81330996 is an even 8-digits composite number following 81330995
and preceding 81330997 . In scientific notation, it is written as 8.1330996 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 27110328 positive integers (up to 81330996) that are relatively prime to 81330996.
81330996 has 12 divisors, whose sum is 189772352
The reverse of 81330996 is 69903318
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million three hundred thirty thousand nine hundred ninety-six
Scientific notation
8.1330996 × 10^7
Engineering notation
8.1330996 × 10^6
Prime Factorization
2 × 2 × 3 × 6777583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40665498
Product of the distinct prime numbers
The prime factorization of 81330996 is 2 × 2 × 3 × 6777583.
Since it has a total of 4 prime factors.
3 , 2 , 82 , 29 , 83 , 486 , 2472 , 4670 , 95983 , 12040 , 510934 , 777454 , 4445218 , 8839837 , 96792999 , 22176413 , 464023526 , 303692712 , 4957839706 , 3767276255
n×2
162661992
n×3
243992988
n×4
325323984
n×5
406654980
n÷2
40665498
n÷3
27110332
n÷3
20332749
n÷5
16266199.2
n2
6614730910352016
n3
5.3798265321092E+23
n4
4.3754665016366E+31
n5
3.5586104854274E+39
2 √n
9018.369919226
3 √n
433.26342672438
4 √n
94.965098426875
5 √n
38.19893177798
1 , 2 , 3 , 4 , 6 , 12 , 6777583 , 13555166 , 20332749 , 27110332 , 40665498 , 81330996
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
-81330995
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 81330996 can be divided by 12 positive divisors.
The sum of these divisors (counting 81330996) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110010000001100110100
3
Ternary
12200001001011010
4
Quaternary
10312100030310
5
Quinary
131310042441
6
Senary
12023112220
8
Octal
466201464
10
Decimal
81330996
12
Duodecimal
232a2670
16
Hexadecimal
4d90334
20
Vigesimal
158679g
36
Base36
1cf7ec
md5
0c5effc505cc692d79fd4ee3478e5bf5
sha1
f2e0fe3dbb16fb290da2232c85f32ad959c87cd7
sha256
caa3652d6b4e74c42c9ac34c49653d2d1d15a297327a46d41d8523a066607ec4
sha512
d65b9c8f7cb1152d7897a63d03aafebe804401169c42acc043a068f0e86530f752af785a46a92f932ac3c87a5fd9102f0aa9cb1bf9209a1252b1d5a1b2ae1683
ripemd-160
b38182e83d27c973f51ca61ad191f1a0bed8b9ba
Diameter
162661992
Circumference
511017719.08548
Area
2.0780790033435E+16
Volume
2.2534964681149E+24
Surface area
8.3123160133741E+16
Circumference
511017719.08548
Perimeter
325323984
Area
6614730910352016
Diagonal
115019397.58451
Surface area
39688385462112096
Volume
5.3798265321092E+23
Space diagonal
140869417.30218
Perimeter
243992988
Area
2.8642625037815E+15
Altitude
70434708.651091
Surface area
2.8642625037815E+15
Volume
6.3401863707695E+22
Height
38339799.194837