128668520 (number)

128668520 is an even 9-digits composite number following 128668519 and preceding 128668521. In scientific notation, it is written as 1.28668520 × 10^8. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 50622720 positive integers (up to 128668520) that are relatively prime to 128668520.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred sixty-eight thousand five hundred twenty

Notation

Scientific notation 1.28668520 × 10^8
Engineering notation 1.28668520 × 10^6

Prime Factorization of 128668520

Prime Factorization 2 × 2 × 2 × 5 × 61 × 52733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32167130
Product of the distinct prime numbers

The prime factorization of 128668520 is 2 × 2 × 2 × 5 × 61 × 52733. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 4, 1, 47, 168, 801, 5861, 486, 69151, 5156, 101122, 751801, 6525424, 8855263, 37116320, 14418450, 172412057, 361589091, 537167201, 6799580157

Basic calculations (n = 128668520)

Multiplication

n×y
n×2 257337040
n×3 386005560
n×4 514674080
n×5 643342600

Division

n÷y
n÷2 64334260
n÷3 42889506.666667
n÷3 32167130
n÷5 25733704

Exponentiation

ny
n2 16555588038990400
n3 2.1301830107066E+24
n4 2.7408749531676E+32
n5 3.5266432372915E+40

Nth Root

y√n
2√n 11343.214711888
3√n 504.84427443629
4√n 106.50452906749
5√n 41.869180550546

Divisors of 128668520

1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 52733, 105466, 210932, 263665, 421864, 527330, 1054660, 2109320, 3216713, 6433426, 12866852, 16083565, 25733704, 32167130, 64334260, 128668520

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 -128668519
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 128668520 can be divided by 32 positive divisors. The sum of these divisors (counting 128668520) is 1, the average is 0.03125.

Base conversion 128668520

Base System Value
2 Binary 111101010110101001101101000
3 Ternary 22222010001000202
4 Quaternary 13222311031220
5 Quinary 230414343040
6 Senary 20433451332
8 Octal 752651550
10 Decimal 128668520
12 Duodecimal 37110b48
16 Hexadecimal 7ab5368
20 Vigesimal 2043b60
36 Base36 24lt9k

Cryptographic Hash Functions

md5 ad914d50e72b89686dbc70da1b38f425
sha1 11572ce9e5f0bf64018522ecf09c859592d03753
sha256 b06ef039c5c83bfaa1c2c0634fd9800f88f29099c0671ff8c764b44872ac3219
sha512 2c5cf89d6a26b29dc90bf59c2eeb4f1019e146e375cf4805c77fef1dc7c901ebbeb2f55f7ad94d526c338f11ae7d54b9b09e404ebda7e33cc3dae95d86ef764d
ripemd-160 65b41e76b6df4c4ee9fe88db3dd94a9cd3517bc6

128668520 as geometric shapes

Circle

Radius = n
Diameter 257337040
Circumference 808448154.36054
Area 5.2010913759151E+16

Sphere

Radius = n
Volume 8.9228897296502E+24
Surface area 2.0804365503661E+17
Circumference 808448154.36054

Square

Length = n
Perimeter 514674080
Area 16555588038990400
Diagonal 181964766.03447

Cube

Length = n
Surface area 99333528233942400
Volume 2.1301830107066E+24
Space diagonal 222860413.97469

Equilateral Triangle

Length = n
Perimeter 386005560
Area 7.1687799081777E+15
Altitude 111430206.98735

Triangular Pyramid

Length = n
Surface area 7.1687799081777E+15
Volume 2.5104447533984E+23
Height 60654922.011491