81242016 (number)

81242016 is an even 8-digits composite number following 81242015 and preceding 81242017. In scientific notation, it is written as 8.1242016 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 24 positive divisors. There are 27080640 positive integers (up to 81242016) that are relatively prime to 81242016.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-two thousand sixteen

Notation

Scientific notation 8.1242016 × 10^7
Engineering notation 8.1242016 × 10^6

Prime Factorization of 81242016

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 846271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5077626
Product of the distinct prime numbers

The prime factorization of 81242016 is 2 × 2 × 2 × 2 × 2 × 3 × 846271. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 3, 79, 78, 423, 872, 9382, 5647, 31780, 10898, 242653, 762961, 4457417, 5149763, 97140465, 22038414, 840794127, 982399688, 184102284, 4300469758

Basic calculations (n = 81242016)

Multiplication

n×y
n×2 162484032
n×3 243726048
n×4 324968064
n×5 406210080

Division

n÷y
n÷2 40621008
n÷3 27080672
n÷3 20310504
n÷5 16248403.2

Exponentiation

ny
n2 6600265163744256
n3 5.3621884803715E+23
n4 4.3563500231736E+31
n5 3.5391865828427E+39

Nth Root

y√n
2√n 9013.4353051431
3√n 433.10536543032
4√n 94.939113673676
5√n 38.190569826115

Divisors of 81242016

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 846271, 1692542, 2538813, 3385084, 5077626, 6770168, 10155252, 13540336, 20310504, 27080672, 40621008, 81242016

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81242015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81242016 can be divided by 24 positive divisors. The sum of these divisors (counting 81242016) is 1, the average is 0.041666666666667.

Base conversion 81242016

Base System Value
2 Binary 100110101111010011110100000
3 Ternary 12122212112002120
4 Quaternary 10311322132200
5 Quinary 131244221031
6 Senary 12021144240
8 Octal 465723640
10 Decimal 81242016
12 Duodecimal 2325b080
16 Hexadecimal 4d7a7a0
20 Vigesimal 157f50g
36 Base36 1cdaqo

Cryptographic Hash Functions

md5 fe15d0387c99b9856b5df9cb9e649b2b
sha1 8cebbcec64353bb822a7e5252d17253e7acd608e
sha256 7dda592bc2cdc134ea894b3381f439a8a431ad9b4818433c2639f9f9bee95b16
sha512 ea4642b7f666f16092b2068c97a1778e67c739c104d41836a6229d729b5193ed662167588bb96bfe035cd4f1b0f68cfa47bdff19116286c86e1e5ea9ba8744ba
ripemd-160 18e201c9255e971423dfcfb00ef6c22ef8d6af0c

81242016 as geometric shapes

Circle

Radius = n
Diameter 162484032
Circumference 510458641.25685
Area 2.0735344550164E+16

Sphere

Radius = n
Volume 2.2461082582799E+24
Surface area 8.2941378200654E+16
Circumference 510458641.25685

Square

Length = n
Perimeter 324968064
Area 6600265163744256
Diagonal 114893560.86173

Cube

Length = n
Surface area 39601590982465536
Volume 5.3621884803715E+23
Space diagonal 140715299.42132

Equilateral Triangle

Length = n
Perimeter 243726048
Area 2.857998651758E+15
Altitude 70357649.710662

Triangular Pyramid

Length = n
Surface area 2.857998651758E+15
Volume 6.3193997274518E+22
Height 38297853.620577