128957507 is an odd 9-digits composite number following 128957506
and preceding 128957508 . In scientific notation, it is written as 1.28957507 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 108722400 positive integers (up to 128957507) that are relatively prime to 128957507.
128957507 has 16 divisors, whose sum is 149817600
The reverse of 128957507 is 705759821
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million nine hundred fifty-seven thousand five hundred seven
Scientific notation
1.28957507 × 10^8
Engineering notation
1.28957507 × 10^6
Prime Factorization
7 × 101 × 179 × 1019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128957507
Product of the distinct prime numbers
The prime factorization of 128957507 is 7 × 101 × 179 × 1019.
Since it has a total of 4 prime factors.
3 , 4 , 3 , 9 , 734 , 439 , 9651 , 1390 , 34223 , 73287 , 197679 , 401572 , 5342524 , 8917401 , 37137003 , 75950778 , 375092307 , 92020610 , 8530653142 , 7316137564
n×2
257915014
n×3
386872521
n×4
515830028
n×5
644787535
n÷2
64478753.5
n÷3
42985835.666667
n÷3
32239376.75
n÷5
25791501.4
n2
16630038611655049
n3
2.1445683206728E+24
n4
2.7655818422514E+32
n5
3.566425397812E+40
2 √n
11355.945887508
3 √n
505.2219486434
4 √n
106.56428054234
5 √n
41.887971150258
1 , 7 , 101 , 179 , 707 , 1019 , 1253 , 7133 , 18079 , 102919 , 126553 , 182401 , 720433 , 1276807 , 18422501 , 128957507
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
-128957506
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 128957507 can be divided by 16 positive divisors.
The sum of these divisors (counting 128957507) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011111011110001000011
3
Ternary
22222122201102222
4
Quaternary
13223323301003
5
Quinary
231003120012
6
Senary
20444001255
8
Octal
753736103
10
Decimal
128957507
12
Duodecimal
3723022b
16
Hexadecimal
7afbc43
20
Vigesimal
205jdf7
36
Base36
24s08z
md5
2b3dbce0b9d6b6fb6233816f6066d049
sha1
a4083371d7b4b2628257e84d85ffbf535e046297
sha256
75b6328e7263e66c92ad61a45f274581e1b75e99022388db2f269b56db806b45
sha512
bc3325522b4014ec82c11b78462b89a1455e2523bcb0db4233bc81b7bd6acecab4f69ff45b82a6d7814bd7851560d4f028519c54b2fd9891219e2564f7e2ce5f
ripemd-160
bc317569cc3c86d8b790fc6a5b86bd0180ac39c4
Diameter
257915014
Circumference
810263913.23291
Area
5.224480713129E+16
Volume
8.9831467751293E+24
Surface area
2.0897922852516E+17
Circumference
810263913.23291
Perimeter
515830028
Area
16630038611655049
Diagonal
182373455.36922
Surface area
99780231669930294
Volume
2.1445683206728E+24
Space diagonal
223360954.14142
Perimeter
386872521
Area
7.2010179518047E+15
Altitude
111680477.07071
Surface area
7.2010179518047E+15
Volume
2.5273980037759E+23
Height
60791151.789741