128889768 (number)

128889768 is an even 9-digits composite number following 128889767 and preceding 128889769. In scientific notation, it is written as 1.28889768 × 10^8. The sum of its digits is 57. It has a total of 7 prime factors and 64 positive divisors. There are 34525440 positive integers (up to 128889768) that are relatively prime to 128889768.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred eighty-nine thousand seven hundred sixty-eight

Notation

Scientific notation 1.28889768 × 10^8
Engineering notation 1.28889768 × 10^6

Prime Factorization of 128889768

Prime Factorization 2 × 2 × 2 × 21 × 19 × 149 × 271

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32222442
Product of the distinct prime numbers

The prime factorization of 128889768 is 2 × 2 × 2 × 21 × 19 × 149 × 271. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128889768)

Multiplication

n×y
n×2 257779536
n×3 386669304
n×4 515559072
n×5 644448840

Division

n÷y
n÷2 64444884
n÷3 42963256
n÷3 32222442
n÷5 25777953.6

Exponentiation

ny
n2 16612572295093824
n3 2.1411905889979E+24
n4 2.7597755825972E+32
n5 3.5570683457302E+40

Nth Root

y√n
2√n 11352.962961271
3√n 505.13347189267
4√n 106.55028372215
5√n 41.883569629609

Divisors of 128889768

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128889767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128889768 can be divided by 64 positive divisors. The sum of these divisors (counting 128889768) is 1, the average is 0.015625.

Base conversion 128889768

Base System Value
2 Binary 111101011101011001110101000
3 Ternary 22222112021112010
4 Quaternary 13223223032220
5 Quinary 230443433033
6 Senary 20442315520
8 Octal 753531650
10 Decimal 128889768
12 Duodecimal 371b8ba0
16 Hexadecimal 7aeb3a8
20 Vigesimal 205b488
36 Base36 24qjzc

Cryptographic Hash Functions

md5 77373d1f98466ab4c2077f8af36be09a
sha1 70620446ebba69f659c8d968f8be3db52033a48a
sha256 5efb9718a4eae0172e24812bb17455b78085c1e0fd6274bcfe42d8886e6b60dd
sha512 cabd0f603c26bad02172f4de35ddc594a31cbc607c6aa017c9e6eeb212c8138b8a877b97c15f7859900938d2f862788cb9620d5a6e538aea2e992be439ccc32f
ripemd-160 be610b104bc99698cc2ac5860408e7cd81eecc93

128889768 as geometric shapes

Circle

Radius = n
Diameter 257779536
Circumference 809838296.54339
Area 5.2189935079496E+16

Sphere

Radius = n
Volume 8.9689981657751E+24
Surface area 2.0875974031798E+17
Circumference 809838296.54339

Square

Length = n
Perimeter 515559072
Area 16612572295093824
Diagonal 182277657.95672

Cube

Length = n
Surface area 99675433770562944
Volume 2.1411905889979E+24
Space diagonal 223243626.75177

Equilateral Triangle

Length = n
Perimeter 386669304
Area 7.1934548148784E+15
Altitude 111621813.37588

Triangular Pyramid

Length = n
Surface area 7.1934548148784E+15
Volume 2.523417308822E+23
Height 60759219.318907