128920146 is an even 9-digits composite number following 128920145
and preceding 128920147 . In scientific notation, it is written as 1.28920146 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 40216320 positive integers (up to 128920146) that are relatively prime to 128920146.
128920146 has 32 divisors, whose sum is 274555008
The reverse of 128920146 is 641029821
Previous prime number is 181
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-eight million nine hundred twenty thousand one hundred forty-six
Scientific notation
1.28920146 × 10^8
Engineering notation
1.28920146 × 10^6
Prime Factorization
2 × 3 × 17 × 181 × 6983
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128920146
Product of the distinct prime numbers
The prime factorization of 128920146 is 2 × 3 × 17 × 181 × 6983.
Since it has a total of 5 prime factors.
7 , 5 , 48 , 67 , 232 , 397 , 9445 , 3910 , 40606 , 87867 , 355305 , 87914 , 7133297 , 5754347 , 51765899 , 74373969 , 521659473 , 645018342 , 639401749 , 6391357787
n×2
257840292
n×3
386760438
n×4
515680584
n×5
644600730
n÷2
64460073
n÷3
42973382
n÷3
32230036.5
n÷5
25784029.2
n2
16620404044661316
n3
2.1427049160167E+24
n4
2.7623783060779E+32
n5
3.561262145268E+40
2 √n
11354.300771073
3 √n
505.17315370619
4 √n
106.55656137035
5 √n
41.885543749299
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 181 , 362 , 543 , 1086 , 3077 , 6154 , 6983 , 9231 , 13966 , 18462 , 20949 , 41898 , 118711 , 237422 , 356133 , 712266 , 1263923 , 2527846 , 3791769 , 7583538 , 21486691 , 42973382 , 64460073 , 128920146
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
-128920145
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 128920146 can be divided by 32 positive divisors.
The sum of these divisors (counting 128920146) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101011110010101001010010
3
Ternary
22222120211012020
4
Quaternary
13223302221102
5
Quinary
231000421041
6
Senary
20443112310
8
Octal
753625122
10
Decimal
128920146
12
Duodecimal
37212696
16
Hexadecimal
7af2a52
20
Vigesimal
205f076
36
Base36
24r7f6
md5
00fc3e506a726ce62302583dae480419
sha1
1875d7ae81d93e07296776675195e24d104934dc
sha256
197554b602ae78f55d8798dded7ee8c0ccda73f0c21357073572e63047d6b2c7
sha512
1428023c19b3d3accbe0349dad21d7450702da84f63f00afde804a69160753ba1e5a2dfa5d855e3f5a033da44e83e348c2c89d7f9694a8d5f037d87a0b4f9901
ripemd-160
33299be84e751a3d3896bb3a88d554dc0d731f3d
Diameter
257840292
Circumference
810029167.14665
Area
5.2214539246402E+16
Volume
8.9753413639585E+24
Surface area
2.0885815698561E+17
Circumference
810029167.14665
Perimeter
515680584
Area
16620404044661316
Diagonal
182320618.93632
Surface area
99722424267967896
Volume
2.1427049160167E+24
Space diagonal
223296242.9912
Perimeter
386760438
Area
7.1968460619192E+15
Altitude
111648121.4956
Surface area
7.1968460619192E+15
Volume
2.5252019603286E+23
Height
60773539.64544