66808521 (number)

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.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred eight thousand five hundred twenty-one

Notation

Scientific notation 6.6808521 × 10^7
Engineering notation 6.6808521 × 10^6

Prime Factorization of 66808521

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.

Most popular turbo-numbers

Basic calculations (n = 66808521)

Multiplication

n×y
n×2 133617042
n×3 200425563
n×4 267234084
n×5 334042605

Division

n÷y
n÷2 33404260.5
n÷3 22269507
n÷3 16702130.25
n÷5 13361704.2

Exponentiation

ny
n2 4463378478207441
n3 2.9819171479227E+23
n4 1.9921747439725E+31
n5 1.3309424821836E+39

Nth Root

y√n
2√n 8173.6479615897
3√n 405.76752486539
4√n 90.408229501466
5√n 36.725386201781

Divisors of 66808521

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 conversion 66808521

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

Cryptographic Hash Functions

md5 6376ee0344a4b15326d24fbb565b3c63
sha1 9ddf7c4a051401998ba700a90fa88f6deda6f240
sha256 3cd0887c97c7345bdf52c85a8f72d9dfb570655914099760dd8c27e886184c27
sha512 b98c1944acd12a6279d8754ed2bf046de6a9fa07aa2530f16db1c1a22afbe8f45f862adbaf748819ce4cab3906482cd822c16584ac8a2b0623688666148244e1
ripemd-160 b2f620d41146e351d2dc7eb0735f1d8ae3a64b95

66808521 as geometric shapes

Circle

Radius = n
Diameter 133617042
Circumference 419770317.5416
Area 1.4022117037327E+16

Sphere

Radius = n
Volume 1.2490625340703E+24
Surface area 5.6088468149309E+16
Circumference 419770317.5416

Square

Length = n
Perimeter 267234084
Area 4463378478207441
Diagonal 94481516.480288

Cube

Length = n
Surface area 26780270869244646
Volume 2.9819171479227E+23
Space diagonal 115715752.75053

Equilateral Triangle

Length = n
Perimeter 200425563
Area 1.9326995744162E+15
Altitude 57857876.375266

Triangular Pyramid

Length = n
Surface area 1.9326995744162E+15
Volume 3.5142230603876E+22
Height 31493838.826763