1289 (number)

1289 is an odd 4-digits prime number following 1288 and preceding 1290. In scientific notation, it is written as 1.289 × 10^3. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 1288 positive integers (up to 1289) that are relatively prime to 1289.

Interesting facts

Basic properties

Name

Name one thousand two hundred eighty-nine

Notation

Scientific notation 1.289 × 10^3
Engineering notation 1.289 × 10^3

Prime Factorization of 1289

Prime Factorization 1289

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 1289
Product of the distinct prime numbers

The prime factorization of 1289 is 1289. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1289)

Multiplication

n×y
n×2 2578
n×3 3867
n×4 5156
n×5 6445

Division

n÷y
n÷2 644.5
n÷3 429.66666666667
n÷3 322.25
n÷5 257.8

Exponentiation

ny
n2 1661521
n3 2141700569
n4 2760652033441
n5 3558480471105449

Nth Root

y√n
2√n 35.902646142032
3√n 10.883058720464
4√n 5.9918816862512
5√n 4.1884234599503

Divisors of 1289

1, 1289

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 1290
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 645
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 35.916569992136
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9984496124031
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1289 can be divided by 2 positive divisors. The sum of these divisors (counting 1289) is 1290, the average is 645.

Base conversion 1289

Base System Value
2 Binary 10100001001
3 Ternary 1202202
4 Quaternary 110021
5 Quinary 20124
6 Senary 5545
8 Octal 2411
10 Decimal 1289
12 Duodecimal 8b5
16 Hexadecimal 509
20 Vigesimal 349
36 Base36 zt

Cryptographic Hash Functions

md5 0829424ffa0d3a2547b6c9622c77de03
sha1 e90e88c880e48e96024e634381ba1ad4888e72e0
sha256 0e0c8d9c5fa46e66bd8293289e410bbc9e35da10a211a4d5c3e0b64a373db54f
sha512 76ea2d21f71ef57a93591fbeb3d2a057641906b3f793caefbf960fc9981159f650dd7b2c4d6e18531fd22dd757ac2447935e31f4d5c75f0c2864cdfdc949da55
ripemd-160 c099ebb80074a4dbd01a389d0cfa930705898416

1289 as geometric shapes

Circle

Radius = n
Diameter 2578
Circumference 8099.0258609545
Area 5219822.1673852

Sphere

Radius = n
Volume 8971134365.0126
Surface area 20879288.669541
Circumference 8099.0258609545

Square

Length = n
Perimeter 5156
Area 1661521
Diagonal 1822.9212818989

Cube

Length = n
Surface area 9969126
Volume 2141700569
Space diagonal 2232.6134909563

Equilateral Triangle

Length = n
Perimeter 3867
Area 719459.69746066
Altitude 1116.3067454781

Triangular Pyramid

Length = n
Surface area 719459.69746066
Volume 252401832.60183
Height 607.64042729964