1045 (number)

1045 is an odd 4-digits composite number following 1044 and preceding 1046. In scientific notation, it is written as 1.045 × 10^3. The sum of its digits is 10. It has a total of 3 prime factors and 8 positive divisors. There are 720 positive integers (up to 1045) that are relatively prime to 1045.

Interesting facts

Basic properties

Name

Name one thousand forty-five

Notation

Scientific notation 1.045 × 10^3
Engineering notation 1.045 × 10^3

Prime Factorization of 1045

Prime Factorization 5 × 19 × 11

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1045
Product of the distinct prime numbers

The prime factorization of 1045 is 5 × 19 × 11. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1045)

Multiplication

n×y
n×2 2090
n×3 3135
n×4 4180
n×5 5225

Division

n÷y
n÷2 522.5
n÷3 348.33333333333
n÷3 261.25
n÷5 209

Exponentiation

ny
n2 1092025
n3 1141166125
n4 1192518600625
n5 1246181937653125

Nth Root

y√n
2√n 32.326459750489
3√n 10.147804616307
4√n 5.6856362661086
5√n 4.0162733000683

Divisors of 1045

1, 5, 11, 19, 55, 95, 209, 1045

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 -1044
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 1045 can be divided by 8 positive divisors. The sum of these divisors (counting 1045) is 1, the average is 0.125.

Base conversion 1045

Base System Value
2 Binary 10000010101
3 Ternary 1102201
4 Quaternary 100111
5 Quinary 13140
6 Senary 4501
8 Octal 2025
10 Decimal 1045
12 Duodecimal 731
16 Hexadecimal 415
20 Vigesimal 2c5
36 Base36 t1

Cryptographic Hash Functions

md5 a0e2a2c563d57df27213ede1ac4ac780
sha1 ef9cb1abfdb1d45bb08bd2742f179591c8266187
sha256 40794500a2845c943a0f4910461d9c39868a2930f689d2dfa9659625aa7a15cc
sha512 8f84397ce099222a827657b1564c4607ff2c4ca25ad9c1045f9d19e5cea49699202edf79fa5757211a3c0d05f4b072197174d7c358f1b9280f66c41b79c2eaa1
ripemd-160 fe8087b992f3165f230b3e0513c2e4d47cecc790

1045 as geometric shapes

Circle

Radius = n
Diameter 2090
Circumference 6565.9286460027
Area 3430697.7175364

Sphere

Radius = n
Volume 4780105486.434
Surface area 13722790.870146
Circumference 6565.9286460027

Square

Length = n
Perimeter 4180
Area 1092025
Diagonal 1477.8531726799

Cube

Length = n
Surface area 6552150
Volume 1141166125
Space diagonal 1809.9930939095

Equilateral Triangle

Length = n
Perimeter 3135
Area 472860.69578385
Altitude 904.99654695474

Triangular Pyramid

Length = n
Surface area 472860.69578385
Volume 134487717.57465
Height 492.61772422663