81401 (number)

81401 is an odd 5-digits prime number following 81400 and preceding 81402. In scientific notation, it is written as 8.1401 × 10^4. The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors. There are 81400 positive integers (up to 81401) that are relatively prime to 81401.

Interesting facts

Basic properties

Name

Name eighty-one thousand four hundred one

Notation

Scientific notation 8.1401 × 10^4
Engineering notation 8.1401 × 10^3

Prime Factorization of 81401

Prime Factorization 81401

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81401
Product of the distinct prime numbers

The prime factorization of 81401 is 81401. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 9, 21, 50, 598, 919, 3215, 8874, 56024, 17320, 968530, 944883, 1910848, 5976752, 34470655, 79101589, 493871823, 882481401, 464425424, 4094201592

Basic calculations (n = 81401)

Multiplication

n×y
n×2 162802
n×3 244203
n×4 325604
n×5 407005

Division

n÷y
n÷2 40700.5
n÷3 27133.666666667
n÷3 20350.25
n÷5 16280.2

Exponentiation

ny
n2 6626122801
n3 539373022124201
n4 4.3905503373932E+19
n5 3.5739518801414E+24

Nth Root

y√n
2√n 285.30860484745
3√n 43.338769863607
4√n 16.891080629949
5√n 9.5967890386655

Divisors of 81401

1, 81401

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81402
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40701
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 285.3103573304
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999754305791
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81401 can be divided by 2 positive divisors. The sum of these divisors (counting 81401) is 81402, the average is 40701.

Base conversion 81401

Base System Value
2 Binary 10011110111111001
3 Ternary 11010122212
4 Quaternary 103313321
5 Quinary 10101101
6 Senary 1424505
8 Octal 236771
10 Decimal 81401
12 Duodecimal 3b135
16 Hexadecimal 13df9
20 Vigesimal a3a1
36 Base36 1qt5

Cryptographic Hash Functions

md5 896006b7511d4a7e8564f6b57d6d26d7
sha1 3af48b86505bd155072e2a04885c3da29f929af0
sha256 34794f5daf92d9471d8f7024d75591c226b730416c0ae48f59f02354ac2cd67c
sha512 2b294cad4a59b679d5b301d097fc371ba7e32b46a7cf2d2adbdb35e3060f32d5cffc8123754649c3c30db1a9415cbfdc962e51cde6657f6174b47768b789fb45
ripemd-160 77436d64f23d53716d388bafd3411de7f38fa013

81401 as geometric shapes

Circle

Radius = n
Diameter 162802
Circumference 511457.56718973
Area 20816578713.405

Sphere

Radius = n
Volume 2.2593204317999E+15
Surface area 83266314853.622
Circumference 511457.56718973

Square

Length = n
Perimeter 325604
Area 6626122801
Diagonal 115118.39819073

Cube

Length = n
Surface area 39756736806
Volume 539373022124201
Space diagonal 140990.66778691

Equilateral Triangle

Length = n
Perimeter 244203
Area 2869195337.1307
Altitude 70495.333893457

Triangular Pyramid

Length = n
Surface area 2869195337.1307
Volume 63565720255517
Height 38372.799396911