128795840 (number)

128795840 is an even 9-digits composite number following 128795839 and preceding 128795841. In scientific notation, it is written as 1.28795840 × 10^8. The sum of its digits is 44. It has a total of 8 prime factors and 28 positive divisors. There are 51518208 positive integers (up to 128795840) that are relatively prime to 128795840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28795840 × 10^8
Engineering notation 1.28795840 × 10^6

Prime Factorization of 128795840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 402487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 4024870
Product of the distinct prime numbers

The prime factorization of 128795840 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 402487. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 2, 42, 65, 251, 297, 8556, 4714, 67789, 72165, 126112, 752479, 6879046, 3434192, 37195719, 54368469, 717271691, 50833789, 191881791, 9521228826

Basic calculations (n = 128795840)

Multiplication

n×y
n×2 257591680
n×3 386387520
n×4 515183360
n×5 643979200

Division

n÷y
n÷2 64397920
n÷3 42931946.666667
n÷3 32198960
n÷5 25759168

Exponentiation

ny
n2 16588368401305600
n3 2.1365128424756E+24
n4 2.7517396621743E+32
n5 3.5441262125106E+40

Nth Root

y√n
2√n 11348.825489891
3√n 505.0107372811
4√n 106.53086637163
5√n 41.877463346297

Divisors of 128795840

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 402487, 804974, 1609948, 2012435, 3219896, 4024870, 6439792, 8049740, 12879584, 16099480, 25759168, 32198960, 64397920, 128795840

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 -128795839
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 128795840 can be divided by 28 positive divisors. The sum of these divisors (counting 128795840) is 1, the average is 0.035714285714286.

Base conversion 128795840

Base System Value
2 Binary 111101011010100010011000000
3 Ternary 22222100111200022
4 Quaternary 13223110103000
5 Quinary 230432431330
6 Senary 20440313012
8 Octal 753242300
10 Decimal 128795840
12 Duodecimal 37172768
16 Hexadecimal 7ad44c0
20 Vigesimal 204j9c0
36 Base36 24oji8

Cryptographic Hash Functions

md5 28efa2717fceea7e9f9f37b23343abae
sha1 cd9c379c81caced924f952a267e186004a92cfda
sha256 9e7d0e289e857d82d3150814556b977b5f0c1160ee8cd49f9fae1167fd5e54d9
sha512 f40a787429a5440978a340b795cef12b0e663381aa5f78364b00a6bfacef58f046b63d3454f2c48ef807a7d54e7abcb318df0d0fba2e9637fc5aae4433ed0b20
ripemd-160 e6001bbcce50afec0def56fde12bcf4c443c36f5

128795840 as geometric shapes

Circle

Radius = n
Diameter 257591680
Circumference 809248129.51385
Area 5.2113896304583E+16

Sphere

Radius = n
Volume 8.9494040669622E+24
Surface area 2.0845558521833E+17
Circumference 809248129.51385

Square

Length = n
Perimeter 515183360
Area 16588368401305600
Diagonal 182144823.70524

Cube

Length = n
Surface area 99530210407833600
Volume 2.1365128424756E+24
Space diagonal 223080938.68351

Equilateral Triangle

Length = n
Perimeter 386387520
Area 7.1829742214329E+15
Altitude 111540469.34176

Triangular Pyramid

Length = n
Surface area 7.1829742214329E+15
Volume 2.5179045316778E+23
Height 60714941.235078