E+40
2 √n
11324.705117574
3 √n
504.29492952597
4 √n
106.41759778145
5 √n
41.84183869815
1 , 2 , 7 , 14 , 1973 , 3946 , 4643 , 9286 , 13811 , 27622 , 32501 , 65002 , 9160639 , 18321278 , 64124473 , 128248946
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
-128248945
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 128248946 can be divided by 16 positive divisors.
The sum of these divisors (counting 128248946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001001110110001110010
3
Ternary
22221022201110222
4
Quaternary
13221032301302
5
Quinary
230312431241
6
Senary
20420453042
8
Octal
751166162
10
Decimal
128248946
12
Duodecimal
36b4a182
16
Hexadecimal
7a4ec72
20
Vigesimal
201b276
36
Base36
24ctiq
md5
2c06d85c5949abdc385b837787f71e87
sha1
4e36803dfb477a081f5356fa58dc77e3bb7aa33e
sha256
0418b96d2be13ffc9a1060dc68593e0b83fb86695b91f0445a52e8d7dee4eebd
sha512
b4b85cc13eb256b0c1f5575705b6512f4ba677a99448d0c09de1a7f791ff5046b07e368fcf6ac17963a86fdb5c3e28c8adfcfdaea25db17c05f009612e2fab8e
ripemd-160
28968f54e999bc5bb235113b22036e94fb2dc6ff
Diameter
256497892
Circumference
805811893.16847
Area
5.167226298656E+16
Volume
8.8358843539482E+24
Surface area
2.0668905194624E+17
Circumference
805811893.16847
Perimeter
512995784
Area
16447792150110916
Diagonal
181371398.79325
Surface area
98686752900665496
Volume
2.1094120072788E+24
Space diagonal
222133690.48916
Perimeter
384746838
Area
7.1221029190812E+15
Altitude
111066845.24458
Surface area
7.1221029190812E+15
Volume
2.4859658911053E+23
Height
60457132.931085