1285128 (number)

1285128 is an even 7-digits composite number following 1285127 and preceding 1285129. In scientific notation, it is written as 1.285128 × 10^6. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 395136 positive integers (up to 1285128) that are relatively prime to 1285128.

Interesting facts

Basic properties

Name

Name one million two hundred eighty-five thousand one hundred twenty-eight

Notation

Scientific notation 1.285128 × 10^6
Engineering notation 1.285128 × 10^6

Prime Factorization of 1285128

Prime Factorization 2 × 2 × 2 × 9 × 13 × 1373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 321282
Product of the distinct prime numbers

The prime factorization of 1285128 is 2 × 2 × 2 × 9 × 13 × 1373. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 6, 76, 99, 817, 577, 2120, 9764, 25159, 74612, 369483, 423805, 5603527, 2184387, 6888236, 21612417, 748258644, 961677276, 5485043881, 1162841963

Basic calculations (n = 1285128)

Multiplication

n×y
n×2 2570256
n×3 3855384
n×4 5140512
n×5 6425640

Division

n÷y
n÷2 642564
n÷3 428376
n÷3 321282
n÷5 257025.6

Exponentiation

ny
n2 1651553976384
n3 2122458258562417152
n4 2.7276305369098E+24
n5 3.5053543766378E+30

Nth Root

y√n
2√n 1133.6348618493
3√n 108.7215066057
4√n 33.669494529162
5√n 16.664384484416

Divisors of 1285128

1, 2, 4, 8, 9, 13, 18, 26, 36, 52, 72, 104, 117, 234, 468, 936, 1373, 2746, 5492, 10984, 12357, 17849, 24714, 35698, 49428, 71396, 98856, 142792, 160641, 321282, 642564, 1285128

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 -1285127
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 1285128 can be divided by 32 positive divisors. The sum of these divisors (counting 1285128) is 1, the average is 0.03125.

Base conversion 1285128

Base System Value
2 Binary 100111001110000001000
3 Ternary 2102021212100
4 Quaternary 10321300020
5 Quinary 312111003
6 Senary 43313400
8 Octal 4716010
10 Decimal 1285128
12 Duodecimal 51b860
16 Hexadecimal 139c08
20 Vigesimal 80cg8
36 Base36 rjm0

Cryptographic Hash Functions

md5 6c79956420318fcdc84f7f0498824be5
sha1 b07eb125a76d9cd96a4b1e641aa2ce9099f82afd
sha256 dba29e6222e094c2b7626b60258b6700a57117061cbe241a0639ba3ec8c20e0f
sha512 954f0bd029c55db35a286724f4edf2aa5bd6f0c8548f65797d234852530d8c6eaf1d4fb5a6c7f7b6ea6b935f5b0cf5ef283852dbd3a146c6ed54178f8797c8bf
ripemd-160 042aa9397beae0646c89238a80e39279ee67b7a4

1285128 as geometric shapes

Circle

Radius = n
Diameter 2570256
Circumference 8074697.3674451
Area 5188509839215

Sphere

Radius = n
Volume 8.8905323635342E+18
Surface area 20754039356860
Circumference 8074697.3674451

Square

Length = n
Perimeter 5140512
Area 1651553976384
Diagonal 1817445.4469854

Cube

Length = n
Surface area 9909323858304
Volume 2122458258562417152
Space diagonal 2225906.9902294

Equilateral Triangle

Length = n
Perimeter 3855384
Area 715143849634.87
Altitude 1112953.4951147

Triangular Pyramid

Length = n
Surface area 715143849634.87
Volume 2.5013410456915E+17
Height 605815.14899514