81333650 is an even 8-digits composite number following 81333649
and preceding 81333651 . In scientific notation, it is written as 8.1333650 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 32533440 positive integers (up to 81333650) that are relatively prime to 81333650.
81333650 has 12 divisors, whose sum is 151280682
The reverse of 81333650 is 05633318
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million three hundred thirty-three thousand six hundred fifty
Scientific notation
8.1333650 × 10^7
Engineering notation
8.1333650 × 10^6
Prime Factorization
2 × 5 × 5 × 1626673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16266730
Product of the distinct prime numbers
The prime factorization of 81333650 is 2 × 5 × 5 × 1626673.
Since it has a total of 4 prime factors.
3 , 7 , 89 , 97 , 383 , 770 , 173 , 3500 , 77917 , 11458 , 840695 , 656070 , 5342791 , 3374572 , 74349542 , 81421153 , 867055832 , 648428043 , 4935501205 , 6212837000
n×2
162667300
n×3
244000950
n×4
325334600
n×5
406668250
n÷2
40666825
n÷3
27111216.666667
n÷3
20333412.5
n÷5
16266730
n2
6615162622322500
n3
5.3803532141706E+23
n4
4.3760376519773E+31
n5
3.5591911477274E+39
2 √n
9018.5170621339
3 √n
433.26813943615
4 √n
94.965873144693
5 √n
38.199181076886
1 , 2 , 5 , 10 , 25 , 50 , 1626673 , 3253346 , 8133365 , 16266730 , 40666825 , 81333650
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81333649
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81333650 can be divided by 12 positive divisors.
The sum of these divisors (counting 81333650) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110010000110110010010
3
Ternary
12200001011210102
4
Quaternary
10312100312102
5
Quinary
131310134100
6
Senary
12023132402
8
Octal
466206622
10
Decimal
81333650
12
Duodecimal
232a4102
16
Hexadecimal
4d90d92
20
Vigesimal
1586e2a
36
Base36
1cf9g2
md5
cfefa0d5361b3ae3a9dce74f0447dffc
sha1
c75df1e0c529e066827514e0e7cca9b698f58029
sha256
7337e7ac05f93ac517f7ea7ce285e9743021884e70b8b62be710b3a41895c2a0
sha512
6a26250837bf7fff289ef41e006223c63ddd0d419849ef50da2170086ae76c572882267bf0f9ee42a7fe42af94237b6e423de1af041520ed7770bf9992cb193b
ripemd-160
6f1d2510b560269f0e94eb3725eb3fea7085f0ca
Diameter
162667300
Circumference
511034394.65929
Area
2.078214629659E+16
Volume
2.2537170841809E+24
Surface area
8.3128585186361E+16
Circumference
511034394.65929
Perimeter
325334600
Area
6615162622322500
Diagonal
115023150.90731
Surface area
39690975733935000
Volume
5.3803532141706E+23
Space diagonal
140874014.16502
Perimeter
244000950
Area
2.8644494405483E+15
Altitude
70437007.082512
Surface area
2.8644494405483E+15
Volume
6.3408070715315E+22
Height
38341050.302435