81124562 is an even 8-digits composite number following 81124561
and preceding 81124563 . In scientific notation, it is written as 8.1124562 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 40338000 positive integers (up to 81124562) that are relatively prime to 81124562.
81124562 has 8 divisors, whose sum is 122359692
The reverse of 81124562 is 26542118
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million one hundred twenty-four thousand five hundred sixty-two
Scientific notation
8.1124562 × 10^7
Engineering notation
8.1124562 × 10^6
Prime Factorization
2 × 181 × 224101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81124562
Product of the distinct prime numbers
The prime factorization of 81124562 is 2 × 181 × 224101.
Since it has a total of 3 prime factors.
8 , 1 , 92 , 84 , 89 , 196 , 3881 , 9518 , 21381 , 77775 , 734834 , 217352 , 2990344 , 963087 , 62182204 , 90248759 , 789337512 , 525522365 , 2469638176 , 7080021665
n×2
162249124
n×3
243373686
n×4
324498248
n×5
405622810
n÷2
40562281
n÷3
27041520.666667
n÷3
20281140.5
n÷5
16224912.4
n2
6581194559691844
n3
5.3389652609178E+23
n4
4.3312121832518E+31
n5
3.5136769129536E+39
2 √n
9006.9174527138
3 √n
432.89654699481
4 √n
94.90478097922
5 √n
38.179520786054
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81124561
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81124562 can be divided by 8 positive divisors.
The sum of these divisors (counting 81124562) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011101110011010010
3
Ternary
12122122112222102
4
Quaternary
10311131303102
5
Quinary
131231441222
6
Senary
12014440402
8
Octal
465356322
10
Decimal
81124562
12
Duodecimal
23203102
16
Hexadecimal
4d5dcd2
20
Vigesimal
1570b82
36
Base36
1cas42
md5
0acccec767125d921c51867387144f98
sha1
c343eaf68d7b6fa18379add4efec33e8b189e61c
sha256
6930580b956505008db0dd73833009d1537c07b3ccdc04fab4fed0c57b41f64b
sha512
b7b0827659a28a5c859c1e1d1fe7a3f5606c14db608ec196f3df86cd5f6ddd1de5967f62e5cefbd772574f0e58e0ee6401b01fd9a5411a3a8cff59f3397dc568
ripemd-160
01c0d445cffc61c8434faef069a7b7736b8d6b6b
Diameter
162249124
Circumference
509720656.00978
Area
2.0675432480573E+16
Volume
2.2363805388627E+24
Surface area
8.2701729922292E+16
Circumference
509720656.00978
Perimeter
324498248
Area
6581194559691844
Diagonal
114727455.82198
Surface area
39487167358151064
Volume
5.3389652609178E+23
Space diagonal
140511863.12577
Perimeter
243373686
Area
2.8497408379705E+15
Altitude
70255931.562886
Surface area
2.8497408379705E+15
Volume
6.2920309008573E+22
Height
38242485.273992