128523971 is an odd 9-digits composite number following 128523970
and preceding 128523972 . In scientific notation, it is written as 1.28523971 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 124234560 positive integers (up to 128523971) that are relatively prime to 128523971.
128523971 has 8 divisors, whose sum is 132871200
The reverse of 128523971 is 179325821
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million five hundred twenty-three thousand nine hundred seventy-one
Scientific notation
1.28523971 × 10^8
Engineering notation
1.28523971 × 10^6
Prime Factorization
41 × 109 × 28759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128523971
Product of the distinct prime numbers
The prime factorization of 128523971 is 41 × 109 × 28759.
Since it has a total of 3 prime factors.
5 , 2 , 33 , 74 , 408 , 39 , 5755 , 7581 , 2708 , 93483 , 411349 , 828790 , 1435472 , 3821499 , 38886234 , 55368148 , 301596196 , 523538780 , 9162727631 , 5544591734
n×2
257047942
n×3
385571913
n×4
514095884
n×5
642619855
n÷2
64261985.5
n÷3
42841323.666667
n÷3
32130992.75
n÷5
25704794.2
n2
16518411121608841
n3
2.1230117919597E+24
n4
2.7285790598249E+32
n5
3.5068781595614E+40
2 √n
11336.841314934
3 √n
504.65515260285
4 √n
106.47460408442
5 √n
41.859768971614
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
-128523970
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 128523971 can be divided by 8 positive divisors.
The sum of these divisors (counting 128523971) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010010001111011000011
3
Ternary
22221211200202002
4
Quaternary
13222101323003
5
Quinary
230400231341
6
Senary
20430414215
8
Octal
752217303
10
Decimal
128523971
12
Duodecimal
3706136b
16
Hexadecimal
7a91ec3
20
Vigesimal
20359ib
36
Base36
24ipqb
md5
0bc125fd5120acf0e7fc6e157362d3cf
sha1
728b0f42b527b32f0080558f21f5b266037e0093
sha256
009886691914da61c3539ed382b084ae6cbcc52d0526baab354bdaf36d25ba6d
sha512
2d002e8bf50936780a1575ca0404a27db50b143a4e42b5962c5556b1ef3cfbd3e22774c80b2275c624fa1e4917bbe657ca4efd3c6d329bc6b7edc39f462b6416
ripemd-160
107627ff1950eb6febf250ce99dffd31bba1c134
Diameter
257047942
Circumference
807539926.20758
Area
5.1894119028622E+16
Volume
8.8928509988069E+24
Surface area
2.0757647611449E+17
Circumference
807539926.20758
Perimeter
514095884
Area
16518411121608841
Diagonal
181760342.87825
Surface area
99110466729653046
Volume
2.1230117919597E+24
Space diagonal
222610047.76251
Perimeter
385571913
Area
7.1526818307343E+15
Altitude
111305023.88125
Surface area
7.1526818307343E+15
Volume
2.5019933910562E+23
Height
60586780.959415