128336721 (number)

128336721 is an odd 9-digits composite number following 128336720 and preceding 128336722. In scientific notation, it is written as 1.28336721 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 85530720 positive integers (up to 128336721) that are relatively prime to 128336721.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred thirty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.28336721 × 10^8
Engineering notation 1.28336721 × 10^6

Prime Factorization of 128336721

Prime Factorization 3 × 5011 × 8537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128336721
Product of the distinct prime numbers

The prime factorization of 128336721 is 3 × 5011 × 8537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 11, 94, 604, 244, 4012, 7315, 56514, 90997, 109707, 754786, 4545081, 1747373, 50746526, 77281352, 284087760, 25914436, 3923297551, 3507963749

Basic calculations (n = 128336721)

Multiplication

n×y
n×2 256673442
n×3 385010163
n×4 513346884
n×5 641683605

Division

n÷y
n÷2 64168360.5
n÷3 42778907
n÷3 32084180.25
n÷5 25667344.2

Exponentiation

ny
n2 16470313957031841
n3 2.113746087086E+24
n4 2.712712418432E+32
n5 3.4814061679754E+40

Nth Root

y√n
2√n 11328.579831559
3√n 504.40995163541
4√n 106.4358014559
5√n 41.84756453446

Divisors of 128336721

1, 3, 5011, 8537, 15033, 25611, 42778907, 128336721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128336720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128336721 can be divided by 8 positive divisors. The sum of these divisors (counting 128336721) is 1, the average is 0.125.

Base conversion 128336721

Base System Value
2 Binary 111101001100100001101010001
3 Ternary 22221111011212220
4 Quaternary 13221210031101
5 Quinary 230323233341
6 Senary 20422411253
8 Octal 751441521
10 Decimal 128336721
12 Duodecimal 36b90b29
16 Hexadecimal 7a64351
20 Vigesimal 20221g1
36 Base36 24ep8x

Cryptographic Hash Functions

md5 32a6e5ef2a4ef9dc12a71ea71abc884e
sha1 92e7f86c81ffb264541901740b39c3befdaabd13
sha256 1ad8de11ae08b2ecf7f9ded9d1d5fe529b2c0b33b3113d30f773cd25b9318e8d
sha512 c2722d4914dec5787087ebc31b9164e42a0f283184bb9e2346ca44b4b86ca2366456dce114d6392033faf96885a7d55b6646fd88569615f8800b6526fdf1f0f9
ripemd-160 48fb4f009846d90a25257edcd5fe0c6b07452ceb

128336721 as geometric shapes

Circle

Radius = n
Diameter 256673442
Circumference 806363399.75881
Area 5.1743017329729E+16

Sphere

Radius = n
Volume 8.8540389049914E+24
Surface area 2.0697206931891E+17
Circumference 806363399.75881

Square

Length = n
Perimeter 513346884
Area 16470313957031841
Diagonal 181495531.38869

Cube

Length = n
Surface area 98821883742191046
Volume 2.113746087086E+24
Space diagonal 222285721.24879

Equilateral Triangle

Length = n
Perimeter 385010163
Area 7.1318551475475E+15
Altitude 111142860.6244

Triangular Pyramid

Length = n
Surface area 7.1318551475475E+15
Volume 2.4910736531417E+23
Height 60498510.462897