128540240 is an even 9-digits composite number following 128540239
and preceding 128540241 . In scientific notation, it is written as 1.28540240 × 10^8.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 51416064 positive integers (up to 128540240) that are relatively prime to 128540240.
128540240 has 20 divisors, whose sum is 298856244
The reverse of 128540240 is 042045821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-eight million five hundred forty thousand two hundred forty
Scientific notation
1.28540240 × 10^8
Engineering notation
1.28540240 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 1606753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16067530
Product of the distinct prime numbers
The prime factorization of 128540240 is 2 × 2 × 2 × 2 × 5 × 1606753.
Since it has a total of 6 prime factors.
7 , 3 , 60 , 100 , 474 , 791 , 6508 , 4599 , 35692 , 88061 , 551502 , 586041 , 1564837 , 7384070 , 88186216 , 53483500 , 742129765 , 923010655 , 1177537218 , 1606321248
n×2
257080480
n×3
385620720
n×4
514160960
n×5
642701200
n÷2
64270120
n÷3
42846746.666667
n÷3
32135060
n÷5
25708048
n2
16522593299257600
n3
2.123818108109E+24
n4
2.7299608933267E+32
n5
3.5090982841883E+40
2 √n
11337.558820134
3 √n
504.67644535784
4 √n
106.47797340358
5 √n
41.860828668255
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 1606753 , 3213506 , 6427012 , 8033765 , 12854024 , 16067530 , 25708048 , 32135060 , 64270120 , 128540240
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128540239
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128540240 can be divided by 20 positive divisors.
The sum of these divisors (counting 128540240) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101010010101111001010000
3
Ternary
22221212112001122
4
Quaternary
13222111321100
5
Quinary
230401241430
6
Senary
20431021412
8
Octal
752257120
10
Decimal
128540240
12
Duodecimal
3706a868
16
Hexadecimal
7a95e50
20
Vigesimal
2037ac0
36
Base36
24j2a8
md5
4eb82e3223422abb3a7e5862dbe825e5
sha1
c3ec017a8e4d91c9705130084e9e56911effc027
sha256
edbbf51627f6010f59909f139d451f83d4de37d96cf497705c6cd60209363216
sha512
da6f9734e4cf5b2c0bfd5c9a878a8967852a94ef69f1a404d5a4b3a9f7cb742baa57cf808d16bb5d15f52df8921295e0bbed586410196a38c1a7388169e46bf4
ripemd-160
8a4507b0707c532643bfbc2f007a3a22425c7d10
Diameter
257080480
Circumference
807642147.34934
Area
5.19072577272E+16
Volume
8.8962284879948E+24
Surface area
2.076290309088E+17
Circumference
807642147.34934
Perimeter
514160960
Area
16522593299257600
Diagonal
181783350.71869
Surface area
99135559795545600
Volume
2.123818108109E+24
Space diagonal
222638226.4971
Perimeter
385620720
Area
7.1544927667778E+15
Altitude
111319113.24855
Surface area
7.1544927667778E+15
Volume
2.5029436437511E+23
Height
60594450.239564