128688082 is an even 9-digits composite number following 128688081
and preceding 128688083 . In scientific notation, it is written as 1.28688082 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 61546452 positive integers (up to 128688082) that are relatively prime to 128688082.
128688082 has 8 divisors, whose sum is 201424896
The reverse of 128688082 is 280886821
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million six hundred eighty-eight thousand eighty-two
Scientific notation
1.28688082 × 10^8
Engineering notation
1.28688082 × 10^6
Prime Factorization
2 × 23 × 2797567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128688082
Product of the distinct prime numbers
The prime factorization of 128688082 is 2 × 23 × 2797567.
Since it has a total of 3 prime factors.
6 , 1 , 96 , 82 , 363 , 915 , 8097 , 3927 , 19463 , 49515 , 318962 , 706915 , 7566150 , 1022420 , 32318862 , 91807418 , 217515928 , 576537388 , 468247815 , 1624704804
n×2
257376164
n×3
386064246
n×4
514752328
n×5
643440410
n÷2
64344041
n÷3
42896027.333333
n÷3
32172020.5
n÷5
25737616.4
n2
16560622448838724
n3
2.1311547396672E+24
n4
2.7425421589298E+32
n5
3.5293249023682E+40
2 √n
11344.076956721
3 √n
504.86985765134
4 √n
106.50857691623
5 √n
41.870453581595
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
-128688081
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 128688082 can be divided by 8 positive divisors.
The sum of these divisors (counting 128688082) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010111001111111010010
3
Ternary
22222011000212021
4
Quaternary
13222321333102
5
Quinary
230421004312
6
Senary
20434122054
8
Octal
752717722
10
Decimal
128688082
12
Duodecimal
3712032a
16
Hexadecimal
7ab9fd2
20
Vigesimal
2046042
36
Base36
24m8cy
md5
be6bc1d54e4f76eeaf61ee5aa0b5a8e2
sha1
e81a4fca7a06b5aae0d2bfb0138ae0fbfcaf47d9
sha256
2047c1c214aa04ecf3414d541701354dd09096f18ca6222cef6d9ca021845bb5
sha512
f0db92696cad8b9649cdd1dcc4589f0e89dafa88bbbef9f1f1b9484237c1e2186b1142325fbe10c34544debc2dd28ad1799b761b10004bbb049ac256a1f644ca
ripemd-160
00eb30743d811f2841eacda2c32f17cc5fc21074
Diameter
257376164
Circumference
808571066.03152
Area
5.2026729824146E+16
Volume
8.9269600984021E+24
Surface area
2.0810691929658E+17
Circumference
808571066.03152
Perimeter
514752328
Area
16560622448838724
Diagonal
181992430.88018
Surface area
99363734693032344
Volume
2.1311547396672E+24
Space diagonal
222894296.35259
Perimeter
386064246
Area
7.1709598715886E+15
Altitude
111447148.17629
Surface area
7.1709598715886E+15
Volume
2.5115899469609E+23
Height
60664143.626727