65409890 is an even 8-digits composite number following 65409889
and preceding 65409891 . In scientific notation, it is written as 6.5409890 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 20700864 positive integers (up to 65409890) that are relatively prime to 65409890.
65409890 has 8 divisors, whose sum is 98331840
The reverse of 65409890 is 09890456
Previous prime number is 455
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-five million four hundred nine thousand eight hundred ninety
Scientific notation
6.5409890 × 10^7
Engineering notation
6.5409890 × 10^6
Prime Factorization
2 × 455 × 71879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
65409890
Product of the distinct prime numbers
The prime factorization of 65409890 is 2 × 455 × 71879.
Since it has a total of 3 prime factors.
2 , 5 , 44 , 57 , 641 , 285 , 4128 , 4718 , 17485 , 77578 , 743804 , 764645 , 4676271 , 5404652 , 52527250 , 35173293 , 36343909 , 563302478 , 8778214091 , 5409975359
n×2
130819780
n×3
196229670
n×4
261639560
n×5
327049450
n÷2
32704945
n÷3
21803296.666667
n÷3
16352472.5
n÷5
13081978
n2
4278453709812100
n3
2.798531865289E+23
n4
1.8305166147005E+31
n5
1.1973389041073E+39
2 √n
8087.638097739
3 √n
402.91596209198
4 √n
89.931296542077
5 √n
36.570313533723
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
-65409889
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 65409890 can be divided by 8 positive divisors.
The sum of these divisors (counting 65409890) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111001100001001101100010
3
Ternary
11120002011111112
4
Quaternary
3321201031202
5
Quinary
113221104030
6
Senary
10253543322
8
Octal
371411542
10
Decimal
65409890
12
Duodecimal
19aa4b42
16
Hexadecimal
3e61362
20
Vigesimal
108g4ea
36
Base36
12xyle
md5
fa48dbf8065b189e2986ec1021632411
sha1
2ae7f6e99707b63e046d6f961c7397c1bb50aabf
sha256
fe7175578cf7567a3aa999553c72808aea370f89ac1fac19ec103ac052420b37
sha512
e8d0e848f5367114a7f5e9eb548c82154eb737b9ffed57dd1959e852f418995341d88a944da550d63ab18b6aaff463b9e7295ec48762026c950422e964061ed1
ripemd-160
96b5026eb62a03dbf040d70260e14213c84a06e7
Diameter
130819780
Circumference
410982459.79223
Area
1.344115874347E+16
Volume
1.1722462865105E+24
Surface area
5.3764634973879E+16
Circumference
410982459.79223
Perimeter
261639560
Area
4278453709812100
Diagonal
92503553.551332
Surface area
25670722258872600
Volume
2.798531865289E+23
Space diagonal
113293252.79749
Perimeter
196229670
Area
1.8526248008065E+15
Altitude
56646626.398746
Surface area
1.8526248008065E+15
Volume
3.2981014321875E+22
Height
30834517.850444