128538784 (number)

128538784 is an even 9-digits composite number following 128538783 and preceding 128538785. In scientific notation, it is written as 1.28538784 × 10^8. The sum of its digits is 46. It has a total of 9 prime factors and 72 positive divisors. There are 57615360 positive integers (up to 128538784) that are relatively prime to 128538784.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred thirty-eight thousand seven hundred eighty-four

Notation

Scientific notation 1.28538784 × 10^8
Engineering notation 1.28538784 × 10^6

Prime Factorization of 128538784

Prime Factorization 2 × 2 × 2 × 2 × 2 × 11 × 11 × 89 × 373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 730334
Product of the distinct prime numbers

The prime factorization of 128538784 is 2 × 2 × 2 × 2 × 2 × 11 × 11 × 89 × 373. Since it has a total of 9 prime factors.

Most popular turbo-numbers

4, 3, 4, 36, 964, 598, 9466, 1253, 5525, 72473, 656302, 223750, 8633373, 7083587, 9792660, 86878885, 117000909, 229993354, 5377926078, 819813847

Basic calculations (n = 128538784)

Multiplication

n×y
n×2 257077568
n×3 385616352
n×4 514155136
n×5 642693920

Division

n÷y
n÷2 64269392
n÷3 42846261.333333
n÷3 32134696
n÷5 25707756.8

Exponentiation

ny
n2 16522218992198656
n3 2.1237459382389E+24
n4 2.7298372042617E+32
n5 3.5088995475376E+40

Nth Root

y√n
2√n 11337.494608598
3√n 504.67453982828
4√n 106.47767187819
5√n 41.860733834696

Divisors of 128538784

1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 89, 121, 176, 178, 242, 352, 356, 373, 484, 712, 746, 968, 979, 1424, 1492, 1936, 1958, 2848, 2984, 3872, 3916, 4103, 5968, 7832, 8206, 10769, 11936, 15664, 16412, 21538, 31328, 32824, 33197, 43076, 45133, 65648, 66394, 86152, 90266, 131296, 132788, 172304, 180532, 265576, 344608, 361064, 365167, 531152, 722128, 730334, 1062304, 1444256, 1460668, 2921336, 4016837, 5842672, 8033674, 11685344, 16067348, 32134696, 64269392, 128538784

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128538783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128538784 can be divided by 72 positive divisors. The sum of these divisors (counting 128538784) is 1, the average is 0.013888888888889.

Base conversion 128538784

Base System Value
2 Binary 111101010010101100010100000
3 Ternary 22221212110001201
4 Quaternary 13222111202200
5 Quinary 230401220114
6 Senary 20431010544
8 Octal 752254240
10 Decimal 128538784
12 Duodecimal 37069a54
16 Hexadecimal 7a958a0
20 Vigesimal 20376j4
36 Base36 24j15s

Cryptographic Hash Functions

md5 9682502043e3666870e1e5b58d32ddb8
sha1 bf85e95bf3602ea2c6dcf0122610ab2b5bd62b9f
sha256 a453f316007b5d2c7d9e2a9ef3d3f615f224b7c8db7ab1b8301898c95d0a2ba7
sha512 7e39b8d5af84e345fa17e4d1e7e1f4399cd586a9aefa0e35829e38fca16d047a539ff57b47504c111faf7a3a29771c443e7f7b7e1c76dc0726f3f266e5af99dc
ripemd-160 1ca22f2f5d15d60787602e2b401e4e4fffaf273a

128538784 as geometric shapes

Circle

Radius = n
Diameter 257077568
Circumference 807632999.03153
Area 5.1906081806893E+16

Sphere

Radius = n
Volume 8.8959261835501E+24
Surface area 2.0762432722757E+17
Circumference 807632999.03153

Square

Length = n
Perimeter 514155136
Area 16522218992198656
Diagonal 181781291.62375

Cube

Length = n
Surface area 99133313953191936
Volume 2.1237459382389E+24
Space diagonal 222635704.63112

Equilateral Triangle

Length = n
Perimeter 385616352
Area 7.1543306870669E+15
Altitude 111317852.31556

Triangular Pyramid

Length = n
Surface area 7.1543306870669E+15
Volume 2.5028585907435E+23
Height 60593763.874582