81127772 is an even 8-digits composite number following 81127771
and preceding 81127773 . In scientific notation, it is written as 8.1127772 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 36460160 positive integers (up to 81127772) that are relatively prime to 81127772.
81127772 has 24 divisors, whose sum is 156628080
The reverse of 81127772 is 27772118
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million one hundred twenty-seven thousand seven hundred seventy-two
Scientific notation
8.1127772 × 10^7
Engineering notation
8.1127772 × 10^6
Prime Factorization
2 × 2 × 11 × 89 × 20717
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40563886
Product of the distinct prime numbers
The prime factorization of 81127772 is 2 × 2 × 11 × 89 × 20717.
Since it has a total of 5 prime factors.
3 , 7 , 1 , 89 , 658 , 9 , 4854 , 4802 , 4036 , 22091 , 973382 , 44363 , 1634826 , 8567872 , 83755098 , 68928363 , 558362677 , 992785116 , 5200717954 , 8598853710
n×2
162255544
n×3
243383316
n×4
324511088
n×5
405638860
n÷2
40563886
n÷3
27042590.666667
n÷3
20281943
n÷5
16225554.4
n2
6581715389683984
n3
5.3395990550317E+23
n4
4.3318977470803E+31
n5
3.5143721275244E+39
2 √n
9007.0956473216
3 √n
432.90225664901
4 √n
94.905719781906
5 √n
38.179822924688
1 , 2 , 4 , 11 , 22 , 44 , 89 , 178 , 356 , 979 , 1958 , 3916 , 20717 , 41434 , 82868 , 227887 , 455774 , 911548 , 1843813 , 3687626 , 7375252 , 20281943 , 40563886 , 81127772
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
-81127771
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 81127772 can be divided by 24 positive divisors.
The sum of these divisors (counting 81127772) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101011110100101011100
3
Ternary
12122122201101022
4
Quaternary
10311132211130
5
Quinary
131232042042
6
Senary
12014503312
8
Octal
465364534
10
Decimal
81127772
12
Duodecimal
23204b38
16
Hexadecimal
4d5e95c
20
Vigesimal
1570j8c
36
Base36
1caul8
md5
76c7117aae83428ed24014e351778dc1
sha1
876a60bc00ed423235225bcca7fe3316f9c8cec9
sha256
2396492a093a342c75c27b61e7a31567eaa85e1738e507a7d6812b0ff37b5a43
sha512
52ce5174b29ffc8227dd8386ec85cb7c2f5e269801ec7ad74fda0f73bb996826645f144f9b89c88b6a7ecc32e2c276e49ee3a80c216ff9f59a2b0e0b942b8b94
ripemd-160
19991c511a029143d2fdd2120d814a706a3246b0
Diameter
162255544
Circumference
509740825.03462
Area
2.067706871625E+16
Volume
2.2366460219204E+24
Surface area
8.2708274865E+16
Circumference
509740825.03462
Perimeter
324511088
Area
6581715389683984
Diagonal
114731995.44751
Surface area
39490292338103904
Volume
5.3395990550317E+23
Space diagonal
140517423.00886
Perimeter
243383316
Area
2.8499663639727E+15
Altitude
70258711.504432
Surface area
2.8499663639727E+15
Volume
6.2927778343837E+22
Height
38243998.482504