128307225 is an odd 9-digits composite number following 128307224
and preceding 128307226 . In scientific notation, it is written as 1.28307225 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 65454400 positive integers (up to 128307225) that are relatively prime to 128307225.
128307225 has 16 divisors, whose sum is 185657472
The reverse of 128307225 is 522703821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million three hundred seven thousand two hundred twenty-five
Scientific notation
1.28307225 × 10^8
Engineering notation
1.28307225 × 10^6
Prime Factorization
3 × 25 × 23 × 74381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128307225
Product of the distinct prime numbers
The prime factorization of 128307225 is 3 × 25 × 23 × 74381.
Since it has a total of 4 prime factors.
9 , 4 , 42 , 42 , 907 , 720 , 61 , 2482 , 32112 , 49975 , 666541 , 199280 , 982057 , 4375880 , 51487095 , 49934883 , 329114154 , 113660786 , 8299728852 , 4677148968
n×2
256614450
n×3
384921675
n×4
513228900
n×5
641536125
n÷2
64153612.5
n÷3
42769075
n÷3
32076806.25
n÷5
25661445
n2
16462743987200625
n3
2.1122889968831E+24
n4
2.7102193958811E+32
n5
3.4774072982668E+40
2 √n
11327.277916605
3 √n
504.37130534154
4 √n
106.42968531667
5 √n
41.845640768221
1 , 3 , 23 , 25 , 69 , 75 , 575 , 1725 , 74381 , 223143 , 1710763 , 1859525 , 5132289 , 5578575 , 42769075 , 128307225
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
-128307224
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 128307225 can be divided by 16 positive divisors.
The sum of these divisors (counting 128307225) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001011101000000011001
3
Ternary
22221102200102110
4
Quaternary
13221131000121
5
Quinary
230321312400
6
Senary
20422022533
8
Octal
751350031
10
Decimal
128307225
12
Duodecimal
36b77a49
16
Hexadecimal
7a5d019
20
Vigesimal
201i815
36
Base36
24e2hl
md5
a15664716fb13c2ceb31acfca1362c26
sha1
d994d5ff693fadf6eef44b2b47a853f153de028a
sha256
2796e22c1b3569e5668738876d92369471864d1bf0c39194c7261fb6bc34f41b
sha512
0b5483affe7668b4c157b4a54cf3f1b9920a3e16d4518eda7d88a273ce4d74306c9d7feef117689a12188aff4a9023727ed4ccf73beb88b76b57b570799707bd
ripemd-160
25cff94048b3e22b7a89a1b752e30634b40b5add
Diameter
256614450
Circumference
806178070.92499
Area
5.1719235568119E+16
Volume
8.8479354598222E+24
Surface area
2.0687694227248E+17
Circumference
806178070.92499
Perimeter
513228900
Area
16462743987200625
Diagonal
181453817.74546
Surface area
98776463923203750
Volume
2.1122889968831E+24
Space diagonal
222234632.67817
Perimeter
384921675
Area
7.1285772544576E+15
Altitude
111117316.33909
Surface area
7.1285772544576E+15
Volume
2.4893564558697E+23
Height
60484605.915152