66808521 is an odd 8-digits composite number following 66808520
and preceding 66808522 . In scientific notation, it is written as 6.6808521 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 38693376 positive integers (up to 66808521) that are relatively prime to 66808521.
66808521 has 8 divisors, whose sum is 89215040
The reverse of 66808521 is 12580866
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-six million eight hundred eight thousand five hundred twenty-one
Scientific notation
6.6808521 × 10^7
Engineering notation
6.6808521 × 10^6
Prime Factorization
663 × 3 × 33589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66808521
Product of the distinct prime numbers
The prime factorization of 66808521 is 663 × 3 × 33589.
Since it has a total of 3 prime factors.
3 , 4 , 10 , 83 , 659 , 248 , 6154 , 8367 , 13766 , 21282 , 648947 , 696459 , 9458030 , 1613657 , 80071843 , 4698594 , 94031150 , 941165791 , 1893760954 , 3867055100
n×2
133617042
n×3
200425563
n×4
267234084
n×5
334042605
n÷2
33404260.5
n÷3
22269507
n÷3
16702130.25
n÷5
13361704.2
n2
4463378478207441
n3
2.9819171479227E+23
n4
1.9921747439725E+31
n5
1.3309424821836E+39
2 √n
8173.6479615897
3 √n
405.76752486539
4 √n
90.408229501466
5 √n
36.725386201781
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66808520
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66808521 can be divided by 8 positive divisors.
The sum of these divisors (counting 66808521) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111110110110101011001001
3
Ternary
11122201020001200
4
Quaternary
3332312223021
5
Quinary
114100333041
6
Senary
10343534413
8
Octal
376665311
10
Decimal
66808521
12
Duodecimal
1a45a409
16
Hexadecimal
3fb6ac9
20
Vigesimal
10hb161
36
Base36
13rxs9
md5
6376ee0344a4b15326d24fbb565b3c63
sha1
9ddf7c4a051401998ba700a90fa88f6deda6f240
sha256
3cd0887c97c7345bdf52c85a8f72d9dfb570655914099760dd8c27e886184c27
sha512
b98c1944acd12a6279d8754ed2bf046de6a9fa07aa2530f16db1c1a22afbe8f45f862adbaf748819ce4cab3906482cd822c16584ac8a2b0623688666148244e1
ripemd-160
b2f620d41146e351d2dc7eb0735f1d8ae3a64b95
Diameter
133617042
Circumference
419770317.5416
Area
1.4022117037327E+16
Volume
1.2490625340703E+24
Surface area
5.6088468149309E+16
Circumference
419770317.5416
Perimeter
267234084
Area
4463378478207441
Diagonal
94481516.480288
Surface area
26780270869244646
Volume
2.9819171479227E+23
Space diagonal
115715752.75053
Perimeter
200425563
Area
1.9326995744162E+15
Altitude
57857876.375266
Surface area
1.9326995744162E+15
Volume
3.5142230603876E+22
Height
31493838.826763