128840105 (number)

128840105 is an odd 9-digits composite number following 128840104 and preceding 128840106. In scientific notation, it is written as 1.28840105 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 100286208 positive integers (up to 128840105) that are relatively prime to 128840105.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28840105 × 10^8
Engineering notation 1.28840105 × 10^6

Prime Factorization of 128840105

Prime Factorization 5 × 37 × 696433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128840105
Product of the distinct prime numbers

The prime factorization of 128840105 is 5 × 37 × 696433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128840105)

Multiplication

n×y
n×2 257680210
n×3 386520315
n×4 515360420
n×5 644200525

Division

n÷y
n÷2 64420052.5
n÷3 42946701.666667
n÷3 32210026.25
n÷5 25768021

Exponentiation

ny
n2 16599772656411025
n3 2.1387164520281E+24
n4 2.7555245224453E+32
n5 3.5502206880193E+40

Nth Root

y√n
2√n 11350.775524166
3√n 505.06858526708
4√n 106.54001841639
5√n 41.880341468963

Divisors of 128840105

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128840104
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128840105 can be divided by 8 positive divisors. The sum of these divisors (counting 128840105) is 1, the average is 0.125.

Base conversion 128840105

Base System Value
2 Binary 111101011011111000110101001
3 Ternary 22222102202101202
4 Quaternary 13223133012221
5 Quinary 230440340410
6 Senary 20441253545
8 Octal 753370651
10 Decimal 128840105
12 Duodecimal 371942b5
16 Hexadecimal 7adf1a9
20 Vigesimal 2055055
36 Base36 24phnt

Cryptographic Hash Functions

md5 4221efda17f9c7352afe6f3dff9020a0
sha1 8944a6684a6352f36c4f42699b6be6c1e4a2c1e8
sha256 f4f7a52752983d0b2a2df87a1c78fd34b4f2ca31da1a3d0a571c1815cee95864
sha512 eb34f023b42866022cb64cf8994a0d3fd972b068101323bfac0e146666500c280f3d709d360084cdd6621a6913a6e8c7b0e55be9a742b12d3d74ba53247fd5c9
ripemd-160 ad02d8bcfe1fd1941ef4498edca4bc1c620b50d2

128840105 as geometric shapes

Circle

Radius = n
Diameter 257680210
Circumference 809526254.71148
Area 5.2149723828642E+16

Sphere

Radius = n
Volume 8.9586345250709E+24
Surface area 2.0859889531457E+17
Circumference 809526254.71148

Square

Length = n
Perimeter 515360420
Area 16599772656411025
Diagonal 182207423.86857

Cube

Length = n
Surface area 99598635938466150
Volume 2.1387164520281E+24
Space diagonal 223157607.91251

Equilateral Triangle

Length = n
Perimeter 386520315
Area 7.1879124087491E+15
Altitude 111578803.95625

Triangular Pyramid

Length = n
Surface area 7.1879124087491E+15
Volume 2.5205015104405E+23
Height 60735807.956191