81450168 (number)

81450168 is an even 8-digits composite number following 81450167 and preceding 81450169. In scientific notation, it is written as 8.1450168 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors. There are 27150048 positive integers (up to 81450168) that are relatively prime to 81450168.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred fifty thousand one hundred sixty-eight

Notation

Scientific notation 8.1450168 × 10^7
Engineering notation 8.1450168 × 10^6

Prime Factorization of 81450168

Prime Factorization 2 × 2 × 2 × 3 × 3393757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20362542
Product of the distinct prime numbers

The prime factorization of 81450168 is 2 × 2 × 2 × 3 × 3393757. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81450168)

Multiplication

n×y
n×2 162900336
n×3 244350504
n×4 325800672
n×5 407250840

Division

n÷y
n÷2 40725084
n÷3 27150056
n÷3 20362542
n÷5 16290033.6

Exponentiation

ny
n2 6634129867228224
n3 5.4035099221956E+23
n4 4.401167909525E+31
n5 3.5847586562702E+39

Nth Root

y√n
2√n 9024.9746814049
3√n 433.47493965062
4√n 94.999866744143
5√n 38.210119584735

Divisors of 81450168

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 -81450167
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 81450168 can be divided by 16 positive divisors. The sum of these divisors (counting 81450168) is 1, the average is 0.0625.

Base conversion 81450168

Base System Value
2 Binary 100110110101101010010111000
3 Ternary 12200021002121220
4 Quaternary 10312231102320
5 Quinary 131322401133
6 Senary 12025432040
8 Octal 466552270
10 Decimal 81450168
12 Duodecimal 2333b620
16 Hexadecimal 4dad4b8
20 Vigesimal 1591588
36 Base36 1chrco

Cryptographic Hash Functions

md5 d86be52a9327f307f322b836cdf74930
sha1 eaf78d890c183a85e59a0accd03eae96385449fc
sha256 7caf6f5cef7ef49799603a1fd8b8c6f8a1b5d644eac9d78387e55354842621a3
sha512 0706c9754d05e2315bb795166b638903cc910289c51434ace22ff8e2d44a0bb939bbc7fe453079a50287030554e9f108cb763efbab4a18f62fe9997522fda4da
ripemd-160 7d043f55bcbca463ad66e6a91d70a67e3420e934

81450168 as geometric shapes

Circle

Radius = n
Diameter 162900336
Circumference 511766498.84491
Area 2.0841733653845E+16

Sphere

Radius = n
Volume 2.2634169433559E+24
Surface area 8.3366934615379E+16
Circumference 511766498.84491

Square

Length = n
Perimeter 325800672
Area 6634129867228224
Diagonal 115187932.24317

Cube

Length = n
Surface area 39804779203369344
Volume 5.4035099221956E+23
Space diagonal 141075829.26102

Equilateral Triangle

Length = n
Perimeter 244350504
Area 2.8726624985124E+15
Altitude 70537914.63051

Triangular Pyramid

Length = n
Surface area 2.8726624985124E+15
Volume 6.3680975136555E+22
Height 38395977.414389