81133142 is an even 8-digits composite number following 81133141
and preceding 81133143 . In scientific notation, it is written as 8.1133142 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 39123552 positive integers (up to 81133142) that are relatively prime to 81133142.
81133142 has 16 divisors, whose sum is 126107280
The reverse of 81133142 is 24133118
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million one hundred thirty-three thousand one hundred forty-two
Scientific notation
8.1133142 × 10^7
Engineering notation
8.1133142 × 10^6
Prime Factorization
2 × 59 × 53 × 12973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81133142
Product of the distinct prime numbers
The prime factorization of 81133142 is 2 × 59 × 53 × 12973.
Since it has a total of 4 prime factors.
4 , 2 , 100 , 100 , 844 , 956 , 1450 , 3080 , 1206 , 86430 , 706157 , 838508 , 3883556 , 7255073 , 82197187 , 44722827 , 738102464 , 562870091 , 117501168 , 1167081428
n×2
162266284
n×3
243399426
n×4
324532568
n×5
405665710
n÷2
40566571
n÷3
27044380.666667
n÷3
20283285.5
n÷5
16226628.4
n2
6582586730792164
n3
5.3406594395668E+23
n4
4.3330448068401E+31
n5
3.5155353960572E+39
2 √n
9007.3937406999
3 √n
432.91180797679
4 √n
94.907290240002
5 √n
38.180328350182
1 , 2 , 53 , 59 , 106 , 118 , 3127 , 6254 , 12973 , 25946 , 687569 , 765407 , 1375138 , 1530814 , 40566571 , 81133142
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81133141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81133142 can be divided by 16 positive divisors.
The sum of these divisors (counting 81133142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011111111001010110
3
Ternary
12122122222202012
4
Quaternary
10311133321112
5
Quinary
131232230032
6
Senary
12014544222
8
Octal
465377126
10
Decimal
81133142
12
Duodecimal
23208072
16
Hexadecimal
4d5fe56
20
Vigesimal
1571ch2
36
Base36
1cayqe
md5
fad12b6a9fbecd54cb1ebdd2a5fab214
sha1
5746d4cb62e23d688b104e2a43e99bcb8b0e71fb
sha256
2858f3983b37b679c38f49383ec65961ea7962a3e9df15ec8d82953d9a02fa29
sha512
3a46d6808a1d3dea7596ca8501702d1ab537442ad906c10bab802cc0a753d85209ebe0c43adbd1667382c473b14e4da683a7a739ff6ce6f4aebeaaf49eda2ba7
ripemd-160
b417917027f9cd5aaf42ab2f545535b5d4139a3d
Diameter
162266284
Circumference
509774565.73971
Area
2.0679806115074E+16
Volume
2.2370901947557E+24
Surface area
8.2719224460297E+16
Circumference
509774565.73971
Perimeter
324532568
Area
6582586730792164
Diagonal
114739589.77434
Surface area
39495520384752984
Volume
5.3406594395668E+23
Space diagonal
140526724.1217
Perimeter
243399426
Area
2.8503436657402E+15
Altitude
70263362.06085
Surface area
2.8503436657402E+15
Volume
6.2940275095427E+22
Height
38246529.924781