128855797 is an odd 9-digits composite number following 128855796
and preceding 128855798 . In scientific notation, it is written as 1.28855797 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 110337552 positive integers (up to 128855797) that are relatively prime to 128855797.
128855797 has 8 divisors, whose sum is 147410816
The reverse of 128855797 is 797558821
Previous prime number is 1063
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-eight million eight hundred fifty-five thousand seven hundred ninety-seven
Scientific notation
1.28855797 × 10^8
Engineering notation
1.28855797 × 10^6
Prime Factorization
7 × 1063 × 17317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128855797
Product of the distinct prime numbers
The prime factorization of 128855797 is 7 × 1063 × 17317.
Since it has a total of 3 prime factors.
3 , 8 , 56 , 96 , 933 , 903 , 9148 , 2382 , 81935 , 4782 , 758158 , 378856 , 3741885 , 7523885 , 28853256 , 95004130 , 31709400 , 754822591 , 7581985630 , 2517036345
n×2
257711594
n×3
386567391
n×4
515423188
n×5
644278985
n÷2
64427898.5
n÷3
42951932.333333
n÷3
32213949.25
n÷5
25771159.4
n2
16603816420505209
n3
2.1394979981059E+24
n4
2.7568671972584E+32
n5
3.5523831992589E+40
2 √n
11351.466733423
3 √n
505.08908927215
4 √n
106.54326226197
5 √n
41.881361577266
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128855796
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128855797 can be divided by 8 positive divisors.
The sum of these divisors (counting 128855797) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011100010111011110101
3
Ternary
22222110112220221
4
Quaternary
13223202323311
5
Quinary
230441341142
6
Senary
20441454341
8
Octal
753427365
10
Decimal
128855797
12
Duodecimal
371a13b1
16
Hexadecimal
7ae2ef5
20
Vigesimal
2056j9h
36
Base36
24ptrp
md5
8671d6b392410565a9f12c61342712c1
sha1
b942ffd1377e70715b7ed5c207f2aebfb8751969
sha256
f5b0a7c2403e932347427e4bcfe30cfced8c9c08ca7c6605ddb6bc5e11abf0fd
sha512
b1c6a4ccd6c955f76d879dd64513a833ea77063212e6befb5ed0198fbea1ea9d518fa4375ac1b99fe70b1b854e6f8ee7bfb514e033cb48fd5e0d55ed8b743104
ripemd-160
84e33376d11df12afa30fbb3c304f683f789db04
Diameter
257711594
Circumference
809624850.45532
Area
5.2162427688213E+16
Volume
8.961908257626E+24
Surface area
2.0864971075285E+17
Circumference
809624850.45532
Perimeter
515423188
Area
16603816420505209
Diagonal
182229615.70779
Surface area
99622898523031254
Volume
2.1394979981059E+24
Space diagonal
223184787.25378
Perimeter
386567391
Area
7.1896634099654E+15
Altitude
111592393.62689
Surface area
7.1896634099654E+15
Volume
2.5214225713262E+23
Height
60743205.235931