81342008 is an even 8-digits composite number following 81342007
and preceding 81342009 . In scientific notation, it is written as 8.1342008 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors.
There are 34791680 positive integers (up to 81342008) that are relatively prime to 81342008.
81342008 has 32 divisors, whose sum is 167304960
The reverse of 81342008 is 80024318
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million three hundred forty-two thousand eight
Scientific notation
8.1342008 × 10^7
Engineering notation
8.1342008 × 10^6
Prime Factorization
2 × 2 × 2 × 187 × 11 × 4943
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20335502
Product of the distinct prime numbers
The prime factorization of 81342008 is 2 × 2 × 2 × 187 × 11 × 4943.
Since it has a total of 6 prime factors.
4 , 7 , 18 , 26 , 530 , 666 , 4903 , 2654 , 36156 , 28114 , 872830 , 821878 , 342614 , 7559190 , 93490881 , 66614141 , 830114404 , 828378481 , 3787921738 , 9407712514
n×2
162684016
n×3
244026024
n×4
325368032
n×5
406710040
n÷2
40671004
n÷3
27114002.666667
n÷3
20335502
n÷5
16268401.6
n2
6616522265472064
n3
5.3820120705021E+23
n4
4.3778366889488E+31
n5
3.5610202697516E+39
2 √n
9018.9804301817
3 √n
433.2829800795
4 √n
94.968312768953
5 √n
38.199966128664
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 187 , 374 , 748 , 1496 , 2057 , 4114 , 4943 , 8228 , 9886 , 16456 , 19772 , 39544 , 54373 , 108746 , 217492 , 434984 , 924341 , 1848682 , 3697364 , 7394728 , 10167751 , 20335502 , 40671004 , 81342008
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
-81342007
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 81342008 can be divided by 32 positive divisors.
The sum of these divisors (counting 81342008) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010010111000111000
3
Ternary
12200001121020222
4
Quaternary
10312102320320
5
Quinary
131310421013
6
Senary
12023235212
8
Octal
466227070
10
Decimal
81342008
12
Duodecimal
232a8b08
16
Hexadecimal
4d92e38
20
Vigesimal
1587f08
36
Base36
1cffw8
md5
85e3d053b3f0e0fbf052189af845e895
sha1
e973b1182bb0ca1ebfeebf11d1e81a408d8a9df4
sha256
22e357b948c59b9ee13cb0891f304d6c93aa68497f33be7abd5490e6e668b8ad
sha512
d375ed62080659441d701066128344c07df6ea882a9efab5edd6142c553c003cb3a94d3633ce1bf295acaf4bfba14c4f19bd84394178911a8184e9813d77b25a
ripemd-160
8d48a41fbc74f8bc7734f5cfa77827a6cc44e048
Diameter
162684016
Circumference
511086909.52208
Area
2.078641774152E+16
Volume
2.2544119442961E+24
Surface area
8.3145670966081E+16
Circumference
511086909.52208
Perimeter
325368032
Area
6616522265472064
Diagonal
115034970.90426
Surface area
39699133592832384
Volume
5.3820120705021E+23
Space diagonal
140888490.64567
Perimeter
244026024
Area
2.8650381833021E+15
Altitude
70444245.322837
Surface area
2.8650381833021E+15
Volume
6.3427620524664E+22
Height
38344990.30142