545 (number)

545 is an odd 3-digits composite number following 544 and preceding 546. In scientific notation, it is written as 5.45 × 10^2. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 432 positive integers (up to 545) that are relatively prime to 545.

Interesting facts

Basic properties

Name

Name five hundred forty-five

Notation

Scientific notation 5.45 × 10^2
Engineering notation 5.45 × 10^0

Prime Factorization of 545

Prime Factorization 5 × 109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 545
Product of the distinct prime numbers

The prime factorization of 545 is 5 × 109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 545)

Multiplication

n×y
n×2 1090
n×3 1635
n×4 2180
n×5 2725

Division

n÷y
n÷2 272.5
n÷3 181.66666666667
n÷3 136.25
n÷5 109

Exponentiation

ny
n2 297025
n3 161878625
n4 88223850625
n5 48081998590625

Nth Root

y√n
2√n 23.345235059858
3√n 8.1683091703038
4√n 4.8316907040763
5√n 3.5259755823828

Divisors of 545

1, 5, 109, 545

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 545 can be divided by 4 positive divisors. The sum of these divisors (counting 545) is 1, the average is 0.25.

Base conversion 545

Base System Value
2 Binary 1000100001
3 Ternary 202012
4 Quaternary 20201
5 Quinary 4140
6 Senary 2305
8 Octal 1041
10 Decimal 545
12 Duodecimal 395
16 Hexadecimal 221
20 Vigesimal 175
36 Base36 f5

Cryptographic Hash Functions

md5 647bba344396e7c8170902bcf2e15551
sha1 9741f79aca77af5b5793817bd36737360dcb0a29
sha256 68e476b5d5aeca7b0e3b5ca867106c32e40cad05a490f6b08a24063cceed7e7e
sha512 c1e61fd4051516ff61658233e827882ced93280231654f0a93d9d4b9f41fcaebdab7f00461386948e7bfc6d82ea8363c48468b387e5639658a7176cefb9de4aa
ripemd-160 2639664ae5bda95af7fe7d71100ffac5fb99e648

545 as geometric shapes

Circle

Radius = n
Diameter 1090
Circumference 3424.3359924129
Area 933131.55793251

Sphere

Radius = n
Volume 678075598.76429
Surface area 3732526.23173
Circumference 3424.3359924129

Square

Length = n
Perimeter 2180
Area 297025
Diagonal 770.74639149334

Cube

Length = n
Surface area 1782150
Volume 161878625
Space diagonal 943.96769012504

Equilateral Triangle

Length = n
Perimeter 1635
Area 128615.59777954
Altitude 471.98384506252

Triangular Pyramid

Length = n
Surface area 128615.59777954
Volume 19077578.911109
Height 256.91546383111