128820090 (number)

128820090 is an even 9-digits composite number following 128820089 and preceding 128820091. In scientific notation, it is written as 1.28820090 × 10^8. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 29367360 positive integers (up to 128820090) that are relatively prime to 128820090.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28820090 × 10^8
Engineering notation 1.28820090 × 10^6

Prime Factorization of 128820090

Prime Factorization 2 × 7 × 15 × 991 × 619

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128820090
Product of the distinct prime numbers

The prime factorization of 128820090 is 2 × 7 × 15 × 991 × 619. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 96, 72, 451, 309, 8203, 403, 73980, 83294, 483420, 383673, 2596417, 1564810, 9618012, 51867082, 766568184, 211682742, 681681384, 3994484007

Basic calculations (n = 128820090)

Multiplication

n×y
n×2 257640180
n×3 386460270
n×4 515280360
n×5 644100450

Division

n÷y
n÷2 64410045
n÷3 42940030
n÷3 32205022.5
n÷5 25764018

Exponentiation

ny
n2 16594615587608100
n3 2.1377198735111E+24
n4 2.7538126650049E+32
n5 3.5474639534907E+40

Nth Root

y√n
2√n 11349.893832103
3√n 505.04243018323
4√n 106.53588049152
5√n 41.879040186065

Divisors of 128820090

1, 2, 7, 14, 15, 30, 105, 210, 619, 991, 1238, 1982, 4333, 6937, 8666, 9285, 13874, 14865, 18570, 29730, 64995, 104055, 129990, 208110, 613429, 1226858, 4294003, 8588006, 9201435, 18402870, 64410045, 128820090

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128820089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128820090 can be divided by 32 positive divisors. The sum of these divisors (counting 128820090) is 1, the average is 0.03125.

Base conversion 128820090

Base System Value
2 Binary 111101011011010001101111010
3 Ternary 22222101201221110
4 Quaternary 13223122031322
5 Quinary 230434220330
6 Senary 20441021150
8 Octal 753321572
10 Decimal 128820090
12 Duodecimal 371847b6
16 Hexadecimal 7ada37a
20 Vigesimal 2052a4a
36 Base36 24p27u

Cryptographic Hash Functions

md5 ca030aa2d52896c86e33c29658c11efb
sha1 83ecd51ee1922185e4652d6eaa06ef6693788b3b
sha256 e6f698f8f375bd306b37d5c41d842f25367f8087c58b6024fba6893b3bc11b59
sha512 b7425fc2441d78caa7bad2aa1fd806926f74c49818dbd038ab118afc487f0a70e64f9def6d6589618fa4ef850d1ee911c088157517294f2f598751a48613703f
ripemd-160 b5d32e2c4c2e14ecb7f4db4f91fa1726b18d6511

128820090 as geometric shapes

Circle

Radius = n
Diameter 257640180
Circumference 809400496.75755
Area 5.2133522419176E+16

Sphere

Radius = n
Volume 8.9544600667404E+24
Surface area 2.0853408967671E+17
Circumference 809400496.75755

Square

Length = n
Perimeter 515280360
Area 16594615587608100
Diagonal 182179118.38412

Cube

Length = n
Surface area 99567693525648600
Volume 2.1377198735111E+24
Space diagonal 223122940.9156

Equilateral Triangle

Length = n
Perimeter 386460270
Area 7.1856793324529E+15
Altitude 111561470.4578

Triangular Pyramid

Length = n
Surface area 7.1856793324529E+15
Volume 2.5193270313949E+23
Height 60726372.794708