81322016 is an even 8-digits composite number following 81322015
and preceding 81322017 . In scientific notation, it is written as 8.1322016 × 10^7.
The sum of its digits is 23. It has a total of 7 prime factors and 24 positive divisors.
There are 38268928 positive integers (up to 81322016) that are relatively prime to 81322016.
81322016 has 24 divisors, whose sum is 169521660
The reverse of 81322016 is 61022318
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million three hundred twenty-two thousand sixteen
Scientific notation
8.1322016 × 10^7
Engineering notation
8.1322016 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 17 × 149489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5082626
Product of the distinct prime numbers
The prime factorization of 81322016 is 2 × 2 × 2 × 2 × 2 × 17 × 149489.
Since it has a total of 7 prime factors.
8 , 6 , 10 , 90 , 153 , 330 , 9376 , 846 , 5103 , 60412 , 148382 , 770326 , 5607007 , 4662738 , 14470222 , 98459238 , 13874800 , 458569156 , 247138073 , 1760880568
n×2
162644032
n×3
243966048
n×4
325288064
n×5
406610080
n÷2
40661008
n÷3
27107338.666667
n÷3
20330504
n÷5
16264403.2
n2
6613270286304256
n3
5.3780447203516E+23
n4
4.3735343879715E+31
n5
3.5566463347517E+39
2 √n
9017.8720328024
3 √n
433.24748016457
4 √n
94.962476972762
5 √n
38.198088208922
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 68 , 136 , 272 , 544 , 149489 , 298978 , 597956 , 1195912 , 2391824 , 2541313 , 4783648 , 5082626 , 10165252 , 20330504 , 40661008 , 81322016
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
-81322015
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 81322016 can be divided by 24 positive divisors.
The sum of these divisors (counting 81322016) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110001110000000100000
3
Ternary
12200000120211112
4
Quaternary
10312032000200
5
Quinary
131304301031
6
Senary
12023002452
8
Octal
466160040
10
Decimal
81322016
12
Duodecimal
23299428
16
Hexadecimal
4d8e020
20
Vigesimal
158550g
36
Base36
1cf0gw
md5
31eaa8f1755aa20aab4193b380c23939
sha1
5eeb72659f29bfd641301af2500fdcc95a4b9878
sha256
a283c7cc3b035ae19fb990235600115057af941045afb21fa1f4bcee55efaa56
sha512
948f3e45a9fd4377b8865908ab3d37e4da43886e74d35302d5a858c0561862fed8c34a72f2ba0e835bbcf2a15dd1875eadb97bd9fa843543093e8dc1c0a316c1
ripemd-160
d1f685158ea34c6325e8acfbbb4b718a73dfed73
Diameter
162644032
Circumference
510961296.08142
Area
2.0776201347657E+16
Volume
2.2527501045512E+24
Surface area
8.3104805390628E+16
Circumference
510961296.08142
Perimeter
325288064
Area
6613270286304256
Diagonal
115006697.94672
Surface area
39679621717825536
Volume
5.3780447203516E+23
Space diagonal
140853863.48593
Perimeter
243966048
Area
2.8636300350161E+15
Altitude
70426931.742965
Surface area
2.8636300350161E+15
Volume
6.3380864854752E+22
Height
38335565.982241