66409815 is an odd 8-digits composite number following 66409814
and preceding 66409816 . In scientific notation, it is written as 6.6409815 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 35352576 positive integers (up to 66409815) that are relatively prime to 66409815.
66409815 has 16 divisors, whose sum is 106453728
The reverse of 66409815 is 51890466
Previous prime number is 577
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million four hundred nine thousand eight hundred fifteen
Scientific notation
6.6409815 × 10^7
Engineering notation
6.6409815 × 10^6
Prime Factorization
3 × 5 × 577 × 7673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66409815
Product of the distinct prime numbers
The prime factorization of 66409815 is 3 × 5 × 577 × 7673.
Since it has a total of 4 prime factors.
7 , 6 , 42 , 83 , 129 , 708 , 8091 , 4374 , 20866 , 61772 , 97810 , 817752 , 3825197 , 3989724 , 13429493 , 75539660 , 637269119 , 694745716 , 8855425624 , 9465193131
n×2
132819630
n×3
199229445
n×4
265639260
n×5
332049075
n÷2
33204907.5
n÷3
22136605
n÷3
16602453.75
n÷5
13281963
n2
4410263528334225
n3
2.9288478501792E+23
n4
1.9450424389355E+31
n5
1.2916990853686E+39
2 √n
8149.2217419825
3 √n
404.95872159696
4 √n
90.273039950932
5 √n
36.681446561887
1 , 3 , 5 , 15 , 577 , 1731 , 2885 , 7673 , 8655 , 23019 , 38365 , 115095 , 4427321 , 13281963 , 22136605 , 66409815
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
-66409814
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 66409815 can be divided by 16 positive divisors.
The sum of these divisors (counting 66409815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101010101010101010111
3
Ternary
11121221222010210
4
Quaternary
3331111111113
5
Quinary
114000103230
6
Senary
10331220503
8
Octal
375252527
10
Decimal
66409815
12
Duodecimal
1a2a7733
16
Hexadecimal
3f55557
20
Vigesimal
10f14af
36
Base36
13je53
md5
035a506d9963ee749a0bc8163ae8464e
sha1
257608c08b0509f2f799f851a5c1bdc89bb5b6c7
sha256
3359f3ef74119f1b3acaca255ce189eac04ef6752b8a7e6d51c60a803e8d7136
sha512
2613c498599068cb78364c453e7eabad6fd9bc37939e4f18a433cbe04cf9b8e2b217285c2944a80c45ff4f7762f26a19118b118cd18f5ab1110344727296b78b
ripemd-160
8d848497015d75f68ccf2be8075cf95bb87ded9d
Diameter
132819630
Circumference
417265173.86051
Area
1.385525150101E+16
Volume
1.226832918614E+24
Surface area
5.5421006004039E+16
Circumference
417265173.86051
Perimeter
265639260
Area
4410263528334225
Diagonal
93917661.047688
Surface area
26461581170005350
Volume
2.9288478501792E+23
Space diagonal
115025173.70125
Perimeter
199229445
Area
1.9097001264607E+15
Altitude
57512586.850625
Surface area
1.9097001264607E+15
Volume
3.451680293209E+22
Height
31305887.015896