66508721 (number)

66508721 is an odd 8-digits composite number following 66508720 and preceding 66508722. In scientific notation, it is written as 6.6508721 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 60559488 positive integers (up to 66508721) that are relatively prime to 66508721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6508721 × 10^7
Engineering notation 6.6508721 × 10^6

Prime Factorization of 66508721

Prime Factorization 19 × 89 × 37 × 1063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66508721
Product of the distinct prime numbers

The prime factorization of 66508721 is 19 × 89 × 37 × 1063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66508721)

Multiplication

n×y
n×2 133017442
n×3 199526163
n×4 266034884
n×5 332543605

Division

n÷y
n÷2 33254360.5
n÷3 22169573.666667
n÷3 16627180.25
n÷5 13301744.2

Exponentiation

ny
n2 4423409969055841
n3 2.9419533950055E+23
n4 1.9566555754343E+31
n5 1.3013465975965E+39

Nth Root

y√n
2√n 8155.287916438
3√n 405.15966066905
4√n 90.30663273779
5√n 36.692366200079

Divisors of 66508721

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 -66508720
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 66508721 can be divided by 16 positive divisors. The sum of these divisors (counting 66508721) is 1, the average is 0.0625.

Base conversion 66508721

Base System Value
2 Binary 11111101101101011110110001
3 Ternary 11122010222210222
4 Quaternary 3331231132301
5 Quinary 114011234341
6 Senary 10333302425
8 Octal 375553661
10 Decimal 66508721
12 Duodecimal 1a334a15
16 Hexadecimal 3f6d7b1
20 Vigesimal 10fdbg1
36 Base36 13ligh

Cryptographic Hash Functions

md5 08c6229a07ccd1625193acb5fd7d0124
sha1 d68dc38da23a6a0ace5b68af87076ede1560d73a
sha256 281b6e0829aaab0090c64d49d2685b18fb2b72734800d6f0a322d010ba1cec04
sha512 4bf18106767e79d4132fe68f5ec9be830f0209039f4d69daf6d64ff1a6f42268aeb21b99ca4d7d52e74e8342f6897f1eff128a8cc56af1a2bfd544e7d5fb7898
ripemd-160 fdf01c89342582265e37ed9b3428e05077a411f9

66508721 as geometric shapes

Circle

Radius = n
Diameter 133017442
Circumference 417886618.58651
Area 1.3896552262602E+16

Sphere

Radius = n
Volume 1.2323225563937E+24
Surface area 5.5586209050407E+16
Circumference 417886618.58651

Square

Length = n
Perimeter 266034884
Area 4423409969055841
Diagonal 94057535.254288

Cube

Length = n
Surface area 26540459814335046
Volume 2.9419533950055E+23
Space diagonal 115196483.91842

Equilateral Triangle

Length = n
Perimeter 199526163
Area 1.9153927022778E+15
Altitude 57598241.959212

Triangular Pyramid

Length = n
Surface area 1.9153927022778E+15
Volume 3.4671253259053E+22
Height 31352511.751429