128512942 (number)

128512942 is an even 9-digits composite number following 128512941 and preceding 128512943. In scientific notation, it is written as 1.28512942 × 10^8. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 62568000 positive integers (up to 128512942) that are relatively prime to 128512942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28512942 × 10^8
Engineering notation 1.28512942 × 10^6

Prime Factorization of 128512942

Prime Factorization 2 × 41 × 661 × 2371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128512942
Product of the distinct prime numbers

The prime factorization of 128512942 is 2 × 41 × 661 × 2371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 81, 21, 668, 24, 76, 5389, 80575, 34170, 197944, 654149, 7807468, 2719328, 52633768, 42257356, 673472046, 305632214, 4794101532, 9606363877

Basic calculations (n = 128512942)

Multiplication

n×y
n×2 257025884
n×3 385538826
n×4 514051768
n×5 642564710

Division

n÷y
n÷2 64256471
n÷3 42837647.333333
n÷3 32128235.5
n÷5 25702588.4

Exponentiation

ny
n2 16515576261495364
n3 2.1224652941901E+24
n4 2.7276425924927E+32
n5 3.5053737428574E+40

Nth Root

y√n
2√n 11336.35488153
3√n 504.64071690174
4√n 106.47231979031
5√n 41.859050526275

Divisors of 128512942

1, 2, 41, 82, 661, 1322, 2371, 4742, 27101, 54202, 97211, 194422, 1567231, 3134462, 64256471, 128512942

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128512941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128512942 can be divided by 16 positive divisors. The sum of these divisors (counting 128512942) is 1, the average is 0.0625.

Base conversion 128512942

Base System Value
2 Binary 111101010001111001110101110
3 Ternary 22221211010121121
4 Quaternary 13222033032232
5 Quinary 230344403232
6 Senary 20430251154
8 Octal 752171656
10 Decimal 128512942
12 Duodecimal 37056aba
16 Hexadecimal 7a8f3ae
20 Vigesimal 2034272
36 Base36 24ih7y

Cryptographic Hash Functions

md5 6f9faf53d85727f246557b4903087d6f
sha1 80d9fe3b661f9d5faa1a920056a276be1ba41065
sha256 5e4d2db8c38fae2a5b24cef32c5f4d89ad1c3076b2d969593480b3baffea5daf
sha512 6ff768ad694dfb19afd7c36070499c5475f875e9fabc0cc569745973c137560177eccb3fd66e171c2242243fb4ac4e693df72740238b41776efa052df9252f8a
ripemd-160 3ddcae04fbb04dffff680b1262494964584f9022

128512942 as geometric shapes

Circle

Radius = n
Diameter 257025884
Circumference 807470628.95682
Area 5.1885213052916E+16

Sphere

Radius = n
Volume 8.8905618343027E+24
Surface area 2.0754085221166E+17
Circumference 807470628.95682

Square

Length = n
Perimeter 514051768
Area 16515576261495364
Diagonal 181744745.51687

Cube

Length = n
Surface area 99093457568972184
Volume 2.1224652941901E+24
Space diagonal 222590944.97415

Equilateral Triangle

Length = n
Perimeter 385538826
Area 7.1514543002971E+15
Altitude 111295472.48708

Triangular Pyramid

Length = n
Surface area 7.1514543002971E+15
Volume 2.5013493372582E+23
Height 60581581.838956