128488976 (number)

128488976 is an even 9-digits composite number following 128488975 and preceding 128488977. In scientific notation, it is written as 1.28488976 × 10^8. The sum of its digits is 53. It has a total of 8 prime factors and 80 positive divisors. There are 48840960 positive integers (up to 128488976) that are relatively prime to 128488976.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred eighty-eight thousand nine hundred seventy-six

Notation

Scientific notation 1.28488976 × 10^8
Engineering notation 1.28488976 × 10^6

Prime Factorization of 128488976

Prime Factorization 2 × 2 × 2 × 2 × 77 × 7 × 47 × 317

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 16061122
Product of the distinct prime numbers

The prime factorization of 128488976 is 2 × 2 × 2 × 2 × 77 × 7 × 47 × 317. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128488976)

Multiplication

n×y
n×2 256977952
n×3 385466928
n×4 513955904
n×5 642444880

Division

n÷y
n÷2 64244488
n÷3 42829658.666667
n÷3 32122244
n÷5 25697795.2

Exponentiation

ny
n2 16509416953528576
n3 2.1212780787159E+24
n4 2.7256084814546E+32
n5 3.5021064275901E+40

Nth Root

y√n
2√n 11335.29779053
3√n 504.60934529792
4√n 106.46735551581
5√n 41.857489175596

Divisors of 128488976

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128488975
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128488976 can be divided by 80 positive divisors. The sum of these divisors (counting 128488976) is 1, the average is 0.0125.

Base conversion 128488976

Base System Value
2 Binary 111101010001001011000010000
3 Ternary 22221202220201222
4 Quaternary 13222021120100
5 Quinary 230343121401
6 Senary 20425544212
8 Octal 752113020
10 Decimal 128488976
12 Duodecimal 37045068
16 Hexadecimal 7a89610
20 Vigesimal 203128g
36 Base36 24hyq8

Cryptographic Hash Functions

md5 b1c35289e84c1f3b79db931ac45dea83
sha1 f77fb4a598adaf35802cf4541a8b2bf1289dbee0
sha256 b1a206e7de62e04f2f69f36f2e88dae13843db0721c7f82bc6eb28b145853679
sha512 6b62098085a4a8662cd02848c5d497b4426ecf76a9d60d4545909e17341c251ad210ac2202378204fdcbfc16a1ee7a878904e52f31b74ae3a9ca90576418589b
ripemd-160 2712119bc31502cbc4679cc76cc71a4aa4e7f669

128488976 as geometric shapes

Circle

Radius = n
Diameter 256977952
Circumference 807320046.13775
Area 5.1865863016256E+16

Sphere

Radius = n
Volume 8.8855888377534E+24
Surface area 2.0746345206502E+17
Circumference 807320046.13775

Square

Length = n
Perimeter 513955904
Area 16509416953528576
Diagonal 181710852.47463

Cube

Length = n
Surface area 99056501721171456
Volume 2.1212780787159E+24
Space diagonal 222549434.6445

Equilateral Triangle

Length = n
Perimeter 385466928
Area 7.1487872417126E+15
Altitude 111274717.32225

Triangular Pyramid

Length = n
Surface area 7.1487872417126E+15
Volume 2.499950190404E+23
Height 60570284.15821