66561431 (number)

66561431 is an odd 8-digits composite number following 66561430 and preceding 66561432. In scientific notation, it is written as 6.6561431 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 65329920 positive integers (up to 66561431) that are relatively prime to 66561431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6561431 × 10^7
Engineering notation 6.6561431 × 10^6

Prime Factorization of 66561431

Prime Factorization 61 × 643 × 1697

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66561431
Product of the distinct prime numbers

The prime factorization of 66561431 is 61 × 643 × 1697. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561431)

Multiplication

n×y
n×2 133122862
n×3 199684293
n×4 266245724
n×5 332807155

Division

n÷y
n÷2 33280715.5
n÷3 22187143.666667
n÷3 16640357.75
n÷5 13312286.2

Exponentiation

ny
n2 4430424096767761
n3 2.9489536781774E+23
n4 1.962865767722E+31
n5 1.3065115436049E+39

Nth Root

y√n
2√n 8158.5189219613
3√n 405.26666581637
4√n 90.324520048331
5√n 36.698180300149

Divisors of 66561431

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 -66561430
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 66561431 can be divided by 8 positive divisors. The sum of these divisors (counting 66561431) is 1, the average is 0.125.

Base conversion 66561431

Base System Value
2 Binary 11111101111010010110010111
3 Ternary 11122020200010012
4 Quaternary 3331322112113
5 Quinary 114014431211
6 Senary 10334350435
8 Octal 375722627
10 Decimal 66561431
12 Duodecimal 1a35b41b
16 Hexadecimal 3f7a597
20 Vigesimal 10g03bb
36 Base36 13mn4n

Cryptographic Hash Functions

md5 645f48622b8764e6d3313f7384887e4a
sha1 9ae1d0b5f8a148e733c230e608a10d7c45449e92
sha256 6fb3a83463a5ddc19b3fabdcb9ae5bfbc5f33f1fcf875af7d0c41d995079a281
sha512 094b7a41c1851a23349669c4d33e5b0037184be657ef9e69dba1388c3d2137db802b0bdac3943be9ae207c3136cff47dae9f674fe7874da1744d7923211ca6fa
ripemd-160 98c8c0b332b8de6a8ce476274ee2b45b071b06cb

66561431 as geometric shapes

Circle

Radius = n
Diameter 133122862
Circumference 418217805.28405
Area 1.3918587794693E+16

Sphere

Radius = n
Volume 1.2352548281518E+24
Surface area 5.5674351178771E+16
Circumference 418217805.28405

Square

Length = n
Perimeter 266245724
Area 4430424096767761
Diagonal 94132078.451161

Cube

Length = n
Surface area 26582544580606566
Volume 2.9489536781774E+23
Space diagonal 115287780.31649

Equilateral Triangle

Length = n
Perimeter 199684293
Area 1.9184299086698E+15
Altitude 57643890.158245

Triangular Pyramid

Length = n
Surface area 1.9184299086698E+15
Volume 3.4753752387405E+22
Height 31377359.48372