128668840 (number)

128668840 is an even 9-digits composite number following 128668839 and preceding 128668841. In scientific notation, it is written as 1.28668840 × 10^8. The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors. There are 51397632 positive integers (up to 128668840) that are relatively prime to 128668840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28668840 × 10^8
Engineering notation 1.28668840 × 10^6

Prime Factorization of 128668840

Prime Factorization 2 × 2 × 2 × 5 × 937 × 3433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32167210
Product of the distinct prime numbers

The prime factorization of 128668840 is 2 × 2 × 2 × 5 × 937 × 3433. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 10, 54, 96, 740, 333, 6554, 750, 39940, 67426, 796455, 663037, 7137974, 8232409, 58992759, 42213639, 902604426, 476629528, 1523702822, 39246450

Basic calculations (n = 128668840)

Multiplication

n×y
n×2 257337680
n×3 386006520
n×4 514675360
n×5 643344200

Division

n÷y
n÷2 64334420
n÷3 42889613.333333
n÷3 32167210
n÷5 25733768

Exponentiation

ny
n2 16555670386945600
n3 2.1301989041106E+24
n4 2.7409022196119E+32
n5 3.5266870915089E+40

Nth Root

y√n
2√n 11343.228817228
3√n 504.84469295366
4√n 106.50459528691
5√n 41.869201376346

Divisors of 128668840

1, 2, 4, 5, 8, 10, 20, 40, 937, 1874, 3433, 3748, 4685, 6866, 7496, 9370, 13732, 17165, 18740, 27464, 34330, 37480, 68660, 137320, 3216721, 6433442, 12866884, 16083605, 25733768, 32167210, 64334420, 128668840

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 -128668839
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 128668840 can be divided by 32 positive divisors. The sum of these divisors (counting 128668840) is 1, the average is 0.03125.

Base conversion 128668840

Base System Value
2 Binary 111101010110101010010101000
3 Ternary 22222010001110121
4 Quaternary 13222311102220
5 Quinary 230414400330
6 Senary 20433453024
8 Octal 752652250
10 Decimal 128668840
12 Duodecimal 37111174
16 Hexadecimal 7ab54a8
20 Vigesimal 2043c20
36 Base36 24ltig

Cryptographic Hash Functions

md5 0d170492534326fd1117f7bee8b7adc7
sha1 71ad9fc35f487c0c9ea3e587998bd6a758d10470
sha256 d58a5f47d196fd6b22e96a8315e5bc049be2e0c99816e97e9a50d59d1a100cdf
sha512 3f1a9fa6955c52d3e3ceb4cb3d85a281974ce76c40529cdeecc36fce822d29d8874a4418bd7990f4fd1de16bbc5be151cbd0085ab3b774fefdffb05455f45d4d
ripemd-160 940493cc19b17d433d2e636ef9871d3833fd657c

128668840 as geometric shapes

Circle

Radius = n
Diameter 257337680
Circumference 808450164.97984
Area 5.2011172462882E+16

Sphere

Radius = n
Volume 8.9229563037854E+24
Surface area 2.0804468985153E+17
Circumference 808450164.97984

Square

Length = n
Perimeter 514675360
Area 16555670386945600
Diagonal 181965218.58281

Cube

Length = n
Surface area 99334022321673600
Volume 2.1301989041106E+24
Space diagonal 222860968.23095

Equilateral Triangle

Length = n
Perimeter 386006520
Area 7.1688155658883E+15
Altitude 111430484.11548

Triangular Pyramid

Length = n
Surface area 7.1688155658883E+15
Volume 2.5104634839546E+23
Height 60655072.860938