128795890 (number)

128795890 is an even 9-digits composite number following 128795889 and preceding 128795891. In scientific notation, it is written as 1.28795890 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 50125824 positive integers (up to 128795890) that are relatively prime to 128795890.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million seven hundred ninety-five thousand eight hundred ninety

Notation

Scientific notation 1.28795890 × 10^8
Engineering notation 1.28795890 × 10^6

Prime Factorization of 128795890

Prime Factorization 2 × 5 × 37 × 348097

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128795890
Product of the distinct prime numbers

The prime factorization of 128795890 is 2 × 5 × 37 × 348097. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 64, 63, 674, 463, 7421, 1578, 67633, 42825, 26890, 885240, 7304597, 989312, 83735402, 28391100, 589416439, 25705300, 958491605, 4525038550

Basic calculations (n = 128795890)

Multiplication

n×y
n×2 257591780
n×3 386387670
n×4 515183560
n×5 643979450

Division

n÷y
n÷2 64397945
n÷3 42931963.333333
n÷3 32198972.5
n÷5 25759178

Exponentiation

ny
n2 16588381280892100
n3 2.1365153307318E+24
n4 2.7517439352025E+32
n5 3.5441330918651E+40

Nth Root

y√n
2√n 11348.827692762
3√n 505.01080263138
4√n 106.53087671075
5√n 41.877466597757

Divisors of 128795890

1, 2, 5, 10, 37, 74, 185, 370, 348097, 696194, 1740485, 3480970, 12879589, 25759178, 64397945, 128795890

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 -128795889
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 128795890 can be divided by 16 positive divisors. The sum of these divisors (counting 128795890) is 1, the average is 0.0625.

Base conversion 128795890

Base System Value
2 Binary 111101011010100010011110010
3 Ternary 22222100111202011
4 Quaternary 13223110103302
5 Quinary 230432432030
6 Senary 20440313134
8 Octal 753242362
10 Decimal 128795890
12 Duodecimal 371727aa
16 Hexadecimal 7ad44f2
20 Vigesimal 204j9ea
36 Base36 24ojjm

Cryptographic Hash Functions

md5 86626e06fc26e8747c112d508574959c
sha1 8481acb55f345ea15bd85112f3a60de9d6b535ae
sha256 4cde1baf2a2c9a143bc899078996beda8c82790168d54ebf3617a974a02977ce
sha512 88b15e6ae949715032afee0e0c1a71461470cad9318a40a41272aff94ee26a61904f9855ed2ab8cd94dc762d5f1b581838d1be0163b46c99c2d1e1ef5ebdbbc7
ripemd-160 d893078c30de0ed829319da785a8959238d9541e

128795890 as geometric shapes

Circle

Radius = n
Diameter 257591780
Circumference 809248443.67312
Area 5.2113936766997E+16

Sphere

Radius = n
Volume 8.9494144897455E+24
Surface area 2.0845574706799E+17
Circumference 809248443.67312

Square

Length = n
Perimeter 515183560
Area 16588381280892100
Diagonal 182144894.41591

Cube

Length = n
Surface area 99530287685352600
Volume 2.1365153307318E+24
Space diagonal 223081025.28605

Equilateral Triangle

Length = n
Perimeter 386387670
Area 7.1829797984574E+15
Altitude 111540512.64303

Triangular Pyramid

Length = n
Surface area 7.1829797984574E+15
Volume 2.5179074641158E+23
Height 60714964.805304