128540242 (number)

128540242 is an even 9-digits composite number following 128540241 and preceding 128540243. In scientific notation, it is written as 1.28540242 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 64003200 positive integers (up to 128540242) that are relatively prime to 128540242.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred forty thousand two hundred forty-two

Notation

Scientific notation 1.28540242 × 10^8
Engineering notation 1.28540242 × 10^6

Prime Factorization of 128540242

Prime Factorization 2 × 241 × 266681

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128540242
Product of the distinct prime numbers

The prime factorization of 128540242 is 2 × 241 × 266681. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 65, 87, 970, 855, 9596, 4462, 24355, 73385, 145314, 90486, 1202091, 2498796, 44760760, 96962973, 389381197, 92580524, 5079111197, 997963563

Basic calculations (n = 128540242)

Multiplication

n×y
n×2 257080484
n×3 385620726
n×4 514160968
n×5 642701210

Division

n÷y
n÷2 64270121
n÷3 42846747.333333
n÷3 32135060.5
n÷5 25708048.4

Exponentiation

ny
n2 16522593813418564
n3 2.1238182072445E+24
n4 2.7299610632322E+32
n5 3.5090985571844E+40

Nth Root

y√n
2√n 11337.558908336
3√n 504.67644797531
4√n 106.47797381776
5√n 41.860828798521

Divisors of 128540242

1, 2, 241, 482, 266681, 533362, 64270121, 128540242

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 -128540241
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 128540242 can be divided by 8 positive divisors. The sum of these divisors (counting 128540242) is 1, the average is 0.125.

Base conversion 128540242

Base System Value
2 Binary 111101010010101111001010010
3 Ternary 22221212112001201
4 Quaternary 13222111321102
5 Quinary 230401241432
6 Senary 20431021414
8 Octal 752257122
10 Decimal 128540242
12 Duodecimal 3706a86a
16 Hexadecimal 7a95e52
20 Vigesimal 2037ac2
36 Base36 24j2aa

Cryptographic Hash Functions

md5 9a56af5bca725b27b18a87d4bf4698fd
sha1 276d16d9944bc28099ecf2da9e3dfff7452899e0
sha256 8e6f13f21e3bbe1cdd142fe72ae80b667e970bd66066bee8070415c54963e297
sha512 cec57bfdb8240c62bb19b4c11984e8462faa4fd959494b69fcb4fa87938312dc76ecc3c61a6b5a5dcc84403ad18cff9a26b88d0b6602e062e190cd3a648ea157
ripemd-160 541020b10c70120784b1de575237667ea4815fc7

128540242 as geometric shapes

Circle

Radius = n
Diameter 257080484
Circumference 807642159.91571
Area 5.1907259342484E+16

Sphere

Radius = n
Volume 8.8962289032529E+24
Surface area 2.0762903736994E+17
Circumference 807642159.91571

Square

Length = n
Perimeter 514160968
Area 16522593813418564
Diagonal 181783353.54712

Cube

Length = n
Surface area 99135562880511384
Volume 2.1238182072445E+24
Space diagonal 222638229.9612

Equilateral Triangle

Length = n
Perimeter 385620726
Area 7.154492989416E+15
Altitude 111319114.9806

Triangular Pyramid

Length = n
Surface area 7.154492989416E+15
Volume 2.5029437605834E+23
Height 60594451.182373