81162008 (number)

81162008 is an even 8-digits composite number following 81162007 and preceding 81162009. In scientific notation, it is written as 8.1162008 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 8 positive divisors. There are 40581000 positive integers (up to 81162008) that are relatively prime to 81162008.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred sixty-two thousand eight

Notation

Scientific notation 8.1162008 × 10^7
Engineering notation 8.1162008 × 10^6

Prime Factorization of 81162008

Prime Factorization 2 × 2 × 2 × 10145251

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20290502
Product of the distinct prime numbers

The prime factorization of 81162008 is 2 × 2 × 2 × 10145251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81162008)

Multiplication

n×y
n×2 162324016
n×3 243486024
n×4 324648032
n×5 405810040

Division

n÷y
n÷2 40581004
n÷3 27054002.666667
n÷3 20290502
n÷5 16232401.6

Exponentiation

ny
n2 6587271542592064
n3 5.3463618563803E+23
n4 4.3392146375843E+31
n5 3.5217937312934E+39

Nth Root

y√n
2√n 9008.995948495
3√n 432.9631431452
4√n 94.915730774698
5√n 38.183044765491

Divisors of 81162008

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 -81162007
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 81162008 can be divided by 8 positive divisors. The sum of these divisors (counting 81162008) is 1, the average is 0.125.

Base conversion 81162008

Base System Value
2 Binary 100110101100110111100011000
3 Ternary 12122201110100022
4 Quaternary 10311212330120
5 Quinary 131234141013
6 Senary 12015330012
8 Octal 465467430
10 Decimal 81162008
12 Duodecimal 23220908
16 Hexadecimal 4d66f18
20 Vigesimal 1575508
36 Base36 1cbl08

Cryptographic Hash Functions

md5 38ed6f17989bacaf005eefae805a0325
sha1 a0aeb28a679740ef2c880319fbc76076bd31f82f
sha256 701ecd96c490f542875580c88d0c7878d8a4577cd88c530e58706a7f914c8f60
sha512 86ab5c435da805cc83c095a54d8052bc4324cd578318cd73eee3c382b0ea8c67360ad836e5bc4eb405426d8d8da522ae88078592d8cecb21b0d6eab0f66c29a3
ripemd-160 4ff4d5327c4909e43c7de45087eecce8825d2e6f

81162008 as geometric shapes

Circle

Radius = n
Diameter 162324016
Circumference 509955936.16679
Area 2.0694523885408E+16

Sphere

Radius = n
Volume 2.2394788175249E+24
Surface area 8.2778095541633E+16
Circumference 509955936.16679

Square

Length = n
Perimeter 324648032
Area 6587271542592064
Diagonal 114780412.46303

Cube

Length = n
Surface area 39523629255552384
Volume 5.3463618563803E+23
Space diagonal 140576721.50031

Equilateral Triangle

Length = n
Perimeter 243486024
Area 2.8523722487555E+15
Altitude 70288360.750156

Triangular Pyramid

Length = n
Surface area 2.8523722487555E+15
Volume 6.300747872206E+22
Height 38260137.487678