128515128 is an even 9-digits composite number following 128515127
and preceding 128515129 . In scientific notation, it is written as 1.28515128 × 10^8.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 36718560 positive integers (up to 128515128) that are relatively prime to 128515128.
128515128 has 32 divisors, whose sum is 367186560
The reverse of 128515128 is 821515821
Previous prime number is 7
Is Prime? no Number parity even Number length 9 Sum of Digits 33 Digital Root 6
Name
one hundred twenty-eight million five hundred fifteen thousand one hundred twenty-eight
Scientific notation
1.28515128 × 10^8
Engineering notation
1.28515128 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 7 × 764971
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
32128782 Product of the distinct prime numbers
The prime factorization of 128515128 is 2 × 2 × 2 × 3 × 7 × 764971.
Since it has a total of 6 prime factors.
3 , 1 , 89 , 71 , 595 , 544 , 8275 , 9264 , 40199 , 61525 , 445262 , 443754 , 8228793 , 5648159 , 95267486 , 55455209 , 520366842 , 45759452 , 5906826516 , 7626843642
n×2
257030256
n×3
385545384
n×4
514060512
n×5
642575640
n÷2
64257564
n÷3
42838376
n÷3
32128782
n÷5
25703025.6
n2
16516138124856384
n3
2.1225736051816E+24
n4
2.7278281855933E+32
n5
3.5056718843354E+40
2 √n11336.451296592
3 √n504.64357819164
4 √n106.4727725599
5 √n41.859192929461
1 , 2 , 3 , 4 , 6 , 7 , 8 , 12 , 14 , 21 , 24 , 28 , 42 , 56 , 84 , 168 , 764971 , 1529942 , 2294913 , 3059884 , 4589826 , 5354797 , 6119768 , 9179652 , 10709594 , 16064391 , 18359304 , 21419188 , 32128782 , 42838376 , 64257564 , 128515128
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
-128515127 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 128515128 can be divided by 32 positive divisors.
The sum of these divisors (counting 128515128) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010001111110000111000
3
Ternary
22221211020121120
4
Quaternary
13222033300320
5
Quinary
230344441003
6
Senary
20430305240
8
Octal
752176070
10
Decimal
128515128
12
Duodecimal
37058220
16
Hexadecimal
7a8fc38
20
Vigesimal
20347g8
36
Base36
24iiwo
md5
6edfcbd533b9c4f5596e7912af9fd621
sha1
1fba5cead5cae599aa567b06061ea049c8248b20
sha256
413315fcf1db1e3def70c07885173e19c8ce4ddacc65c8401b984227fb0b23e0
sha512
255edc44b4cd96b5f4f89df7984fe03d8384e1e30286fec13686229d4283fb2a144e76a78162339c91c3720bec73409c9befee4351c0e5b5e7e0a88583cb3c94
ripemd-160
51ec574bd49cd1f5b3cc7cd1e1cd2d45955d7d4e
Diameter
257030256
Circumference
807484363.9999
Area
5.1886978198723E+16
Volume
8.8910155263228E+24
Surface area
2.0754791279489E+17
Circumference
807484363.9999
Perimeter
514060512
Area
16516138124856384
Diagonal
181747836.98771
Surface area
99096828749138304
Volume
2.1225736051816E+24
Space diagonal
222594731.23722
Perimeter
385545384
Area
7.1516975942692E+15
Altitude
111297365.61861
Surface area
7.1516975942692E+15
Volume
2.5014769829858E+23
Height
60582612.329238