64663721 is an odd 8-digits composite number following 64663720
and preceding 64663722 . In scientific notation, it is written as 6.4663721 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 63603600 positive integers (up to 64663721) that are relatively prime to 64663721.
64663721 has 4 divisors, whose sum is 65723844
The reverse of 64663721 is 12736646
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixty-four million six hundred sixty-three thousand seven hundred twenty-one
Scientific notation
6.4663721 × 10^7
Engineering notation
6.4663721 × 10^6
Prime Factorization
61 × 1060061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64663721
Product of the distinct prime numbers
The prime factorization of 64663721 is 61 × 1060061.
Since it has a total of 2 prime factors.
5 , 2 , 94 , 33 , 851 , 284 , 341 , 5641 , 75820 , 48885 , 609058 , 246812 , 1831177 , 8310476 , 12971472 , 61995316 , 461755779 , 724944740 , 2255748327 , 2765927137
n×2
129327442
n×3
193991163
n×4
258654884
n×5
323318605
n÷2
32331860.5
n÷3
21554573.666667
n÷3
16165930.25
n÷5
12932744.2
n2
4181396813565841
n3
2.7038467694271E+23
n4
1.7484079312499E+31
n5
1.1305856266053E+39
2 √n
8041.3755664065
3 √n
401.37799942592
4 √n
89.673717255428
5 √n
36.486494380954
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
-64663720
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 64663721 can be divided by 4 positive divisors.
The sum of these divisors (counting 64663721) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110110101011000010101001
3
Ternary
11111200020221122
4
Quaternary
3312223002221
5
Quinary
113023214341
6
Senary
10225545025
8
Octal
366530251
10
Decimal
64663721
12
Duodecimal
197a5175
16
Hexadecimal
3dab0a9
20
Vigesimal
1042j61
36
Base36
12hyuh
md5
30a5defa0f8c73b1161d37e38ce169de
sha1
546e7564db8cb3bc485905cffd8e7143a09fea8d
sha256
f97b4d1414325f02cab136730e566be62e83b1cfa7ed666a5fad373daa5931ee
sha512
1573bdebf3eb5f1174552c2095de3212fcf65c43d54effd83b53c8e681b99e70c1b792dfdda5f04d63889a4e165792c29a0403751400f4e4c4a2bf7aadf42c42
ripemd-160
0d432f9445f501de6f1837e1d3983ff82eebb4d7
Diameter
129327442
Circumference
406294141.69476
Area
1.3136245511242E+16
Volume
1.132584686302E+24
Surface area
5.2544982044969E+16
Circumference
406294141.69476
Perimeter
258654884
Area
4181396813565841
Diagonal
91448311.23171
Surface area
25088380881395046
Volume
2.7038467694271E+23
Space diagonal
112000850.17846
Perimeter
193991163
Area
1.8105979319257E+15
Altitude
56000425.089229
Surface area
1.8105979319257E+15
Volume
3.1865139765854E+22
Height
30482770.41057