128561615 is an odd 9-digits composite number following 128561614
and preceding 128561616 . In scientific notation, it is written as 1.28561615 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 79470720 positive integers (up to 128561615) that are relatively prime to 128561615.
128561615 has 16 divisors, whose sum is 145740672
The reverse of 128561615 is 516165821
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million five hundred sixty-one thousand six hundred fifteen
Scientific notation
1.28561615 × 10^8
Engineering notation
1.28561615 × 10^6
Prime Factorization
35 × 13 × 43 × 6571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128561615
Product of the distinct prime numbers
The prime factorization of 128561615 is 35 × 13 × 43 × 6571.
Since it has a total of 4 prime factors.
7 , 8 , 87 , 84 , 878 , 436 , 1514 , 9938 , 66379 , 33417 , 522786 , 871519 , 9954863 , 9519547 , 80501384 , 11390150 , 556552091 , 60264369 , 2537744811 , 6301692419
n×2
257123230
n×3
385684845
n×4
514246460
n×5
642808075
n÷2
64280807.5
n÷3
42853871.666667
n÷3
32140403.75
n÷5
25712323
n2
16528088851408225
n3
2.1248777956005E+24
n4
2.7317772108004E+32
n5
3.512016900407E+40
2 √n
11338.501444194
3 √n
504.70441807965
4 √n
106.48239969213
5 √n
41.862220785933
1 , 13 , 35 , 43 , 455 , 559 , 1505 , 6571 , 19565 , 85423 , 229985 , 282553 , 2989805 , 3673189 , 9889355 , 128561615
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
-128561614
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 128561615 can be divided by 16 positive divisors.
The sum of these divisors (counting 128561615) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010011011000111001111
3
Ternary
22221220121101022
4
Quaternary
13222123013033
5
Quinary
230402432430
6
Senary
20431304355
8
Octal
752330717
10
Decimal
128561615
12
Duodecimal
3707b0bb
16
Hexadecimal
7a9b1cf
20
Vigesimal
203a40f
36
Base36
24jirz
md5
aafee0f0540740cd5c886fdd2c7cb05b
sha1
3c571c5d5a3f92401ceebafc3502e7f6ed21fda8
sha256
091f61a9f7d731a88e14e560d248aa86cf4da1f904fd0b8c695fa9b1c95d5eae
sha512
d6d063c82ac27fd0af56c926a1edef66b8abf10e2a83ba141fa1de3bf6882833540d81f1a242affe7e4df3fccc8901e19fe356bae603dcc55a4686c21f4e491c
ripemd-160
16b9d1e53ee68d8b41a4ab952f90c679817e424c
Diameter
257123230
Circumference
807776450.43528
Area
5.1924522513463E+16
Volume
8.9006672965796E+24
Surface area
2.0769809005385E+17
Circumference
807776450.43528
Perimeter
514246460
Area
16528088851408225
Diagonal
181813579.53359
Surface area
99168533108449350
Volume
2.1248777956005E+24
Space diagonal
222675249.08311
Perimeter
385684845
Area
7.1568724106629E+15
Altitude
111337624.54155
Surface area
7.1568724106629E+15
Volume
2.5041924974364E+23
Height
60604526.511196