128418880 (number)

128418880 is an even 9-digits composite number following 128418879 and preceding 128418881. In scientific notation, it is written as 1.28418880 × 10^8. The sum of its digits is 40. It has a total of 8 prime factors and 28 positive divisors. There are 51367424 positive integers (up to 128418880) that are relatively prime to 128418880.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred eighteen thousand eight hundred eighty

Notation

Scientific notation 1.28418880 × 10^8
Engineering notation 1.28418880 × 10^6

Prime Factorization of 128418880

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 401309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 4013090
Product of the distinct prime numbers

The prime factorization of 128418880 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 401309. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128418880)

Multiplication

n×y
n×2 256837760
n×3 385256640
n×4 513675520
n×5 642094400

Division

n÷y
n÷2 64209440
n÷3 42806293.333333
n÷3 32104720
n÷5 25683776

Exponentiation

ny
n2 16491408740454400
n3 2.1178082400714E+24
n4 2.7196656224474E+32
n5 3.4925641320919E+40

Nth Root

y√n
2√n 11332.205434072
3√n 504.51756691649
4√n 106.4528319683
5√n 41.852921183666

Divisors of 128418880

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128418879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128418880 can be divided by 28 positive divisors. The sum of these divisors (counting 128418880) is 1, the average is 0.035714285714286.

Base conversion 128418880

Base System Value
2 Binary 111101001111000010001000000
3 Ternary 22221122100120211
4 Quaternary 13221320101000
5 Quinary 230333401010
6 Senary 20424243504
8 Octal 751702100
10 Decimal 128418880
12 Duodecimal 37010594
16 Hexadecimal 7a78440
20 Vigesimal 202c740
36 Base36 24ggn4

Cryptographic Hash Functions

md5 52ed34dba5e7b7b6c03d52edc4a8fbb9
sha1 a2315fc3d4895aa36d66e9b0f6fe97c64fc0c030
sha256 30441d556fb79807bb4caba4440061e7c9d75f797d8b600b0ba166c468e9e24b
sha512 ded565818a6e4aed8322b7317abe6ff8a54e4f5e1747256c755c29f61e7f59d94e541b8b76cf470c86e09de09c9d6ce3505fe42d3cf8dc9beaa1b702a554bca2
ripemd-160 69dc6bcc6d19ec2a64dd07ed77aa9bccd6c7dd12

128418880 as geometric shapes

Circle

Radius = n
Diameter 256837760
Circumference 806879619.98046
Area 5.1809288546358E+16

Sphere

Radius = n
Volume 8.8710544116268E+24
Surface area 2.0723715418543E+17
Circumference 806879619.98046

Square

Length = n
Perimeter 513675520
Area 16491408740454400
Diagonal 181611721.76076

Cube

Length = n
Surface area 98948452442726400
Volume 2.1178082400714E+24
Space diagonal 222428024.81109

Equilateral Triangle

Length = n
Perimeter 385256640
Area 7.1409894567131E+15
Altitude 111214012.40555

Triangular Pyramid

Length = n
Surface area 7.1409894567131E+15
Volume 2.4958609463453E+23
Height 60537240.586921