66491 is an odd 5-digits prime number following 66490
and preceding 66492 . In scientific notation, it is written as 6.6491 × 10^4.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 66490 positive integers (up to 66491) that are relatively prime to 66491.
66491 has 2 divisors, whose sum is 66492
The reverse of 66491 is 19466
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 26
Digital Root 8
Name
sixty-six thousand four hundred ninety-one
Scientific notation
6.6491 × 10^4
Engineering notation
6.6491 × 10^3
Prime Factorization
66491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66491
Product of the distinct prime numbers
The prime factorization of 66491 is 66491.
Since it has a total of 1 prime factors.
2 , 10 , 1 , 98 , 853 , 70 , 4860 , 518 , 44994 , 64 , 269709 , 688571 , 562710 , 5308608 , 28419645 , 67552035 , 323494433 , 60830626 , 2938428448 , 4388551794
n×2
132982
n×3
199473
n×4
265964
n×5
332455
n÷2
33245.5
n÷3
22163.666666667
n÷3
16622.75
n÷5
13298.2
n2
4421053081
n3
293960240408771
n4
1.954571034502E+19
n5
1.2996138265507E+24
2 √n
257.85848832257
3 √n
40.512367304711
4 √n
16.057972733897
5 √n
9.2162144760889
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33246
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
257.86042736333
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999699211935
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66491 can be divided by 2 positive divisors.
The sum of these divisors (counting 66491) is 66492, the average is 33246.
Base
System
Value
2
Binary
10000001110111011
3
Ternary
10101012122
4
Quaternary
100032323
5
Quinary
4111431
6
Senary
1231455
8
Octal
201673
10
Decimal
66491
12
Duodecimal
3258b
16
Hexadecimal
103bb
20
Vigesimal
864b
36
Base36
1faz
md5
a86ea301af0a9f217c89adede00f9b58
sha1
4b1b88d281f0246e2d703734c7a10f853aac65fe
sha256
1fb5e0928c1e5cd9d54f788f41f328516ac953b2aff937c0b819288408f7e34e
sha512
d7547a04f3849c0c808c29c98c20623664e2508b4a14301405b8cbca4ea63dec2df6ee5ab0163a8e5bef0ce478fd47fbd38720b7be4434991f5fb6a7754f0b0e
ripemd-160
309578efc5b551b63a73dde4ade01f6dcb7e226d
Diameter
132982
Circumference
417775.27425968
Area
13889147880.4
Volume
1.2313377756209E+15
Surface area
55556591521.6
Circumference
417775.27425968
Perimeter
265964
Area
4421053081
Diagonal
94032.473975749
Surface area
26526318486
Volume
293960240408771
Space diagonal
115165.79024606
Perimeter
199473
Area
1914372139.8127
Altitude
57582.895123031
Surface area
1914372139.8127
Volume
34643546565378
Height
31344.157991916