64752721 is an odd 8-digits composite number following 64752720
and preceding 64752722 . In scientific notation, it is written as 6.4752721 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 58866100 positive integers (up to 64752721) that are relatively prime to 64752721.
64752721 has 4 divisors, whose sum is 70639344
The reverse of 64752721 is 12725746
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-four million seven hundred fifty-two thousand seven hundred twenty-one
Scientific notation
6.4752721 × 10^7
Engineering notation
6.4752721 × 10^6
Prime Factorization
11 × 5886611
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64752721
Product of the distinct prime numbers
The prime factorization of 64752721 is 11 × 5886611.
Since it has a total of 2 prime factors.
3 , 3 , 77 , 45 , 858 , 834 , 6138 , 4085 , 37226 , 96159 , 447765 , 967371 , 9709159 , 8668207 , 21637376 , 36116460 , 685510786 , 835608180 , 4291203574 , 2408899505
n×2
129505442
n×3
194258163
n×4
259010884
n×5
323763605
n÷2
32376360.5
n÷3
21584240.333333
n÷3
16188180.25
n÷5
12950544.2
n2
4192914876903841
n3
2.715026472009E+23
n4
1.7580535164962E+31
n5
1.1383874885674E+39
2 √n
8046.9075426526
3 √n
401.56206072514
4 √n
89.704556978186
5 √n
36.496532503275
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64752720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64752721 can be divided by 4 positive divisors.
The sum of these divisors (counting 64752721) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110111000000110001010001
3
Ternary
11111211210000221
4
Quaternary
3313000301101
5
Quinary
113034041341
6
Senary
10231513041
8
Octal
367006121
10
Decimal
64752721
12
Duodecimal
19828781
16
Hexadecimal
3dc0c51
20
Vigesimal
104e1g1
36
Base36
12jvip
md5
482aa8e511131c571a842f5a9df2e75a
sha1
603b09975afc0a9d98b0c14fa84824e14c924fa5
sha256
75ba5a3ccfa3f1e19a731bf4506fb93015596a2af61351cb6e4bbb29cc2657e6
sha512
db9af43be573d5b2e198593d8c16150ae8ac497ce9b85990279c4141615eb37ff2cb1b4e312396901dd8489cc6c61317ca4d6748896dbdccb2ad481f8fe182c4
ripemd-160
275cc07a051fc96b520af388a82c75772f7ae878
Diameter
129505442
Circumference
406853345.1871
Area
1.3172430574408E+16
Volume
1.1372676291687E+24
Surface area
5.2689722297634E+16
Circumference
406853345.1871
Perimeter
259010884
Area
4192914876903841
Diagonal
91574176.238761
Surface area
25157489261423046
Volume
2.715026472009E+23
Space diagonal
112155002.70033
Perimeter
194258163
Area
1.8155853996522E+15
Altitude
56077501.350166
Surface area
1.8155853996522E+15
Volume
3.199689382431E+22
Height
30524725.41292