81330270 is an even 8-digits composite number following 81330269
and preceding 81330271 . In scientific notation, it is written as 8.1330270 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 18501120 positive integers (up to 81330270) that are relatively prime to 81330270.
81330270 has 32 divisors, whose sum is 168106752
The reverse of 81330270 is 07203318
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million three hundred thirty thousand two hundred seventy
Scientific notation
8.1330270 × 10^7
Engineering notation
8.1330270 × 10^6
Prime Factorization
2 × 35 × 3 × 241 × 1607
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81330270
Product of the distinct prime numbers
The prime factorization of 81330270 is 2 × 35 × 3 × 241 × 1607.
Since it has a total of 5 prime factors.
8 , 5 , 3 , 77 , 988 , 221 , 5615 , 8451 , 16048 , 75831 , 495941 , 293774 , 6166679 , 7924220 , 60461245 , 57030068 , 264035678 , 986419728 , 7461151915 , 3110752240
n×2
162660540
n×3
243990810
n×4
325321080
n×5
406651350
n÷2
40665135
n÷3
27110090
n÷3
20332567.5
n÷5
16266054
n2
6614612818272900
n3
5.379682464556E+23
n4
4.375310273566E+31
n5
3.558451658829E+39
2 √n
9018.3296679596
3 √n
433.26213754724
4 √n
94.964886500009
5 √n
38.19886358129
1 , 2 , 3 , 6 , 35 , 70 , 105 , 210 , 241 , 482 , 723 , 1446 , 1607 , 3214 , 4821 , 8435 , 9642 , 16870 , 25305 , 50610 , 56245 , 112490 , 168735 , 337470 , 387287 , 774574 , 1161861 , 2323722 , 13555045 , 27110090 , 40665135 , 81330270
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81330269
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330270 can be divided by 32 positive divisors.
The sum of these divisors (counting 81330270) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010000000001011110
3
Ternary
12200001000011020
4
Quaternary
10312100001132
5
Quinary
131310032040
6
Senary
12023105010
8
Octal
466200136
10
Decimal
81330270
12
Duodecimal
232a2166
16
Hexadecimal
4d9005e
20
Vigesimal
15865da
36
Base36
1cf6u6
md5
c0c3f49d6f46bd18cb068abfe8e8c417
sha1
05df593f3296a4b16de083322e51f7173f383c60
sha256
4dc625e28e28af8c6549750d8c1c330bf0b0daefa75b45c6f915092b9f4edffe
sha512
07c38b464331b5f39c3a196e9cec87d04b6eaa0387d82915a81d205096ef6b8356ad1cd2fde2c15bb757dedd754a5a0df744271f3b9025d244af123b783ac271
ripemd-160
eb2892c7a270b4d55023d102e4bfde500e9c0f48
Diameter
162660540
Circumference
511013157.49295
Area
2.0780419036227E+16
Volume
2.2534361212393E+24
Surface area
8.3121676144908E+16
Circumference
511013157.49295
Perimeter
325321080
Area
6614612818272900
Diagonal
115018370.86547
Surface area
39687676909637400
Volume
5.379682464556E+23
Space diagonal
140868159.83329
Perimeter
243990810
Area
2.8642113684113E+15
Altitude
70434079.916647
Surface area
2.8642113684113E+15
Volume
6.3400165855298E+22
Height
38339456.955155