6545 is an odd 4-digits composite number following 6544
and preceding 6546 . In scientific notation, it is written as 6.545 × 10^3.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 3840 positive integers (up to 6545) that are relatively prime to 6545.
6545 has 8 divisors, whose sum is 9024
The reverse of 6545 is 5456
Previous prime number is 187
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 20
Digital Root 2
Name
six thousand five hundred forty-five
Scientific notation
6.545 × 10^3
Engineering notation
6.545 × 10^3
Prime Factorization
5 × 187 × 7
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6545
Product of the distinct prime numbers
The prime factorization of 6545 is 5 × 187 × 7.
Since it has a total of 3 prime factors.
6 , 1 , 49 , 30 , 166 , 992 , 997 , 201 , 38314 , 58664 , 434421 , 184784 , 9883636 , 8512457 , 70512617 , 10497392 , 475023805 , 567906494 , 8591314474 , 4896877180
n×2
13090
n×3
19635
n×4
26180
n×5
32725
n÷2
3272.5
n÷3
2181.6666666667
n÷3
1636.25
n÷5
1309
n2
42837025
n3
280368328625
n4
1835010710850625
n5
1.2010145102517E+19
2 √n
80.901174280724
3 √n
18.705524214619
4 √n
8.9945080065962
5 √n
5.7967147558431
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
-6544
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 6545 can be divided by 8 positive divisors.
The sum of these divisors (counting 6545) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110010001
3
Ternary
22222102
4
Quaternary
1212101
5
Quinary
202140
6
Senary
50145
8
Octal
14621
10
Decimal
6545
12
Duodecimal
3955
16
Hexadecimal
1991
20
Vigesimal
g75
36
Base36
51t
md5
cf77e1f8490495e9f8dedceaf372f969
sha1
c291d2cd05a205c5c3d53a086c701af3e7d28f44
sha256
983adc986531868a9ef48446fd07d5751982f6336ee073b10512d6568ad149e1
sha512
4ff8b427ed6f38cdeafa240d189f25495c9e0178db2f063a44ba1164391ecc0fc083dc8eaa719cdb942f7d578908a20df9f336088b46df0172e4752fcaa143d3
ripemd-160
66f0a4e38b34a24af604f17351e9fcb23ed5d5c6
Diameter
13090
Circumference
41123.44783549
Area
134576483.04164
Volume
1174404108676.7
Surface area
538305932.16657
Circumference
41123.44783549
Perimeter
26180
Area
42837025
Diagonal
9256.0277657319
Surface area
257022150
Volume
280368328625
Space diagonal
11336.272535538
Perimeter
19635
Area
18548975.936275
Altitude
5668.1362677692
Surface area
18548975.936275
Volume
33041724400.113
Height
3085.3425885773