65408021 is an odd 8-digits composite number following 65408020
and preceding 65408022 . In scientific notation, it is written as 6.5408021 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 51773568 positive integers (up to 65408021) that are relatively prime to 65408021.
65408021 has 8 divisors, whose sum is 68088600
The reverse of 65408021 is 12080456
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
sixty-five million four hundred eight thousand twenty-one
Scientific notation
6.5408021 × 10^7
Engineering notation
6.5408021 × 10^6
Prime Factorization
161 × 29 × 14009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
65408021
Product of the distinct prime numbers
The prime factorization of 65408021 is 161 × 29 × 14009.
Since it has a total of 3 prime factors.
3 , 10 , 57 , 84 , 623 , 401 , 7934 , 7243 , 67766 , 75558 , 549447 , 917568 , 5375905 , 1300219 , 17337878 , 95857796 , 128889469 , 450791493 , 7613433826 , 6626352606
n×2
130816042
n×3
196224063
n×4
261632084
n×5
327040105
n÷2
32704010.5
n÷3
21802673.666667
n÷3
16352005.25
n÷5
13081604.2
n2
4278209211136441
n3
2.7982919792441E+23
n4
1.8303074054253E+31
n5
1.1971678521051E+39
2 √n
8087.5225502004
3 √n
402.91212446077
4 √n
89.930654118606
5 √n
36.570104541789
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
-65408020
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 65408021 can be divided by 8 positive divisors.
The sum of these divisors (counting 65408021) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111001100000110000010101
3
Ternary
11120002001221022
4
Quaternary
3321200300111
5
Quinary
113221024041
6
Senary
10253530525
8
Octal
371406025
10
Decimal
65408021
12
Duodecimal
19aa3a45
16
Hexadecimal
3e60c15
20
Vigesimal
108g011
36
Base36
12xx5h
md5
91e8d06b9aa83c302dd2bd774829f0c6
sha1
152fbf242f62c6c23a0e3be667d0114e4437bd08
sha256
d3872399e58f365cdad26dc54205f2d2afdfe7f0363b4f8ff4cd5894d60eb98f
sha512
52d7cfc475c9f82c8a8d7764b65d45aae465eea83b69cfebd2f7d34f3a94572d6cc7d4daac10e0a32506db35db92c6993434910b11dfd94843fad80db7402f32
ripemd-160
2875b1937d40933ea9cf00d23f55ab89084dd560
Diameter
130816042
Circumference
410970716.51889
Area
1.3440390628226E+16
Volume
1.172145803279E+24
Surface area
5.3761562512906E+16
Circumference
410970716.51889
Perimeter
261632084
Area
4278209211136441
Diagonal
92500910.386184
Surface area
25669255266818646
Volume
2.7982919792441E+23
Space diagonal
113290015.59453
Perimeter
196224063
Area
1.8525189297744E+15
Altitude
56645007.797266
Surface area
1.8525189297744E+15
Volume
3.2978187237723E+22
Height
30833636.795395