66561591 (number)

66561591 is an odd 8-digits composite number following 66561590 and preceding 66561592. In scientific notation, it is written as 6.6561591 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 44229240 positive integers (up to 66561591) that are relatively prime to 66561591.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6561591 × 10^7
Engineering notation 6.6561591 × 10^6

Prime Factorization of 66561591

Prime Factorization 3 × 307 × 72271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66561591
Product of the distinct prime numbers

The prime factorization of 66561591 is 3 × 307 × 72271. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561591)

Multiplication

n×y
n×2 133123182
n×3 199684773
n×4 266246364
n×5 332807955

Division

n÷y
n÷2 33280795.5
n÷3 22187197
n÷3 16640397.75
n÷5 13312318.2

Exponentiation

ny
n2 4430445396451281
n3 2.9489749442642E+23
n4 1.9628846410936E+31
n5 1.3065272466066E+39

Nth Root

y√n
2√n 8158.5287276567
3√n 405.26699054203
4√n 90.324574328677
5√n 36.698197943109

Divisors of 66561591

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 -66561590
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 66561591 can be divided by 8 positive divisors. The sum of these divisors (counting 66561591) is 1, the average is 0.125.

Base conversion 66561591

Base System Value
2 Binary 11111101111010011000110111
3 Ternary 11122020200100010
4 Quaternary 3331322120313
5 Quinary 114014432331
6 Senary 10334351303
8 Octal 375723067
10 Decimal 66561591
12 Duodecimal 1a35b533
16 Hexadecimal 3f7a637
20 Vigesimal 10g03jb
36 Base36 13mn93

Cryptographic Hash Functions

md5 d53307a7dd87952905e3fc831b5635fd
sha1 55942aceccea48dca52e980113c44336ebecdde2
sha256 ac0ac6f4b202be49228ad8896d6aa9f21a3fec7b0434450ac54bf076094a5435
sha512 f5ffa534d3831003dcb701aff338f788059baae33078fab23e0e99af759f564de55ede3745d174360eecdfee9ccca9be59cbad735b95a03154cc0a696bcb56d6
ripemd-160 ac57fb59f7095342edb6c15f69192e03fd48e35d

66561591 as geometric shapes

Circle

Radius = n
Diameter 133123182
Circumference 418218810.5937
Area 1.3918654709622E+16

Sphere

Radius = n
Volume 1.2352637360694E+24
Surface area 5.5674618838488E+16
Circumference 418218810.5937

Square

Length = n
Perimeter 266246364
Area 4430445396451281
Diagonal 94132304.725331

Cube

Length = n
Surface area 26582672378707686
Volume 2.9489749442642E+23
Space diagonal 115288057.44462

Equilateral Triangle

Length = n
Perimeter 199684773
Area 1.9184391317033E+15
Altitude 57644028.72231

Triangular Pyramid

Length = n
Surface area 1.9184391317033E+15
Volume 3.4754003010641E+22
Height 31377434.908444