81584038 is an even 8-digits composite number following 81584037
and preceding 81584039 . In scientific notation, it is written as 8.1584038 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 39372480 positive integers (up to 81584038) that are relatively prime to 81584038.
81584038 has 16 divisors, whose sum is 126687744
The reverse of 81584038 is 83048518
Previous prime number is 8681
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million five hundred eighty-four thousand thirty-eight
Scientific notation
8.1584038 × 10^7
Engineering notation
8.1584038 × 10^6
Prime Factorization
2 × 37 × 8681 × 127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81584038
Product of the distinct prime numbers
The prime factorization of 81584038 is 2 × 37 × 8681 × 127.
Since it has a total of 4 prime factors.
2 , 7 , 90 , 91 , 612 , 937 , 212 , 190 , 56623 , 71565 , 889509 , 116028 , 1459549 , 9670484 , 63907183 , 41917472 , 965725900 , 698431817 , 4256673503 , 6692597900
n×2
163168076
n×3
244752114
n×4
326336152
n×5
407920190
n÷2
40792019
n÷3
27194679.333333
n÷3
20396009.5
n÷5
16316807.6
n2
6655955256385444
n3
5.4301970656325E+23
n4
4.4301740375005E+31
n5
3.6143148702205E+39
2 √n
9032.388277748
3 √n
433.71229347744
4 √n
95.038877717216
5 √n
38.22267162546
1 , 2 , 37 , 74 , 127 , 254 , 4699 , 8681 , 9398 , 17362 , 321197 , 642394 , 1102487 , 2204974 , 40792019 , 81584038
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
-81584037
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 81584038 can be divided by 16 positive divisors.
The sum of these divisors (counting 81584038) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111001101111110100110
3
Ternary
12200111220021001
4
Quaternary
10313031332212
5
Quinary
131341142123
6
Senary
12032343514
8
Octal
467157646
10
Decimal
81584038
12
Duodecimal
233a4b9a
16
Hexadecimal
4dcdfa6
20
Vigesimal
159i01i
36
Base36
1ckmna
md5
6f457ee713d125a413eec83a74d3062a
sha1
3fb9283b500b61a331d4d8de454ac9381f51ca3b
sha256
5457bbd8695261e5bb84eae8629983492e265cd43be49e97c07c803fce9eb047
sha512
56a48902cc991c6429c1c0fab21bce5d768cf77671a9ce72487de78dc2b36226a1a966eecf2a8aac421ce98465d81ff82fe3a9619e4b9a38a4150a7715f989a3
ripemd-160
289d19674b59918b8ff5c7cf4fe5bf1a7f472887
Diameter
163168076
Circumference
512607628.86198
Area
2.0910300136083E+16
Volume
2.2745956278581E+24
Surface area
8.3641200544332E+16
Circumference
512607628.86198
Perimeter
326336152
Area
6655955256385444
Diagonal
115377253.01276
Surface area
39935731538312664
Volume
5.4301970656325E+23
Space diagonal
141307698.90263
Perimeter
244752114
Area
2.8821131692412E+15
Altitude
70653849.451315
Surface area
2.8821131692412E+15
Volume
6.3995486138134E+22
Height
38459084.337587