128642012 (number)

128642012 is an even 9-digits composite number following 128642011 and preceding 128642013. In scientific notation, it is written as 1.28642012 × 10^8. The sum of its digits is 26. It has a total of 3 prime factors and 6 positive divisors. There are 64321004 positive integers (up to 128642012) that are relatively prime to 128642012.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred forty-two thousand twelve

Notation

Scientific notation 1.28642012 × 10^8
Engineering notation 1.28642012 × 10^6

Prime Factorization of 128642012

Prime Factorization 2 × 2 × 32160503

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64321006
Product of the distinct prime numbers

The prime factorization of 128642012 is 2 × 2 × 32160503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128642012)

Multiplication

n×y
n×2 257284024
n×3 385926036
n×4 514568048
n×5 643210060

Division

n÷y
n÷2 64321006
n÷3 42880670.666667
n÷3 32160503
n÷5 25728402.4

Exponentiation

ny
n2 16548767251408144
n3 2.1288667153409E+24
n4 2.7386169754128E+32
n5 3.5230119781446E+40

Nth Root

y√n
2√n 11342.046199871
3√n 504.80960309338
4√n 106.49904318758
5√n 41.867455249422

Divisors of 128642012

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128642011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128642012 can be divided by 6 positive divisors. The sum of these divisors (counting 128642012) is 1, the average is 0.16666666666667.

Base conversion 128642012

Base System Value
2 Binary 111101010101110101111011100
3 Ternary 22222001200122222
4 Quaternary 13222232233130
5 Quinary 230413021022
6 Senary 20433124512
8 Octal 752565734
10 Decimal 128642012
12 Duodecimal 370b9738
16 Hexadecimal 7aaebdc
20 Vigesimal 204050c
36 Base36 24l8t8

Cryptographic Hash Functions

md5 23baaed04ab841e7801923a32123022b
sha1 e5a4437bb2917e3085c964db17f0b1e0e6012449
sha256 532ceb9fad2e00d0d8f0cfb527683a496073b9f3da72e36190f2d103754cde47
sha512 25da2bc34aee9e472ff05a8d0cdd01e47c27dfbb399102914003ef2ad9373538b69b7ee4dae8eea3d2ea50ad94486764d0227b9f58556ad1611fc8bb14f9b397
ripemd-160 793666c5f4d4ca82322a558431c372baa16b8b5e

128642012 as geometric shapes

Circle

Radius = n
Diameter 257284024
Circumference 808281599.68442
Area 5.1989485622991E+16

Sphere

Radius = n
Volume 8.9173760445155E+24
Surface area 2.0795794249196E+17
Circumference 808281599.68442

Square

Length = n
Perimeter 514568048
Area 16548767251408144
Diagonal 181927278.06136

Cube

Length = n
Surface area 99292603508448864
Volume 2.1288667153409E+24
Space diagonal 222814500.77189

Equilateral Triangle

Length = n
Perimeter 385926036
Area 7.1658264205177E+15
Altitude 111407250.38594

Triangular Pyramid

Length = n
Surface area 7.1658264205177E+15
Volume 2.5088934844331E+23
Height 60642426.020454