128265 (number)

128265 is an odd 6-digits composite number following 128264 and preceding 128266. In scientific notation, it is written as 1.28265 × 10^5. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 64256 positive integers (up to 128265) that are relatively prime to 128265.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand two hundred sixty-five

Notation

Scientific notation 1.28265 × 10^5
Engineering notation 1.28265 × 10^3

Prime Factorization of 128265

Prime Factorization 5 × 3 × 17 × 503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128265
Product of the distinct prime numbers

The prime factorization of 128265 is 5 × 3 × 17 × 503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128265)

Multiplication

n×y
n×2 256530
n×3 384795
n×4 513060
n×5 641325

Division

n÷y
n÷2 64132.5
n÷3 42755
n÷3 32066.25
n÷5 25653

Exponentiation

ny
n2 16451910225
n3 2110204265009625
n4 2.7066535005146E+20
n5 3.471689112435E+25

Nth Root

y√n
2√n 358.14103367249
3√n 50.431597092829
4√n 18.924614492044
5√n 10.510457806261

Divisors of 128265

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128264
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128265 can be divided by 16 positive divisors. The sum of these divisors (counting 128265) is 1, the average is 0.0625.

Base conversion 128265

Base System Value
2 Binary 11111010100001001
3 Ternary 20111221120
4 Quaternary 133110021
5 Quinary 13101030
6 Senary 2425453
8 Octal 372411
10 Decimal 128265
12 Duodecimal 62289
16 Hexadecimal 1f509
20 Vigesimal g0d5
36 Base36 2qyx

Cryptographic Hash Functions

md5 6f20d0a2672387f007329176e56e6347
sha1 14f04d746f79c6e58db86e5c1bbbbf0a980c24cb
sha256 9b147aa82e95c328811abc4b82f8f8377e2cbacd1147db05b7cce3fbe0ec206a
sha512 a64fc30d6ad152714ff8ac4efad1002f67fda0a8d48c8153a68133a4cebb27d0248042db1b5b0113cc41d53bbd50220d331179483b3cdfa7a25962a020d9ece3
ripemd-160 8ee276d3c98884df85905b146ce99294129682c2

128265 as geometric shapes

Circle

Radius = n
Diameter 256530
Circumference 805912.76342539
Area 51685200300.379

Sphere

Radius = n
Volume 8.8392029553708E+15
Surface area 206740801201.52
Circumference 805912.76342539

Square

Length = n
Perimeter 513060
Area 16451910225
Diagonal 181394.10257779

Cube

Length = n
Surface area 98711461350
Volume 2110204265009625
Space diagonal 222161.49683282

Equilateral Triangle

Length = n
Perimeter 384795
Area 7123886097.8155
Altitude 111080.74841641

Triangular Pyramid

Length = n
Surface area 7123886097.8155
Volume 2.4868995757951E+14
Height 60464.700859262