81330606 is an even 8-digits composite number following 81330605
and preceding 81330607 . In scientific notation, it is written as 8.1330606 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 23237280 positive integers (up to 81330606) that are relatively prime to 81330606.
81330606 has 16 divisors, whose sum is 154915680
The reverse of 81330606 is 60603318
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million three hundred thirty thousand six hundred six
Scientific notation
8.1330606 × 10^7
Engineering notation
8.1330606 × 10^6
Prime Factorization
2 × 7 × 9 × 645481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81330606
Product of the distinct prime numbers
The prime factorization of 81330606 is 2 × 7 × 9 × 645481.
Since it has a total of 4 prime factors.
8 , 10 , 96 , 72 , 761 , 818 , 6233 , 6615 , 74366 , 31382 , 288282 , 915953 , 4127399 , 273958 , 64882514 , 48805810 , 947625646 , 256252246 , 695444755 , 1134627635
n×2
162661212
n×3
243991818
n×4
325322424
n×5
406653030
n÷2
40665303
n÷3
27110202
n÷3
20332651.5
n÷5
16266121.2
n2
6614667472327236
n3
5.3797491401286E+23
n4
4.3753825769464E+31
n5
3.5585251646489E+39
2 √n
9018.3482966672
3 √n
433.26273419216
4 √n
94.964984582041
5 √n
38.198895143455
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 645481 , 1290962 , 4518367 , 5809329 , 9036734 , 11618658 , 40665303 , 81330606
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
-81330605
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 81330606 can be divided by 16 positive divisors.
The sum of these divisors (counting 81330606) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010000000110101110
3
Ternary
12200001000121200
4
Quaternary
10312100012232
5
Quinary
131310034411
6
Senary
12023110330
8
Octal
466200656
10
Decimal
81330606
12
Duodecimal
232a23a6
16
Hexadecimal
4d901ae
20
Vigesimal
15866a6
36
Base36
1cf73i
md5
0d370a52e86dde485819ce6b86b213c7
sha1
29d56e8f2f6428936f8e83e88830fb9b25ea5124
sha256
559469b9ee52d265260888d95fd6a824c2120a0a1ab2bb15eb200717d813d9a0
sha512
f9ae1b5a63564ff10b2b1547c7ab0e2788a4d9e4a2d747cf81a483d6142236f97a3a3e11c75e8928141bbda395cfa3f0843f3720e2ea05427720b9751c5c7372
ripemd-160
faad6099b516cc67cd1ad788504f6578c0cf3a2b
Diameter
162661212
Circumference
511015268.64321
Area
2.0780590737003E+16
Volume
2.2534640502379E+24
Surface area
8.312236294801E+16
Circumference
511015268.64321
Perimeter
325322424
Area
6614667472327236
Diagonal
115018846.04122
Surface area
39688004833963416
Volume
5.3797491401286E+23
Space diagonal
140868741.80237
Perimeter
243991818
Area
2.864235034311E+15
Altitude
70434370.901183
Surface area
2.864235034311E+15
Volume
6.3400951634457E+22
Height
38339615.347074