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.
81118084 has 24 divisors, whose sum is 150593688
The reverse of 81118084 is 48081118
Previous prime number is 821
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million one hundred eighteen thousand eighty-four
Scientific notation
8.1118084 × 10^7
Engineering notation
8.1118084 × 10^6
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.
2 , 3 , 28 , 10 , 872 , 348 , 6824 , 9695 , 26486 , 40349 , 815416 , 862001 , 8388632 , 8973623 , 16308336 , 94993704 , 754093341 , 459150908 , 744628462 , 3401485689
n×2
162236168
n×3
243354252
n×4
324472336
n×5
405590420
n÷2
40559042
n÷3
27039361.333333
n÷3
20279521
n÷5
16223616.8
n2
6580143551831056
n3
5.3376863736949E+23
n4
4.3298289162704E+31
n5
3.5122742573565E+39
2 √n
9006.5578330459
3 √n
432.88502406263
4 √n
94.902886326212
5 √n
38.178911020454
1 , 2 , 4 , 17 , 34 , 68 , 821 , 1453 , 1642 , 2906 , 3284 , 5812 , 13957 , 24701 , 27914 , 49402 , 55828 , 98804 , 1192913 , 2385826 , 4771652 , 20279521 , 40559042 , 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
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
md5
cb6bfd6ada97e3d0620c1a03e0626890
sha1
f54e28156b72ca72eaee7e2d6400ade1dd94611e
sha256
ffd5755b839ded179df8812483c133bc947998aac7edc8e9cbc25f8f73fd70ff
sha512
43e8ab888ac462f310967814e030e5786fff1f8b622e000eb7b44d6af26f69af931630c6db0a2f568792bd9c96acd1f54153f00e0ebe624ade73623df9d0fa01
ripemd-160
08f32fc7d675bbb100bace1b5a73951b9e77b8bc
Diameter
162236168
Circumference
509679953.53536
Area
2.0672130641999E+16
Volume
2.2358448398355E+24
Surface area
8.2688522567995E+16
Circumference
509679953.53536
Perimeter
324472336
Area
6580143551831056
Diagonal
114718294.54652
Surface area
39480861310986336
Volume
5.3376863736949E+23
Space diagonal
140500642.90064
Perimeter
243354252
Area
2.849285738217E+15
Altitude
70250321.45032
Surface area
2.849285738217E+15
Volume
6.2905237178112E+22
Height
38239431.515507