128213910 is an even 9-digits composite number following 128213909
and preceding 128213911 . In scientific notation, it is written as 1.28213910 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 31081920 positive integers (up to 128213910) that are relatively prime to 128213910.
128213910 has 32 divisors, whose sum is 298391040
The reverse of 128213910 is 019312821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million two hundred thirteen thousand nine hundred ten
Scientific notation
1.28213910 × 10^8
Engineering notation
1.28213910 × 10^6
Prime Factorization
2 × 15 × 3 × 11 × 129509
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128213910
Product of the distinct prime numbers
The prime factorization of 128213910 is 2 × 15 × 3 × 11 × 129509.
Since it has a total of 5 prime factors.
1 , 3 , 57 , 60 , 649 , 788 , 6889 , 5620 , 5501 , 86991 , 299105 , 898979 , 6588419 , 20298 , 19754366 , 31531765 , 623321430 , 604775182 , 283146033 , 6236971295
n×2
256427820
n×3
384641730
n×4
512855640
n×5
641069550
n÷2
64106955
n÷3
42737970
n÷3
32053477.5
n÷5
25642782
n2
16438806717488100
n3
2.1076836849834E+24
n4
2.7023436629493E+32
n5
3.4647804719045E+40
2 √n
11323.158128367
3 √n
504.24900299823
4 √n
106.41032904924
5 √n
41.839552315413
1 , 2 , 3 , 6 , 11 , 15 , 22 , 30 , 33 , 45 , 66 , 90 , 165 , 330 , 495 , 990 , 129509 , 259018 , 388527 , 777054 , 1424599 , 1942635 , 2849198 , 3885270 , 4273797 , 5827905 , 8547594 , 11655810 , 21368985 , 42737970 , 64106955 , 128213910
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128213909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128213910 can be divided by 32 positive divisors.
The sum of these divisors (counting 128213910) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001000110001110010110
3
Ternary
22221020221102100
4
Quaternary
13221012032112
5
Quinary
230310321120
6
Senary
20420022530
8
Octal
751061626
10
Decimal
128213910
12
Duodecimal
36b31a46
16
Hexadecimal
7a46396
20
Vigesimal
2016efa
36
Base36
24c2hi
md5
59ac8c2270843123520809136e8e03fd
sha1
fc56c8f2b9c34de885016bba154276d3fdd2960d
sha256
febc741cb265a2a7803a5020deada66de2d5c9daa322dbc6f75817efda04d12d
sha512
5de01ff9d025698ef25988098f499fcea980544e19c222813ade26b8640ac23644ef022063962702a8f9464f6a1f10b8d0666034907956b4f5c9dc54e7bea563
ripemd-160
e61bc1b96f14d83d2a126bf5dbbc9a5eee6f7d4b
Diameter
256427820
Circumference
805591755.48805
Area
5.1644034417443E+16
Volume
8.8286447744466E+24
Surface area
2.0657613766977E+17
Circumference
805591755.48805
Perimeter
512855640
Area
16438806717488100
Diagonal
181321850.40688
Surface area
98632840304928600
Volume
2.1076836849834E+24
Space diagonal
222073006.35706
Perimeter
384641730
Area
7.1182121126235E+15
Altitude
111036503.17853
Surface area
7.1182121126235E+15
Volume
2.4839290437467E+23
Height
60440616.802294