64690784 is an even 8-digits composite number following 64690783
and preceding 64690785 . In scientific notation, it is written as 6.4690784 × 10^7.
The sum of its digits is 44. It has a total of 7 prime factors and 24 positive divisors.
There are 31555840 positive integers (up to 64690784) that are relatively prime to 64690784.
64690784 has 24 divisors, whose sum is 130468968
The reverse of 64690784 is 48709646
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-four million six hundred ninety thousand seven hundred eighty-four
Scientific notation
6.4690784 × 10^7
Engineering notation
6.4690784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 41 × 49307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
4043174
Product of the distinct prime numbers
The prime factorization of 64690784 is 2 × 2 × 2 × 2 × 2 × 41 × 49307.
Since it has a total of 7 prime factors.
5 , 9 , 40 , 62 , 393 , 774 , 6257 , 5288 , 84898 , 39823 , 692568 , 621864 , 9468378 , 4579202 , 44328036 , 18946997 , 554821958 , 490015589 , 2140675632 , 1532368075
n×2
129381568
n×3
194072352
n×4
258763136
n×5
323453920
n÷2
32345392
n÷3
21563594.666667
n÷3
16172696
n÷5
12938156.8
n2
4184897534534656
n3
2.7072430246871E+23
n4
1.7513367374554E+31
n5
1.1329534659399E+39
2 √n
8043.0581248677
3 √n
401.43398639767
4 √n
89.683098323305
5 √n
36.489547928507
1 , 2 , 4 , 8 , 16 , 32 , 41 , 82 , 164 , 328 , 656 , 1312 , 49307 , 98614 , 197228 , 394456 , 788912 , 1577824 , 2021587 , 4043174 , 8086348 , 16172696 , 32345392 , 64690784
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64690783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64690784 can be divided by 24 positive divisors.
The sum of these divisors (counting 64690784) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11110110110001101001100000
3
Ternary
11111201122001222
4
Quaternary
3312301221200
5
Quinary
113030101114
6
Senary
10230314212
8
Octal
366615140
10
Decimal
64690784
12
Duodecimal
197b8968
16
Hexadecimal
3db1a60
20
Vigesimal
10466j4
36
Base36
12ijq8
md5
8b57f142839518540dc5afd6203ee044
sha1
d328befc23e58e97d00c13d1a892d31c1c5b7a11
sha256
4c84d07ba0e684902166395f678392fc5ea49b7fcfa18adb6d25cb4845f1edcc
sha512
bc03f00bdb84ea04a0a1879a39f6c394f286997fd30b8d59f48cd6bda96b4cadbec1cf00f2b5f9bee7b12b75df1f02e8dfe625c4c20086eba0876bb738627696
ripemd-160
623830a6b6361a6374f4dd728ce4fda0cef02960
Diameter
129381568
Circumference
406464183.53873
Area
1.314724335052E+16
Volume
1.1340073063786E+24
Surface area
5.258897340208E+16
Circumference
406464183.53873
Perimeter
258763136
Area
4184897534534656
Diagonal
91486584.093348
Surface area
25109385207207936
Volume
2.7072430246871E+23
Space diagonal
112047724.66946
Perimeter
194072352
Area
1.8121137885709E+15
Altitude
56023862.334732
Surface area
1.8121137885709E+15
Volume
3.1905165017938E+22
Height
30495528.031116