128565768 (number)

128565768 is an even 9-digits composite number following 128565767 and preceding 128565769. In scientific notation, it is written as 1.28565768 × 10^8. The sum of its digits is 48. It has a total of 7 prime factors and 64 positive divisors. There are 40797504 positive integers (up to 128565768) that are relatively prime to 128565768.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28565768 × 10^8
Engineering notation 1.28565768 × 10^6

Prime Factorization of 128565768

Prime Factorization 2 × 2 × 2 × 3 × 23 × 283 × 823

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32141442
Product of the distinct prime numbers

The prime factorization of 128565768 is 2 × 2 × 2 × 3 × 23 × 283 × 823. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128565768)

Multiplication

n×y
n×2 257131536
n×3 385697304
n×4 514263072
n×5 642828840

Division

n÷y
n÷2 64282884
n÷3 42855256
n÷3 32141442
n÷5 25713153.6

Exponentiation

ny
n2 16529156701429824
n3 2.1250837257117E+24
n4 2.7321302126042E+32
n5 3.5125841905947E+40

Nth Root

y√n
2√n 11338.684579791
3√n 504.7098526071
4√n 106.48325962231
5√n 41.862491242331

Divisors of 128565768

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 -128565767
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 128565768 can be divided by 64 positive divisors. The sum of these divisors (counting 128565768) is 1, the average is 0.015625.

Base conversion 128565768

Base System Value
2 Binary 111101010011100001000001000
3 Ternary 22221220211002010
4 Quaternary 13222130020020
5 Quinary 230403101033
6 Senary 20431335520
8 Octal 752341010
10 Decimal 128565768
12 Duodecimal 370815a0
16 Hexadecimal 7a9c208
20 Vigesimal 203ae88
36 Base36 24jlzc

Cryptographic Hash Functions

md5 6a6558440058f0ef730980dcf768b6f9
sha1 a055d5cfd8c4e29c514c46fd45bee3bb53893706
sha256 327a2cdfe490916c8c3b64dc470e568c40a13d0bfe5b5747bc1eacb253206397
sha512 455d6d4372f141c27a890fd041a169b5baad83942e2cacb792ecab9fbcf9d03241696988853dbd0be18adaa0e0bc4d7547cc4ff5f17f74be83563f0f3079036c
ripemd-160 9afe10523e8cfc15e30c70a3385c3cd2fc7ba633

128565768 as geometric shapes

Circle

Radius = n
Diameter 257131536
Circumference 807802544.50386
Area 5.1927877263246E+16

Sphere

Radius = n
Volume 8.901529894612E+24
Surface area 2.0771150905299E+17
Circumference 807802544.50386

Square

Length = n
Perimeter 514263072
Area 16529156701429824
Diagonal 181819452.76251

Cube

Length = n
Surface area 99174940208578944
Volume 2.1250837257117E+24
Space diagonal 222682442.29011

Equilateral Triangle

Length = n
Perimeter 385697304
Area 7.157334803286E+15
Altitude 111341221.14506

Triangular Pyramid

Length = n
Surface area 7.157334803286E+15
Volume 2.5044351883998E+23
Height 60606484.254171