81332904 is an even 8-digits composite number following 81332903
and preceding 81332905 . In scientific notation, it is written as 8.1332904 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 26980800 positive integers (up to 81332904) that are relatively prime to 81332904.
81332904 has 32 divisors, whose sum is 204308640
The reverse of 81332904 is 40923318
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million three hundred thirty-two thousand nine hundred four
Scientific notation
8.1332904 × 10^7
Engineering notation
8.1332904 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 211 × 16061
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20333226
Product of the distinct prime numbers
The prime factorization of 81332904 is 2 × 2 × 2 × 3 × 211 × 16061.
Since it has a total of 6 prime factors.
9 , 8 , 39 , 98 , 609 , 529 , 5630 , 9473 , 89105 , 16590 , 360288 , 78258 , 284601 , 3382329 , 32089719 , 65911343 , 382000159 , 424148970 , 3836844775 , 7841403626
n×2
162665808
n×3
243998712
n×4
325331616
n×5
406664520
n÷2
40666452
n÷3
27110968
n÷3
20333226
n÷5
16266580.8
n2
6615041273073216
n3
5.380205168189E+23
n4
4.3758771044462E+31
n5
3.5590279245172E+39
2 √n
9018.4757026895
3 √n
433.2668147732
4 √n
94.965655384931
5 √n
38.199111003322
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 211 , 422 , 633 , 844 , 1266 , 1688 , 2532 , 5064 , 16061 , 32122 , 48183 , 64244 , 96366 , 128488 , 192732 , 385464 , 3388871 , 6777742 , 10166613 , 13555484 , 20333226 , 27110968 , 40666452 , 81332904
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
-81332903
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 81332904 can be divided by 32 positive divisors.
The sum of these divisors (counting 81332904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010000101010101000
3
Ternary
12200001010202210
4
Quaternary
10312100222220
5
Quinary
131310123104
6
Senary
12023125120
8
Octal
466205250
10
Decimal
81332904
12
Duodecimal
232a37a0
16
Hexadecimal
4d90aa8
20
Vigesimal
1586c54
36
Base36
1cf8vc
md5
e8430005a603768f090ae74329b5d8e3
sha1
691e7bd3041b484303ecbfdb490b698a404e5254
sha256
356798ec02db39e3b389e217397f2feb27570d28fa316d67215078d963448747
sha512
4c846b1b25b8d83d3c418b5666bc9380686d82522bfee92f63d1e94fcbef3bdbd327f8486c6f5c0e7f4c35c927346d3d2cb8ab46452307b19122a945c9f6363f
ripemd-160
61a915ccbe4c1568b4bab9c2e86e5a1837909be7
Diameter
162665808
Circumference
511029707.40305
Area
2.078176506668E+16
Volume
2.2536550708251E+24
Surface area
8.312706026672E+16
Circumference
511029707.40305
Perimeter
325331616
Area
6615041273073216
Diagonal
115022095.90399
Surface area
39690247638439296
Volume
5.380205168189E+23
Space diagonal
140872722.05512
Perimeter
243998712
Area
2.864396894782E+15
Altitude
70436361.027561
Surface area
2.864396894782E+15
Volume
6.3406325976689E+22
Height
38340698.634663