81592938 is an even 8-digits composite number following 81592937
and preceding 81592939 . In scientific notation, it is written as 8.1592938 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 22997520 positive integers (up to 81592938) that are relatively prime to 81592938.
81592938 has 24 divisors, whose sum is 142693344
The reverse of 81592938 is 83929518
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-one million five hundred ninety-two thousand nine hundred thirty-eight
Scientific notation
8.1592938 × 10^7
Engineering notation
8.1592938 × 10^6
Prime Factorization
2 × 711 × 7 × 7 × 1171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
11656134
Product of the distinct prime numbers
The prime factorization of 81592938 is 2 × 711 × 7 × 7 × 1171.
Since it has a total of 5 prime factors.
6 , 9 , 42 , 3 , 79 , 769 , 5358 , 2320 , 1669 , 90488 , 441778 , 699168 , 9050448 , 6859950 , 71246763 , 58531971 , 74942929 , 553116112 , 4760548724 , 1342090183
n×2
163185876
n×3
244778814
n×4
326371752
n×5
407964690
n÷2
40796469
n÷3
27197646
n÷3
20398234.5
n÷5
16318587.6
n2
6657407531471844
n3
5.4319743995612E+23
n4
4.4321075040098E+31
n5
3.6162867278401E+39
2 √n
9032.8809357812
3 √n
433.72806412388
4 √n
95.041469558195
5 √n
38.223505531069
1 , 2 , 7 , 14 , 49 , 98 , 711 , 1171 , 1422 , 2342 , 4977 , 8197 , 9954 , 16394 , 34839 , 57379 , 69678 , 114758 , 832581 , 1665162 , 5828067 , 11656134 , 40796469 , 81592938
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
-81592937
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 81592938 can be divided by 24 positive divisors.
The sum of these divisors (counting 81592938) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111010000001001101010
3
Ternary
12200112100110200
4
Quaternary
10313100021222
5
Quinary
131341433223
6
Senary
12032453030
8
Octal
467201152
10
Decimal
81592938
12
Duodecimal
233aa176
16
Hexadecimal
4dd026a
20
Vigesimal
159j26i
36
Base36
1cktii
md5
0cb332c237b0fb6701f1e3f79bdd5018
sha1
1bac0276c363fb43d09a7132f23643e0a96cde02
sha256
1f08c03acb5af890d1c6d73130a6841c5569cbbaab5b80ec6c0c547abbce04a4
sha512
9edc34d0928236e80e377f85aa2b2ae8bc34d987259786cf7621b007e678cc8f7784ed58c0f7c3348dabfb5add9eb3cd8179c9950d99f3b25a3263ac32d82418
ripemd-160
316f8ef8fee04874af332dad1639915eabcbd3e6
Diameter
163185876
Circumference
512663549.21121
Area
2.0914862592825E+16
Volume
2.2753401157532E+24
Surface area
8.3659450371301E+16
Circumference
512663549.21121
Perimeter
326371752
Area
6657407531471844
Diagonal
115389839.51347
Surface area
39944445188831064
Volume
5.4319743995612E+23
Space diagonal
141323114.15482
Perimeter
244778814
Area
2.8827420228002E+15
Altitude
70661557.077409
Surface area
2.8827420228002E+15
Volume
6.4016432219357E+22
Height
38463279.837822