128512940 (number)

128512940 is an even 9-digits composite number following 128512939 and preceding 128512941. In scientific notation, it is written as 1.28512940 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 51405168 positive integers (up to 128512940) that are relatively prime to 128512940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28512940 × 10^8
Engineering notation 1.28512940 × 10^6

Prime Factorization of 128512940

Prime Factorization 2 × 2 × 5 × 6425647

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64256470
Product of the distinct prime numbers

The prime factorization of 128512940 is 2 × 2 × 5 × 6425647. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 57, 73, 914, 547, 8894, 5695, 82242, 1494, 150168, 630326, 4474496, 7036368, 21386137, 72399955, 957974667, 624852222, 6885376323, 7011301651

Basic calculations (n = 128512940)

Multiplication

n×y
n×2 257025880
n×3 385538820
n×4 514051760
n×5 642564700

Division

n÷y
n÷2 64256470
n÷3 42837646.666667
n÷3 32128235
n÷5 25702588

Exponentiation

ny
n2 16515575747443600
n3 2.1224651950967E+24
n4 2.7276424226955E+32
n5 3.5053734700932E+40

Nth Root

y√n
2√n 11336.354793319
3√n 504.64071428389
4√n 106.47231937606
5√n 41.859050395988

Divisors of 128512940

1, 2, 4, 5, 10, 20, 6425647, 12851294, 25702588, 32128235, 64256470, 128512940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128512939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128512940 can be divided by 12 positive divisors. The sum of these divisors (counting 128512940) is 1, the average is 0.083333333333333.

Base conversion 128512940

Base System Value
2 Binary 111101010001111001110101100
3 Ternary 22221211010121112
4 Quaternary 13222033032230
5 Quinary 230344403230
6 Senary 20430251152
8 Octal 752171654
10 Decimal 128512940
12 Duodecimal 37056ab8
16 Hexadecimal 7a8f3ac
20 Vigesimal 2034270
36 Base36 24ih7w

Cryptographic Hash Functions

md5 3bbcf32bbe5c35408dcc29f62d1f2482
sha1 7ac9b9010a783fc6045aa7de64f74ca1ab9c2eb4
sha256 66a44b8070ea9cb422db4ff57c48f104fb2dcf93b17716e4b1a4610999e9f414
sha512 b4e53fbf1d0b75ebe3ce8851b3ee9a586bd6acb67cfe4a51c7307e3d59a0b4987ccdcf814acee8e478c7b759542a30bf9fb0bda228f35b79bde4b9f7051c4d9f
ripemd-160 5ebd794b6f410e319728e7cff836e4e24a5b7e63

128512940 as geometric shapes

Circle

Radius = n
Diameter 257025880
Circumference 807470616.39045
Area 5.1885211437975E+16

Sphere

Radius = n
Volume 8.890561419221E+24
Surface area 2.075408457519E+17
Circumference 807470616.39045

Square

Length = n
Perimeter 514051760
Area 16515575747443600
Diagonal 181744742.68844

Cube

Length = n
Surface area 99093454484661600
Volume 2.1224651950967E+24
Space diagonal 222590941.51005

Equilateral Triangle

Length = n
Perimeter 385538820
Area 7.1514540777062E+15
Altitude 111295470.75503

Triangular Pyramid

Length = n
Surface area 7.1514540777062E+15
Volume 2.5013492204755E+23
Height 60581580.896147