65668749 is an odd 8-digits composite number following 65668748
and preceding 65668750 . In scientific notation, it is written as 6.5668749 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 41083328 positive integers (up to 65668749) that are relatively prime to 65668749.
65668749 has 16 divisors, whose sum is 93094272
The reverse of 65668749 is 94786656
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-five million six hundred sixty-eight thousand seven hundred forty-nine
Scientific notation
6.5668749 × 10^7
Engineering notation
6.5668749 × 10^6
Prime Factorization
3 × 23 × 53 × 17957
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65668749
Product of the distinct prime numbers
The prime factorization of 65668749 is 3 × 23 × 53 × 17957.
Since it has a total of 4 prime factors.
9 , 10 , 46 , 77 , 3 , 856 , 810 , 8049 , 84557 , 33992 , 802525 , 203602 , 3103156 , 8962555 , 46368082 , 5753139 , 484031661 , 386542595 , 1065733661 , 273628395
n×2
131337498
n×3
197006247
n×4
262674996
n×5
328343745
n÷2
32834374.5
n÷3
21889583
n÷3
16417187.25
n÷5
13133749.8
n2
4312384595225001
n3
2.831889015753E+23
n4
1.8596660897134E+31
n5
1.221219456692E+39
2 √n
8103.6256700319
3 √n
403.44677447153
4 √n
90.020140357766
5 √n
36.59921315351
1 , 3 , 23 , 53 , 69 , 159 , 1219 , 3657 , 17957 , 53871 , 413011 , 951721 , 1239033 , 2855163 , 21889583 , 65668749
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65668748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65668749 can be divided by 16 positive divisors.
The sum of these divisors (counting 65668749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111010100000011010001101
3
Ternary
11120120022120220
4
Quaternary
3322200122031
5
Quinary
113302344444
6
Senary
10303301553
8
Octal
372403215
10
Decimal
65668749
12
Duodecimal
19baa8b9
16
Hexadecimal
3ea068d
20
Vigesimal
10a8bh9
36
Base36
133ibx
md5
8b7bedc171e8f32cb72b07ca42a37f8f
sha1
de50076625adf62f85dd7276bca392a77c2bb3c6
sha256
0d8fe7843353da623eee6e05ba65ad31e46eef79e324fa996d7765295100ebbe
sha512
36e877ccad4193d2f156f29cc2fa7758d91491c72991c493a56244f6546bc6c173dc131196597e6dc08add163047ebcc8da8f5ae8ff45e2d97a858014c0b0a2d
ripemd-160
9cb0bde21ca5bbbaa2cfd5d472693d2a2f2ee448
Diameter
131337498
Circumference
412608918.85766
Area
1.3547755763813E+16
Volume
1.1862188970228E+24
Surface area
5.4191023055251E+16
Circumference
412608918.85766
Perimeter
262674996
Area
4312384595225001
Diagonal
92869635.459875
Surface area
25874307571350006
Volume
2.831889015753E+23
Space diagonal
113741609.73749
Perimeter
197006247
Area
1.8673173051768E+15
Altitude
56870804.868744
Surface area
1.8673173051768E+15
Volume
3.337413211011E+22
Height
30956545.153292