81551133 is an odd 8-digits composite number following 81551132
and preceding 81551134 . In scientific notation, it is written as 8.1551133 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 54367416 positive integers (up to 81551133) that are relatively prime to 81551133.
81551133 has 4 divisors, whose sum is 90612380
The reverse of 81551133 is 33115518
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million five hundred fifty-one thousand one hundred thirty-three
Scientific notation
8.1551133 × 10^7
Engineering notation
8.1551133 × 10^6
Prime Factorization
9 × 9061237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81551133
Product of the distinct prime numbers
The prime factorization of 81551133 is 9 × 9061237.
Since it has a total of 2 prime factors.
4 , 2 , 54 , 10 , 302 , 533 , 8581 , 7890 , 78213 , 25928 , 99788 , 323686 , 8203387 , 1588018 , 40353119 , 93323809 , 448321370 , 127993514 , 8291746640 , 1328235678
n×2
163102266
n×3
244653399
n×4
326204532
n×5
407755665
n÷2
40775566.5
n÷3
27183711
n÷3
20387783.25
n÷5
16310226.6
n2
6650587293583689
n3
5.4236292890715E+23
n4
4.4230311349577E+31
n5
3.6070320035007E+39
2 √n
9030.56659352
3 √n
433.653976424
4 √n
95.029293344316
5 √n
38.219587885067
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81551132
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81551133 can be divided by 4 positive divisors.
The sum of these divisors (counting 81551133) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111000101111100011101
3
Ternary
12200110020010100
4
Quaternary
10313011330131
5
Quinary
131334114013
6
Senary
12031531313
8
Octal
467057435
10
Decimal
81551133
12
Duodecimal
23389b39
16
Hexadecimal
4dc5f1d
20
Vigesimal
159dhgd
36
Base36
1cjx99
md5
c4ee4a99c32a6853967099b52da4f1fc
sha1
b22f097ca0c4344889251ad45df2f0e0ab74a6ff
sha256
3dba925625a18be9fa2b14b7ee75fafd4e20c96003652f98f282b1ce5998c681
sha512
bb7c0dce58cfb05e05b2f6f7594293ebb08f3e0df80bae66e0341fcc1e3cde94bb6425f582bd512407a75ceddf429b87c406b71bce7c84c784aaf6ac5f7ca9f7
ripemd-160
75c13f57eae2097fb22c74d40fd83c5d49fc4049
Diameter
163102266
Circumference
512400880.64945
Area
2.089343618358E+16
Volume
2.2718445240455E+24
Surface area
8.3573744734321E+16
Circumference
512400880.64945
Perimeter
326204532
Area
6650587293583689
Diagonal
115330718.31549
Surface area
39903523761502134
Volume
5.4236292890715E+23
Space diagonal
141250705.77081
Perimeter
244653399
Area
2.8797887731647E+15
Altitude
70625352.885403
Surface area
2.8797887731647E+15
Volume
6.3918084149074E+22
Height
38443572.771831