128530830 is an even 9-digits composite number following 128530829
and preceding 128530831 . In scientific notation, it is written as 1.28530830 × 10^8.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 33386496 positive integers (up to 128530830) that are relatively prime to 128530830.
128530830 has 32 divisors, whose sum is 211040640
The reverse of 128530830 is 038035821
Previous prime number is 229
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million five hundred thirty thousand eight hundred thirty
Scientific notation
1.28530830 × 10^8
Engineering notation
1.28530830 × 10^6
Prime Factorization
2 × 15 × 53 × 229 × 353
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128530830
Product of the distinct prime numbers
The prime factorization of 128530830 is 2 × 15 × 53 × 229 × 353.
Since it has a total of 5 prime factors.
7 , 6 , 72 , 96 , 367 , 210 , 3561 , 3556 , 2278 , 23546 , 854580 , 43193 , 8755555 , 992950 , 38462689 , 95150370 , 633830582 , 891191303 , 3041870109 , 3993749181
n×2
257061660
n×3
385592490
n×4
514123320
n×5
642654150
n÷2
64265415
n÷3
42843610
n÷3
32132707.5
n÷5
25706166
n2
16520174260488900
n3
2.1233517094453E+24
n4
2.7291615759692E+32
n5
3.5078140256343E+40
2 √n
11337.143820204
3 √n
504.66412983381
4 √n
106.47602462622
5 √n
41.860215752124
1 , 2 , 15 , 30 , 53 , 106 , 229 , 353 , 458 , 706 , 795 , 1590 , 3435 , 5295 , 6870 , 10590 , 12137 , 18709 , 24274 , 37418 , 80837 , 161674 , 182055 , 280635 , 364110 , 561270 , 1212555 , 2425110 , 4284361 , 8568722 , 64265415 , 128530830
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
-128530829
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 128530830 can be divided by 32 positive divisors.
The sum of these divisors (counting 128530830) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010010011100110001110
3
Ternary
22221212001011010
4
Quaternary
13222103212032
5
Quinary
230400441310
6
Senary
20430510050
8
Octal
752234616
10
Decimal
128530830
12
Duodecimal
37065326
16
Hexadecimal
7a9398e
20
Vigesimal
203671a
36
Base36
24iv0u
md5
19d081e9bbc3f182419b2eb8004bc161
sha1
0fed7566b5f58246156e68c1416809b0d9e80350
sha256
322a12b702f1f171f3f6f0a6e0dc5ab0bd2b59d489831cbbe591ff339c5dba05
sha512
e921d0b1ac529a01be402207aa5eecdbe85539de42b11e196ea8d8b9a2c8e2a86a96d0fa5e093c8d5535ceb2915ad1f1039a8eea8ac9dab7418a599e20419c73
ripemd-160
ece5d1de093b243294e5694feda8cd72c1317e17
Diameter
257061660
Circumference
807583022.5756
Area
5.1899658092775E+16
Volume
8.8942748418408E+24
Surface area
2.075986323711E+17
Circumference
807583022.5756
Perimeter
514123320
Area
16520174260488900
Diagonal
181770042.96907
Surface area
99121045562933400
Volume
2.1233517094453E+24
Space diagonal
222621927.899
Perimeter
385592490
Area
7.1534452922646E+15
Altitude
111310963.9495
Surface area
7.1534452922646E+15
Volume
2.5023939876547E+23
Height
60590014.323024