128840398 is an even 9-digits composite number following 128840397
and preceding 128840399 . In scientific notation, it is written as 1.28840398 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 63504000 positive integers (up to 128840398) that are relatively prime to 128840398.
128840398 has 16 divisors, whose sum is 196027920
The reverse of 128840398 is 893048821
Previous prime number is 109
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million eight hundred forty thousand three hundred ninety-eight
Scientific notation
1.28840398 × 10^8
Engineering notation
1.28840398 × 10^6
Prime Factorization
2 × 211 × 109 × 2801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128840398
Product of the distinct prime numbers
The prime factorization of 128840398 is 2 × 211 × 109 × 2801.
Since it has a total of 4 prime factors.
5 , 2 , 91 , 29 , 203 , 997 , 7999 , 3127 , 9796 , 33096 , 489326 , 167873 , 1168979 , 3355412 , 60215725 , 45565217 , 594037961 , 793689844 , 8015641300 , 2670746259
n×2
257680796
n×3
386521194
n×4
515361592
n×5
644201990
n÷2
64420199
n÷3
42946799.333333
n÷3
32210099.5
n÷5
25768079.6
n2
16599848156798404
n3
2.1387310432615E+24
n4
2.7555495882876E+32
n5
3.5502610566371E+40
2 √n
11350.788430766
3 √n
505.06896813178
4 √n
106.54007898798
5 √n
41.88036051727
1 , 2 , 109 , 211 , 218 , 422 , 2801 , 5602 , 22999 , 45998 , 305309 , 591011 , 610618 , 1182022 , 64420199 , 128840398
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
-128840397
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 128840398 can be divided by 16 positive divisors.
The sum of these divisors (counting 128840398) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011111001011001110
3
Ternary
22222102202210121
4
Quaternary
13223133023032
5
Quinary
230440343043
6
Senary
20441255154
8
Octal
753371316
10
Decimal
128840398
12
Duodecimal
371944ba
16
Hexadecimal
7adf2ce
20
Vigesimal
20550ji
36
Base36
24phvy
md5
6e624d9a5aad40a4f6e5cd520718086b
sha1
c2881f6bf5e902513a62aff5805b4d1fe3d05bf8
sha256
7ad96f572d901e77819000a72904604ab19414c4617a6449ceb21c9580366e74
sha512
c5361fb326c29556e2b64fb2b0d4251a620bff65b74bd77e3a02d4d5519a97807f2d7e4b2c600a4eb07cb645ca6ecd54a63e6a8e94081c55ab422445acc22f5a
ripemd-160
bf985e30def1908f8fbb24903085090757e7f1cb
Diameter
257680796
Circumference
809528095.68477
Area
5.2149961020104E+16
Volume
8.9586956446862E+24
Surface area
2.0859984408042E+17
Circumference
809528095.68477
Perimeter
515361592
Area
16599848156798404
Diagonal
182207838.23315
Surface area
99599088940790424
Volume
2.1387310432615E+24
Space diagonal
223158115.4034
Perimeter
386521194
Area
7.1879451013759E+15
Altitude
111579057.7017
Surface area
7.1879451013759E+15
Volume
2.5205187063739E+23
Height
60735946.077716