81118084 (number)

81118084 is an even 8-digits composite number following 81118083 and preceding 81118085. In scientific notation, it is written as 8.1118084 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 38100480 positive integers (up to 81118084) that are relatively prime to 81118084.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred eighteen thousand eighty-four

Notation

Scientific notation 8.1118084 × 10^7
Engineering notation 8.1118084 × 10^6

Prime Factorization of 81118084

Prime Factorization 2 × 2 × 17 × 821 × 1453

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40559042
Product of the distinct prime numbers

The prime factorization of 81118084 is 2 × 2 × 17 × 821 × 1453. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81118084)

Multiplication

n×y
n×2 162236168
n×3 243354252
n×4 324472336
n×5 405590420

Division

n÷y
n÷2 40559042
n÷3 27039361.333333
n÷3 20279521
n÷5 16223616.8

Exponentiation

ny
n2 6580143551831056
n3 5.3376863736949E+23
n4 4.3298289162704E+31
n5 3.5122742573565E+39

Nth Root

y√n
2√n 9006.5578330459
3√n 432.88502406263
4√n 94.902886326212
5√n 38.178911020454

Divisors of 81118084

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 -81118083
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 81118084 can be divided by 24 positive divisors. The sum of these divisors (counting 81118084) is 1, the average is 0.041666666666667.

Base conversion 81118084

Base System Value
2 Binary 100110101011100001110000100
3 Ternary 12122122020002111
4 Quaternary 10311130032010
5 Quinary 131231234314
6 Senary 12014350404
8 Octal 465341604
10 Decimal 81118084
12 Duodecimal 231bb404
16 Hexadecimal 4d5c384
20 Vigesimal 156jf44
36 Base36 1can44

Cryptographic Hash Functions

md5 cb6bfd6ada97e3d0620c1a03e0626890
sha1 f54e28156b72ca72eaee7e2d6400ade1dd94611e
sha256 ffd5755b839ded179df8812483c133bc947998aac7edc8e9cbc25f8f73fd70ff
sha512 43e8ab888ac462f310967814e030e5786fff1f8b622e000eb7b44d6af26f69af931630c6db0a2f568792bd9c96acd1f54153f00e0ebe624ade73623df9d0fa01
ripemd-160 08f32fc7d675bbb100bace1b5a73951b9e77b8bc

81118084 as geometric shapes

Circle

Radius = n
Diameter 162236168
Circumference 509679953.53536
Area 2.0672130641999E+16

Sphere

Radius = n
Volume 2.2358448398355E+24
Surface area 8.2688522567995E+16
Circumference 509679953.53536

Square

Length = n
Perimeter 324472336
Area 6580143551831056
Diagonal 114718294.54652

Cube

Length = n
Surface area 39480861310986336
Volume 5.3376863736949E+23
Space diagonal 140500642.90064

Equilateral Triangle

Length = n
Perimeter 243354252
Area 2.849285738217E+15
Altitude 70250321.45032

Triangular Pyramid

Length = n
Surface area 2.849285738217E+15
Volume 6.2905237178112E+22
Height 38239431.515507