81330798 is an even 8-digits composite number following 81330797
and preceding 81330799 . In scientific notation, it is written as 8.1330798 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 26287040 positive integers (up to 81330798) that are relatively prime to 81330798.
81330798 has 32 divisors, whose sum is 167650560
The reverse of 81330798 is 89703318
Previous prime number is 1847
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million three hundred thirty thousand seven hundred ninety-eight
Scientific notation
8.1330798 × 10^7
Engineering notation
8.1330798 × 10^6
Prime Factorization
2 × 3 × 41 × 1847 × 179
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81330798
Product of the distinct prime numbers
The prime factorization of 81330798 is 2 × 3 × 41 × 1847 × 179.
Since it has a total of 5 prime factors.
2 , 5 , 43 , 99 , 207 , 908 , 4842 , 8494 , 2440 , 93322 , 888036 , 759283 , 6358855 , 9083179 , 80348228 , 5583464 , 819854061 , 322423100 , 7648017276 , 3279042246
n×2
162661596
n×3
243992394
n×4
325323192
n×5
406653990
n÷2
40665399
n÷3
27110266
n÷3
20332699.5
n÷5
16266159.6
n2
6614698703316804
n3
5.3797872407032E+23
n4
4.3754238935661E+31
n5
3.55856716852E+39
2 √n
9018.3589416257
3 √n
433.26307513138
4 √n
94.965040628779
5 √n
38.198913178931
1 , 2 , 3 , 6 , 41 , 82 , 123 , 179 , 246 , 358 , 537 , 1074 , 1847 , 3694 , 5541 , 7339 , 11082 , 14678 , 22017 , 44034 , 75727 , 151454 , 227181 , 330613 , 454362 , 661226 , 991839 , 1983678 , 13555133 , 27110266 , 40665399 , 81330798
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
-81330797
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 81330798 can be divided by 32 positive divisors.
The sum of these divisors (counting 81330798) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010000001001101110
3
Ternary
12200001000212210
4
Quaternary
10312100021232
5
Quinary
131310041143
6
Senary
12023111250
8
Octal
466201156
10
Decimal
81330798
12
Duodecimal
232a2526
16
Hexadecimal
4d9026e
20
Vigesimal
15866ji
36
Base36
1cf78u
md5
105e832d2d3326c0fa2821eaae2f8a40
sha1
191320b8a416198f9e0a9f8dbe88641d243260bd
sha256
c7b432fdf0ff0432a26fd63d2a02d982e2e9b586517b75a71ab1042afca005b6
sha512
9bc7d38d3cb1e80c7121a6d70ad79338c960be2ea4abafe6a418295c0d97fe904bc87af67880d11809d8dff0951a1026d3c18b4c3acb8efc7cf9e89b93521ce8
ripemd-160
8f9cd797137a8da45844678ed37ef169aa958535
Diameter
162661596
Circumference
511016475.01479
Area
2.078068885205E+16
Volume
2.2534800097692E+24
Surface area
8.31227554082E+16
Circumference
511016475.01479
Perimeter
325323192
Area
6614698703316804
Diagonal
115019117.57023
Surface area
39688192219900824
Volume
5.3797872407032E+23
Space diagonal
140869074.35612
Perimeter
243992394
Area
2.8642485577262E+15
Altitude
70434537.178061
Surface area
2.8642485577262E+15
Volume
6.3401400654035E+22
Height
38339705.856742