81593480 is an even 8-digits composite number following 81593479
and preceding 81593481 . In scientific notation, it is written as 8.1593480 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 32637376 positive integers (up to 81593480) that are relatively prime to 81593480.
81593480 has 16 divisors, whose sum is 183585420
The reverse of 81593480 is 08439518
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million five hundred ninety-three thousand four hundred eighty
Scientific notation
8.1593480 × 10^7
Engineering notation
8.1593480 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 2039837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20398370
Product of the distinct prime numbers
The prime factorization of 81593480 is 2 × 2 × 2 × 5 × 2039837.
Since it has a total of 5 prime factors.
6 , 4 , 7 , 1 , 185 , 74 , 5705 , 3586 , 70922 , 10213 , 920490 , 45905 , 814626 , 8421371 , 66856372 , 13695084 , 366575587 , 495171192 , 4823663615 , 9219828594
n×2
163186960
n×3
244780440
n×4
326373920
n×5
407967400
n÷2
40796740
n÷3
27197826.666667
n÷3
20398370
n÷5
16318696
n2
6657495978510400
n3
5.4320826497267E+23
n4
4.4322252703882E+31
n5
3.6164068395492E+39
2 √n
9032.9109372339
3 √n
433.72902450148
4 √n
95.041627391548
5 √n
38.223556312633
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 2039837 , 4079674 , 8159348 , 10199185 , 16318696 , 20398370 , 40796740 , 81593480
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
-81593479
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 81593480 can be divided by 16 positive divisors.
The sum of these divisors (counting 81593480) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111010000010010001000
3
Ternary
12200112101012202
4
Quaternary
10313100102020
5
Quinary
131341442410
6
Senary
12032455332
8
Octal
467202210
10
Decimal
81593480
12
Duodecimal
233aa548
16
Hexadecimal
4dd0488
20
Vigesimal
159j3e0
36
Base36
1cktxk
md5
ad5c7dad96e8cd3441da3836d9320e02
sha1
b9dc65b9b8b6be8fee537bdb4d2cee78e1fd723d
sha256
68dfc172f7a64133c7ee8ac7ea7c518e436a2a7631780cb7d6fefbc91c97abe9
sha512
40dc2dfb84654d026166206cb3824b7671f5075b23a6e28ed71027a07d11ee310a8afb4d9b4bd90c1af505750cf1de3b22630e6311c9b586a516970a8a26b2f0
ripemd-160
3d9cef62535a8c52b3a49c08a428a431692088d0
Diameter
163186960
Circumference
512666954.69765
Area
2.0915140457392E+16
Volume
2.2753854594765E+24
Surface area
8.3660561829567E+16
Circumference
512666954.69765
Perimeter
326373920
Area
6657495978510400
Diagonal
115390606.01722
Surface area
39944975871062400
Volume
5.4320826497267E+23
Space diagonal
141324052.92636
Perimeter
244780440
Area
2.8827803214914E+15
Altitude
70662026.463178
Surface area
2.8827803214914E+15
Volume
6.4017707959792E+22
Height
38463535.339073