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.
545 has 4 divisors, whose sum is 660
The reverse of 545 is 545
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 14
Digital Root 5
Name
five hundred forty-five
Scientific notation
5.45 × 10^2
Engineering notation
5.45 × 10^0
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.
10 , 3 , 56 , 57 , 460 , 26 , 8488 , 2319 , 83830 , 3596 , 432950 , 857931 , 2527494 , 6763272 , 98631354 , 42806021 , 425918277 , 554860646 , 3260901487 , 4393368367
n×2
1090
n×3
1635
n×4
2180
n×5
2725
n÷2
272.5
n÷3
181.66666666667
n÷3
136.25
n÷5
109
n2
297025
n3
161878625
n4
88223850625
n5
48081998590625
2 √n
23.345235059858
3 √n
8.1683091703038
4 √n
4.8316907040763
5 √n
3.5259755823828
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
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
md5
647bba344396e7c8170902bcf2e15551
sha1
9741f79aca77af5b5793817bd36737360dcb0a29
sha256
68e476b5d5aeca7b0e3b5ca867106c32e40cad05a490f6b08a24063cceed7e7e
sha512
c1e61fd4051516ff61658233e827882ced93280231654f0a93d9d4b9f41fcaebdab7f00461386948e7bfc6d82ea8363c48468b387e5639658a7176cefb9de4aa
ripemd-160
2639664ae5bda95af7fe7d71100ffac5fb99e648
Diameter
1090
Circumference
3424.3359924129
Area
933131.55793251
Volume
678075598.76429
Surface area
3732526.23173
Circumference
3424.3359924129
Perimeter
2180
Area
297025
Diagonal
770.74639149334
Surface area
1782150
Volume
161878625
Space diagonal
943.96769012504
Perimeter
1635
Area
128615.59777954
Altitude
471.98384506252
Surface area
128615.59777954
Volume
19077578.911109
Height
256.91546383111