81342654 is an even 8-digits composite number following 81342653
and preceding 81342655 . In scientific notation, it is written as 8.1342654 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 25328640 positive integers (up to 81342654) that are relatively prime to 81342654.
81342654 has 32 divisors, whose sum is 173542176
The reverse of 81342654 is 45624318
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million three hundred forty-two thousand six hundred fifty-four
Scientific notation
8.1342654 × 10^7
Engineering notation
8.1342654 × 10^6
Prime Factorization
2 × 3 × 17 × 137 × 5821
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81342654
Product of the distinct prime numbers
The prime factorization of 81342654 is 2 × 3 × 17 × 137 × 5821.
Since it has a total of 5 prime factors.
1 , 9 , 21 , 50 , 62 , 799 , 1677 , 7605 , 64804 , 44686 , 465788 , 956629 , 9956784 , 2126709 , 5695077 , 16855103 , 1928816 , 319336197 , 1290205242 , 2356408097
n×2
162685308
n×3
244027962
n×4
325370616
n×5
406713270
n÷2
40671327
n÷3
27114218
n÷3
20335663.5
n÷5
16268530.8
n2
6616627359763716
n3
5.3821402997219E+23
n4
4.3779757617974E+31
n5
3.5611616761227E+39
2 √n
9019.0162434713
3 √n
433.28412708857
4 √n
94.968501322656
5 √n
38.200026803586
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 137 , 274 , 411 , 822 , 2329 , 4658 , 5821 , 6987 , 11642 , 13974 , 17463 , 34926 , 98957 , 197914 , 296871 , 593742 , 797477 , 1594954 , 2392431 , 4784862 , 13557109 , 27114218 , 40671327 , 81342654
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
-81342653
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 81342654 can be divided by 32 positive divisors.
The sum of these divisors (counting 81342654) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010011000010111110
3
Ternary
12200001122010220
4
Quaternary
10312103002332
5
Quinary
131310431104
6
Senary
12023242210
8
Octal
466230276
10
Decimal
81342654
12
Duodecimal
232a9366
16
Hexadecimal
4d930be
20
Vigesimal
1587gce
36
Base36
1cfge6
md5
ffd1d88ae4b0697ff06d33a33a019630
sha1
eba4e938a5c1cd93538ffada2d0014e73dfdb89f
sha256
94450edd865283728c92feecd4489a71054b8d457d0d5179f73fd4a78396543c
sha512
3c165381cca72cabd7b72290a13fe15bf6a28bae306138a7bdd344bda3db7c8e6890572bbff1723f227bd52e5020d1263ee1b11c5302c5e356511a7331b25ca1
ripemd-160
b60231c33fce6595d2998281455e66f24f582082
Diameter
162685308
Circumference
511090968.45979
Area
2.0786747904975E+16
Volume
2.2544656568261E+24
Surface area
8.31469916199E+16
Circumference
511090968.45979
Perimeter
325370616
Area
6616627359763716
Diagonal
115035884.48622
Surface area
39699764158582296
Volume
5.3821402997219E+23
Space diagonal
140889609.5505
Perimeter
244027962
Area
2.8650836904653E+15
Altitude
70444804.775248
Surface area
2.8650836904653E+15
Volume
6.3429131720513E+22
Height
38345294.828741