81124516 is an even 8-digits composite number following 81124515
and preceding 81124517 . In scientific notation, it is written as 8.1124516 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 36768480 positive integers (up to 81124516) that are relatively prime to 81124516.
81124516 has 24 divisors, whose sum is 155320704
The reverse of 81124516 is 61542118
Previous prime number is 373
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million one hundred twenty-four thousand five hundred sixteen
Scientific notation
8.1124516 × 10^7
Engineering notation
8.1124516 × 10^6
Prime Factorization
2 × 2 × 11 × 373 × 4943
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40562258
Product of the distinct prime numbers
The prime factorization of 81124516 is 2 × 2 × 11 × 373 × 4943.
Since it has a total of 5 prime factors.
3 , 3 , 52 , 54 , 553 , 44 , 2618 , 9861 , 44172 , 29487 , 611589 , 460013 , 1007194 , 4680039 , 92434650 , 44329618 , 424088777 , 905282865 , 7529131272 , 872045360
n×2
162249032
n×3
243373548
n×4
324498064
n×5
405622580
n÷2
40562258
n÷3
27041505.333333
n÷3
20281129
n÷5
16224903.2
n2
6581187096234256
n3
5.3389561788745E+23
n4
4.331202359564E+31
n5
3.5136669511769E+39
2 √n
9006.9148991206
3 √n
432.89646517312
4 √n
94.904767525771
5 √n
38.179516456272
1 , 2 , 4 , 11 , 22 , 44 , 373 , 746 , 1492 , 4103 , 4943 , 8206 , 9886 , 16412 , 19772 , 54373 , 108746 , 217492 , 1843739 , 3687478 , 7374956 , 20281129 , 40562258 , 81124516
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81124515
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81124516 can be divided by 24 positive divisors.
The sum of these divisors (counting 81124516) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101011101110010100100
3
Ternary
12122122112220201
4
Quaternary
10311131302210
5
Quinary
131231441031
6
Senary
12014440244
8
Octal
465356244
10
Decimal
81124516
12
Duodecimal
23203084
16
Hexadecimal
4d5dca4
20
Vigesimal
1570b5g
36
Base36
1cas2s
md5
154b79c4b241f0e3b5a1b54b4da4abf5
sha1
3dce7aa0162e9a961d8c008fe26a5cb547285fb6
sha256
f72597f4e46653c7153edab339fefdac4f2be0c264ce9ae2effe994dfdfcecd0
sha512
d0fcba5e3311fb1f752aa65106e578fcb1a58488454d592e9435b02a4f1afb33bec3cddbd39a1764a6075c4010808c6824b9f15e2f958269239c6f1900dbfaf1
ripemd-160
238bbfe8f3615ec14a2c530c798b94c382c78b68
Diameter
162249032
Circumference
509720366.98326
Area
2.0675409033429E+16
Volume
2.2363767345853E+24
Surface area
8.2701636133718E+16
Circumference
509720366.98326
Perimeter
324498064
Area
6581187096234256
Diagonal
114727390.76815
Surface area
39487122577405536
Volume
5.3389561788745E+23
Space diagonal
140511783.45143
Perimeter
243373548
Area
2.8497376061986E+15
Altitude
70255891.725717
Surface area
2.8497376061986E+15
Volume
6.2920201975666E+22
Height
38242463.589384