66561665 (number)

66561665 is an odd 8-digits composite number following 66561664 and preceding 66561666. In scientific notation, it is written as 6.6561665 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 53051760 positive integers (up to 66561665) that are relatively prime to 66561665.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6561665 × 10^7
Engineering notation 6.6561665 × 10^6

Prime Factorization of 66561665

Prime Factorization 5 × 271 × 49123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66561665
Product of the distinct prime numbers

The prime factorization of 66561665 is 5 × 271 × 49123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561665)

Multiplication

n×y
n×2 133123330
n×3 199684995
n×4 266246660
n×5 332808325

Division

n÷y
n÷2 33280832.5
n÷3 22187221.666667
n÷3 16640416.25
n÷5 13312333

Exponentiation

ny
n2 4430455247572225
n3 2.9489847798639E+23
n4 1.962893370074E+31
n5 1.3065345092959E+39

Nth Root

y√n
2√n 8158.5332627869
3√n 405.26714072747
4√n 90.324599433304
5√n 36.698206102966

Divisors of 66561665

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 -66561664
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 66561665 can be divided by 8 positive divisors. The sum of these divisors (counting 66561665) is 1, the average is 0.125.

Base conversion 66561665

Base System Value
2 Binary 11111101111010011010000001
3 Ternary 11122020200102212
4 Quaternary 3331322122001
5 Quinary 114014433130
6 Senary 10334351505
8 Octal 375723201
10 Decimal 66561665
12 Duodecimal 1a35b595
16 Hexadecimal 3f7a681
20 Vigesimal 10g0435
36 Base36 13mnb5

Cryptographic Hash Functions

md5 581b879037bb55f68d26963526bd019f
sha1 22afecd79292d2ccc4a06c10edc04bf2a5c8066a
sha256 f622d5e16ac93cbb3f1b1b5bf1b2c0fba68b5ae828fe8bde84ab938f1a61d916
sha512 eaf844fa54fa63e09bd22f5de2d410bd2f891514c33d7de169c6841c9f2cfe45e7d6e62cf74cd030daf0e9566ff49013765501f8fc3bb909e8a148589372daf9
ripemd-160 c0a687e2afa3341bdbb5c186ba2caea6f262e2ed

66561665 as geometric shapes

Circle

Radius = n
Diameter 133123330
Circumference 418219275.54941
Area 1.3918685657831E+16

Sphere

Radius = n
Volume 1.2352678559958E+24
Surface area 5.5674742631325E+16
Circumference 418219275.54941

Square

Length = n
Perimeter 266246660
Area 4430455247572225
Diagonal 94132409.377135

Cube

Length = n
Surface area 26582731485433350
Volume 2.9489847798639E+23
Space diagonal 115288185.61638

Equilateral Triangle

Length = n
Perimeter 199684995
Area 1.9184433973638E+15
Altitude 57644092.80819

Triangular Pyramid

Length = n
Surface area 1.9184433973638E+15
Volume 3.4754118924295E+22
Height 31377469.792378