68181531 (number)

68181531 is an odd 8-digits composite number following 68181530 and preceding 68181532. In scientific notation, it is written as 6.8181531 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 40360320 positive integers (up to 68181531) that are relatively prime to 68181531.

Interesting facts

Basic properties

Name

Name sixty-eight million one hundred eighty-one thousand five hundred thirty-one

Notation

Scientific notation 6.8181531 × 10^7
Engineering notation 6.8181531 × 10^6

Prime Factorization of 68181531

Prime Factorization 3 × 473 × 48049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68181531
Product of the distinct prime numbers

The prime factorization of 68181531 is 3 × 473 × 48049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68181531)

Multiplication

n×y
n×2 136363062
n×3 204544593
n×4 272726124
n×5 340907655

Division

n÷y
n÷2 34090765.5
n÷3 22727177
n÷3 17045382.75
n÷5 13636306.2

Exponentiation

ny
n2 4648721169503961
n3 3.1695692652889E+23
n4 2.1610608511794E+31
n5 1.4734443741758E+39

Nth Root

y√n
2√n 8257.2108487067
3√n 408.52839674614
4√n 90.869196368774
5√n 36.875112147278

Divisors of 68181531

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 -68181530
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 68181531 can be divided by 8 positive divisors. The sum of these divisors (counting 68181531) is 1, the average is 0.125.

Base conversion 68181531

Base System Value
2 Binary 100000100000101111000011011
3 Ternary 11202021222110220
4 Quaternary 10010011320123
5 Quinary 114423302111
6 Senary 10433211123
8 Octal 404057033
10 Decimal 68181531
12 Duodecimal 1aa00aa3
16 Hexadecimal 4105e1b
20 Vigesimal 1162dgb
36 Base36 14ld7f

Cryptographic Hash Functions

md5 f5d93d7a143b0cc1b951d61f88922747
sha1 708967266b21f58c3d0447db9e0b22845196fa14
sha256 deec87f5610a36a88c8779778eebf90529dc0061fe3816c89827d68483b3d4f1
sha512 a176052ec049b434b2b2e0312d3a56f2557d53b3ffced00189e36967c38403ab707f4d37c415a26b85dba0076ba8e661da463fac5fa6615b41c0dc2aae69783c
ripemd-160 c13fef1bc07317b2c1c0303d5ec5ae615c004021

68181531 as geometric shapes

Circle

Radius = n
Diameter 136363062
Circumference 428397193.80021
Area 1.4604388274701E+16

Sphere

Radius = n
Volume 1.3276660691834E+24
Surface area 5.8417553098804E+16
Circumference 428397193.80021

Square

Length = n
Perimeter 272726124
Area 4648721169503961
Diagonal 96423245.843562

Cube

Length = n
Surface area 27892327017023766
Volume 3.1695692652889E+23
Space diagonal 118093875.82983

Equilateral Triangle

Length = n
Perimeter 204544593
Area 2.0129553139505E+15
Altitude 59046937.914916

Triangular Pyramid

Length = n
Surface area 2.0129553139505E+15
Volume 3.7353732015437E+22
Height 32141081.947854