128820612 is an even 9-digits composite number following 128820611
and preceding 128820613 . In scientific notation, it is written as 1.28820612 × 10^8.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 42903328 positive integers (up to 128820612) that are relatively prime to 128820612.
128820612 has 24 divisors, whose sum is 300839616
The reverse of 128820612 is 216028821
Previous prime number is 1367
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million eight hundred twenty thousand six hundred twelve
Scientific notation
1.28820612 × 10^8
Engineering notation
1.28820612 × 10^6
Prime Factorization
2 × 2 × 3 × 1367 × 7853
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64410306
Product of the distinct prime numbers
The prime factorization of 128820612 is 2 × 2 × 3 × 1367 × 7853.
Since it has a total of 5 prime factors.
2 , 6 , 27 , 94 , 281 , 156 , 2585 , 996 , 35069 , 75988 , 258257 , 982550 , 8221305 , 6622551 , 54880703 , 19326212 , 811239337 , 805375538 , 7363435087 , 7513360137
n×2
257641224
n×3
386461836
n×4
515282448
n×5
644103060
n÷2
64410306
n÷3
42940204
n÷3
32205153
n÷5
25764122.4
n2
16594750076054544
n3
2.1377458607844E+24
n4
2.7538573008671E+32
n5
3.5475358285837E+40
2 √n
11349.916827889
3 √n
505.04311235373
4 √n
106.53598841654
5 √n
41.879074126149
1 , 2 , 3 , 4 , 6 , 12 , 1367 , 2734 , 4101 , 5468 , 7853 , 8202 , 15706 , 16404 , 23559 , 31412 , 47118 , 94236 , 10735051 , 21470102 , 32205153 , 42940204 , 64410306 , 128820612
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128820611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128820612 can be divided by 24 positive divisors.
The sum of these divisors (counting 128820612) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101011011010010110000100
3
Ternary
22222101202122210
4
Quaternary
13223122112010
5
Quinary
230434224422
6
Senary
20441023420
8
Octal
753322604
10
Decimal
128820612
12
Duodecimal
37184b70
16
Hexadecimal
7ada584
20
Vigesimal
2052bac
36
Base36
24p2mc
md5
1b0a9c0de717ac9822b009796d57542a
sha1
5e27038f37f594b22c67714bdb0657fbe67dc2c1
sha256
da99c29eda5a2cbcf5c1fcb6121b6743da531ed75e0fa9641c4b7c058d2a3904
sha512
badd74a99846fffd942075355284253a3cd097e2d337d907db9af42985b856756971e335ec2b35329514fe079b1ce2e09ad5e3ef8ba7eed81470ed7806439ac7
ripemd-160
14b657aa5b11814629d985c357fadfd62dea4b27
Diameter
257641224
Circumference
809403776.58028
Area
5.2133944927092E+16
Volume
8.9545689219763E+24
Surface area
2.0853577970837E+17
Circumference
809403776.58028
Perimeter
515282448
Area
16594750076054544
Diagonal
182179856.6036
Surface area
99568500456327264
Volume
2.1377458607844E+24
Space diagonal
223123845.04612
Perimeter
386461836
Area
7.1857375676585E+15
Altitude
111561922.52306
Surface area
7.1857375676585E+15
Volume
2.5193576576902E+23
Height
60726618.867867