81127629 is an odd 8-digits composite number following 81127628
and preceding 81127630 . In scientific notation, it is written as 8.1127629 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 49168080 positive integers (up to 81127629) that are relatively prime to 81127629.
81127629 has 8 divisors, whose sum is 92873720
The reverse of 81127629 is 92672118
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million one hundred twenty-seven thousand six hundred twenty-nine
Scientific notation
8.1127629 × 10^7
Engineering notation
8.1127629 × 10^6
Prime Factorization
33 × 9 × 273157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81127629
Product of the distinct prime numbers
The prime factorization of 81127629 is 33 × 9 × 273157.
Since it has a total of 3 prime factors.
1 , 8 , 28 , 44 , 600 , 399 , 9253 , 9519 , 80607 , 46945 , 324020 , 624948 , 7633680 , 889174 , 27903132 , 36448041 , 957428693 , 906207621 , 3050190612 , 8063780122
n×2
162255258
n×3
243382887
n×4
324510516
n×5
405638145
n÷2
40563814.5
n÷3
27042543
n÷3
20281907.25
n÷5
16225525.8
n2
6581692187161641
n3
5.3395708195225E+23
n4
4.3318672046545E+31
n5
3.5143411545647E+39
2 √n
9007.0877091322
3 √n
432.9020022969
4 √n
94.905677960448
5 √n
38.179809465133
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
-81127628
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 81127629 can be divided by 8 positive divisors.
The sum of these divisors (counting 81127629) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011110100011001101
3
Ternary
12122122201012000
4
Quaternary
10311132203031
5
Quinary
131232041004
6
Senary
12014502513
8
Octal
465364315
10
Decimal
81127629
12
Duodecimal
23204a39
16
Hexadecimal
4d5e8cd
20
Vigesimal
1570j19
36
Base36
1cauh9
md5
fd93a7b99c4a7c0726924d76184132fe
sha1
3930eaf6dce72e0b556c4671a2a01edb98ebd848
sha256
736dc110d2d28a19e71b47b6990b11682f296e0f27d249fc150ff7be5028b3f0
sha512
01d10350b1ecc0c069c4a0796915fcd407303ccbca78c5a557280c174e962a23810900efe758b172ca9da0c8efd6c1caf99dc8d3b87fbbf3a6bf3445baacb635
ripemd-160
d63c8eb90b7a4c2c96c3676bb3ec78585859b422
Diameter
162255258
Circumference
509739926.53912
Area
2.0676995823376E+16
Volume
2.2366341946579E+24
Surface area
8.2707983293505E+16
Circumference
509739926.53912
Perimeter
324510516
Area
6581692187161641
Diagonal
114731793.21497
Surface area
39490153122969846
Volume
5.3395708195225E+23
Space diagonal
140517175.3256
Perimeter
243382887
Area
2.8499563169858E+15
Altitude
70258587.662799
Surface area
2.8499563169858E+15
Volume
6.2927445585169E+22
Height
38243931.071658