81427 (number)

81427 is an odd 5-digits composite number following 81426 and preceding 81428. In scientific notation, it is written as 8.1427 × 10^4. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 80560 positive integers (up to 81427) that are relatively prime to 81427.

Interesting facts

Basic properties

Name

Name eighty-one thousand four hundred twenty-seven

Notation

Scientific notation 8.1427 × 10^4
Engineering notation 8.1427 × 10^3

Prime Factorization of 81427

Prime Factorization 107 × 761

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81427
Product of the distinct prime numbers

The prime factorization of 81427 is 107 × 761. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 5, 23, 579, 685, 8423, 751, 47925, 14017, 619789, 63741, 9318169, 7783620, 9799056, 62199260, 864324723, 465279272, 8055350163, 3566204233

Basic calculations (n = 81427)

Multiplication

n×y
n×2 162854
n×3 244281
n×4 325708
n×5 407135

Division

n÷y
n÷2 40713.5
n÷3 27142.333333333
n÷3 20356.75
n÷5 16285.4

Exponentiation

ny
n2 6630356329
n3 539890024801483
n4 4.396162504951E+19
n5 3.5796632429065E+24

Nth Root

y√n
2√n 285.35416590616
3√n 43.343383599179
4√n 16.892429248221
5√n 9.597402015514

Divisors of 81427

1, 107, 761, 81427

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 -81426
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 81427 can be divided by 4 positive divisors. The sum of these divisors (counting 81427) is 1, the average is 0.25.

Base conversion 81427

Base System Value
2 Binary 10011111000010011
3 Ternary 11010200211
4 Quaternary 103320103
5 Quinary 10101202
6 Senary 1424551
8 Octal 237023
10 Decimal 81427
12 Duodecimal 3b157
16 Hexadecimal 13e13
20 Vigesimal a3b7
36 Base36 1qtv

Cryptographic Hash Functions

md5 e34f85db4cf0d3c5369a1b4698b0be87
sha1 36f3c446f4dd8da0c24bd7843f8cc823c3841433
sha256 2ec8e4d16ce3fb27bff051a00ca96ab52913f5f24d20282424a125cf4b5fc5d9
sha512 3e5ea650108deb74a76960679dc6e00d66c7d9bd8a260ce761a167be60a8b3e02b803c128550dd4a69075b48ede10a2588f2b98ae95428ab9d3a632818e04f75
ripemd-160 a77c24e0f5728e7d9d38b4f24faa25406f0b8de5

81427 as geometric shapes

Circle

Radius = n
Diameter 162854
Circumference 511620.93000771
Area 20829878733.869

Sphere

Radius = n
Volume 2.2614860475503E+15
Surface area 83319514935.476
Circumference 511620.93000771

Square

Length = n
Perimeter 325708
Area 6630356329
Diagonal 115155.16774335

Cube

Length = n
Surface area 39782137974
Volume 539890024801483
Space diagonal 141035.70110791

Equilateral Triangle

Length = n
Perimeter 244281
Area 2871028508.5285
Altitude 70517.850553955

Triangular Pyramid

Length = n
Surface area 2871028508.5285
Volume 63626649605350
Height 38385.055914451