81454 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one thousand four hundred fifty-four

Notation

Scientific notation 8.1454 × 10^4
Engineering notation 8.1454 × 10^3

Prime Factorization of 81454

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.

Most popular turbo-numbers

Basic calculations (n = 81454)

Multiplication

n×y
n×2 162908
n×3 244362
n×4 325816
n×5 407270

Division

n÷y
n÷2 40727
n÷3 27151.333333333
n÷3 20363.5
n÷5 16290.8

Exponentiation

ny
n2 6634754116
n3 540427261764664
n4 4.4019962179779E+19
n5 3.5856019993917E+24

Nth Root

y√n
2√n 285.40147161499
3√n 43.348173746725
4√n 16.893829394634
5√n 9.5980384026873

Divisors of 81454

1, 2, 139, 278, 293, 586, 40727, 81454

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 conversion 81454

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

Cryptographic Hash Functions

md5 ca89b7b947afed6fd6ad6b5e9f205805
sha1 4e17bf8ed045bb3a6a755e65dfcc75dd7294d986
sha256 9603be53aa9ecff3a3bf38250f25a21da5b6bc8e7087dfa1f4c386451c6ac316
sha512 3c0661f470d327d692fc95211ef6ee2025de5ec2448be9f4422a8349141a1f9a84bc416d749fa06f2ceb8f77f8a54e80c6ea68646e192434a001c4aae2fbe19a
ripemd-160 411266e5450ac0d1d1e70d4c9a4f2b19ad70e0c6

81454 as geometric shapes

Circle

Radius = n
Diameter 162908
Circumference 511790.57601101
Area 20843694789.2

Sphere

Radius = n
Volume 2.2637364204794E+15
Surface area 83374779156.801
Circumference 511790.57601101

Square

Length = n
Perimeter 325816
Area 6634754116
Diagonal 115193.35150954

Cube

Length = n
Surface area 39808524696
Volume 540427261764664
Space diagonal 141082.46647972

Equilateral Triangle

Length = n
Perimeter 244362
Area 2872932806.1597
Altitude 70541.233239858

Triangular Pyramid

Length = n
Surface area 2872932806.1597
Volume 63689963588645
Height 38397.783836513