81551134 is an even 8-digits composite number following 81551133
and preceding 81551135 . In scientific notation, it is written as 8.1551134 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 34137432 positive integers (up to 81551134) that are relatively prime to 81551134.
81551134 has 16 divisors, whose sum is 143054208
The reverse of 81551134 is 43115518
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million five hundred fifty-one thousand one hundred thirty-four
Scientific notation
8.1551134 × 10^7
Engineering notation
8.1551134 × 10^6
Prime Factorization
2 × 7 × 43 × 135467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81551134
Product of the distinct prime numbers
The prime factorization of 81551134 is 2 × 7 × 43 × 135467.
Since it has a total of 4 prime factors.
5 , 3 , 53 , 30 , 209 , 398 , 5237 , 9281 , 39895 , 30307 , 71441 , 325569 , 4743327 , 5627061 , 20364000 , 84640661 , 192860191 , 807909051 , 4076611162 , 4843737782
n×2
163102268
n×3
244653402
n×4
326204536
n×5
407755670
n÷2
40775567
n÷3
27183711.333333
n÷3
20387783.5
n÷5
16310226.8
n2
6650587456685956
n3
5.4236294885892E+23
n4
4.4230313519029E+31
n5
3.6070322246523E+39
2 √n
9030.5666488875
3 √n
433.65397819652
4 √n
95.029293635634
5 √n
38.219587978799
1 , 2 , 7 , 14 , 43 , 86 , 301 , 602 , 135467 , 270934 , 948269 , 1896538 , 5825081 , 11650162 , 40775567 , 81551134
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
-81551133
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 81551134 can be divided by 16 positive divisors.
The sum of these divisors (counting 81551134) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111000101111100011110
3
Ternary
12200110020010101
4
Quaternary
10313011330132
5
Quinary
131334114014
6
Senary
12031531314
8
Octal
467057436
10
Decimal
81551134
12
Duodecimal
23389b3a
16
Hexadecimal
4dc5f1e
20
Vigesimal
159dhge
36
Base36
1cjx9a
md5
6852ff748189e6a7bfc69d988614e6f7
sha1
f99ae874842af14f91ba345397744f82f3dc583b
sha256
6addefa0c98e4054bd211e762230ce671e581608e698480a1463da36e276f809
sha512
38ab03daa7bffffbdd72686822baecefe3f83671c5178312223503c4571b9352d90246ab50057dbcb9042daf8e10037e4d5b876af1b3265db6c42ee06d1a15d2
ripemd-160
0c1b8b5318d22bd7a143d0e7f067832bbc651dd0
Diameter
163102268
Circumference
512400886.93263
Area
2.0893436695981E+16
Volume
2.2718446076193E+24
Surface area
8.3573746783924E+16
Circumference
512400886.93263
Perimeter
326204536
Area
6650587456685956
Diagonal
115330719.72971
Surface area
39903524740115736
Volume
5.4236294885892E+23
Space diagonal
141250707.50286
Perimeter
244653402
Area
2.8797888437901E+15
Altitude
70625353.751429
Surface area
2.8797888437901E+15
Volume
6.3918086500412E+22
Height
38443573.243235