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 4 prime factors and 16 positive divisors.
There are 49168080 positive integers (up to 81127629) that are relatively prime to 81127629.
81127629 has 16 divisors, whose sum is 131115840
The reverse of 81127629 is 92672118
Previous prime number is 11
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
3 × 9 × 11 × 273157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81127629
Product of the distinct prime numbers
The prime factorization of 81127629 is 3 × 9 × 11 × 273157.
Since it has a total of 4 prime factors.
4 , 1 , 70 , 34 , 743 , 618 , 4234 , 7604 , 55982 , 43354 , 515123 , 789469 , 3215432 , 1997967 , 67399201 , 56348168 , 704688764 , 936484432 , 7450574868 , 7578568353
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
1 , 3 , 9 , 11 , 27 , 33 , 99 , 297 , 273157 , 819471 , 2458413 , 3004727 , 7375239 , 9014181 , 27042543 , 81127629
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
-81127628
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 81127629 can be divided by 16 positive divisors.
The sum of these divisors (counting 81127629) is 1, the average is 0.0625.
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