128522871 is an odd 9-digits composite number following 128522870
and preceding 128522872 . In scientific notation, it is written as 1.28522871 × 10^8.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 85681908 positive integers (up to 128522871) that are relatively prime to 128522871.
128522871 has 4 divisors, whose sum is 142803200
The reverse of 128522871 is 178225821
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million five hundred twenty-two thousand eight hundred seventy-one
Scientific notation
1.28522871 × 10^8
Engineering notation
1.28522871 × 10^6
Prime Factorization
9 × 14280319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128522871
Product of the distinct prime numbers
The prime factorization of 128522871 is 9 × 14280319.
Since it has a total of 2 prime factors.
10 , 3 , 14 , 11 , 459 , 235 , 2029 , 8922 , 5925 , 18635 , 404983 , 560437 , 3864126 , 347930 , 41442256 , 21161292 , 344234085 , 686001270 , 1770037953 , 1176971325
n×2
257045742
n×3
385568613
n×4
514091484
n×5
642614355
n÷2
64261435.5
n÷3
42840957
n÷3
32130717.75
n÷5
25704574.2
n2
16518128370082641
n3
2.1229572816696E+24
n4
2.7284856485053E+32
n5
3.506728090282E+40
2 √n
11336.792800435
3 √n
504.65371286558
4 √n
106.47437626225
5 √n
41.859697318205
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128522870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128522871 can be divided by 4 positive divisors.
The sum of these divisors (counting 128522871) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010001101001110111
3
Ternary
22221211122020100
4
Quaternary
13222101221313
5
Quinary
230400212441
6
Senary
20430405143
8
Octal
752215167
10
Decimal
128522871
12
Duodecimal
370607b3
16
Hexadecimal
7a91a77
20
Vigesimal
203573b
36
Base36
24iovr
md5
ec04ed9257541517b5f0698781e4cbe0
sha1
2e24751376ff074aa99911f4d1badb46ca44a465
sha256
eb7028ae44548d99e5fba4642bbbb39ed2b48091313f84080bcac02b58b2fca1
sha512
c02113c04cdb994508aa40597bd32291b6f72393498d6deb1b9d28e78bb439ce76b2d705bc04c3e48fe5bdcb622644a1fb1ddbe36e01128918568901de6d7461
ripemd-160
98511f2f7823699b40bcd36dd10193280aadb2f7
Diameter
257045742
Circumference
807533014.70374
Area
5.1893230738505E+16
Volume
8.8926226666374E+24
Surface area
2.0757292295402E+17
Circumference
807533014.70374
Perimeter
514091484
Area
16518128370082641
Diagonal
181758787.24333
Surface area
99108770220495846
Volume
2.1229572816696E+24
Space diagonal
222608142.50662
Perimeter
385568613
Area
7.152559395732E+15
Altitude
111304071.25331
Surface area
7.152559395732E+15
Volume
2.5019291500632E+23
Height
60586262.414443