81454 is an even 5-digits composite number following 81453
and preceding 81455 . In scientific notation, it is written as 8.1454 × 10^4.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 40296 positive integers (up to 81454) that are relatively prime to 81454.
81454 has 8 divisors, whose sum is 123480
The reverse of 81454 is 45418
Previous prime number is 139
Is Prime? no
Number parity even
Number length 5
Sum of Digits 22
Digital Root 4
Name
eighty-one thousand four hundred fifty-four
Scientific notation
8.1454 × 10^4
Engineering notation
8.1454 × 10^3
Prime Factorization
2 × 139 × 293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81454
Product of the distinct prime numbers
The prime factorization of 81454 is 2 × 139 × 293.
Since it has a total of 3 prime factors.
1 , 7 , 59 , 91 , 237 , 114 , 5643 , 6775 , 10062 , 66367 , 102830 , 71877 , 2935115 , 4319831 , 44303889 , 69477647 , 662894062 , 736218309 , 9932758872 , 8710615143
n×2
162908
n×3
244362
n×4
325816
n×5
407270
n÷2
40727
n÷3
27151.333333333
n÷3
20363.5
n÷5
16290.8
n2
6634754116
n3
540427261764664
n4
4.4019962179779E+19
n5
3.5856019993917E+24
2 √n
285.40147161499
3 √n
43.348173746725
4 √n
16.893829394634
5 √n
9.5980384026873
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
-81453
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 81454 can be divided by 8 positive divisors.
The sum of these divisors (counting 81454) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011111000101110
3
Ternary
11010201211
4
Quaternary
103320232
5
Quinary
10101304
6
Senary
1425034
8
Octal
237056
10
Decimal
81454
12
Duodecimal
3b17a
16
Hexadecimal
13e2e
20
Vigesimal
a3ce
36
Base36
1qum
md5
ca89b7b947afed6fd6ad6b5e9f205805
sha1
4e17bf8ed045bb3a6a755e65dfcc75dd7294d986
sha256
9603be53aa9ecff3a3bf38250f25a21da5b6bc8e7087dfa1f4c386451c6ac316
sha512
3c0661f470d327d692fc95211ef6ee2025de5ec2448be9f4422a8349141a1f9a84bc416d749fa06f2ceb8f77f8a54e80c6ea68646e192434a001c4aae2fbe19a
ripemd-160
411266e5450ac0d1d1e70d4c9a4f2b19ad70e0c6
Diameter
162908
Circumference
511790.57601101
Area
20843694789.2
Volume
2.2637364204794E+15
Surface area
83374779156.801
Circumference
511790.57601101
Perimeter
325816
Area
6634754116
Diagonal
115193.35150954
Surface area
39808524696
Volume
540427261764664
Space diagonal
141082.46647972
Perimeter
244362
Area
2872932806.1597
Altitude
70541.233239858
Surface area
2872932806.1597
Volume
63689963588645
Height
38397.783836513