81019 (number)

81019 is an odd 5-digits prime number following 81018 and preceding 81020. In scientific notation, it is written as 8.1019 × 10^4. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 81018 positive integers (up to 81019) that are relatively prime to 81019.

Interesting facts

Basic properties

Name

Name eighty-one thousand nineteen

Notation

Scientific notation 8.1019 × 10^4
Engineering notation 8.1019 × 10^3

Prime Factorization of 81019

Prime Factorization 81019

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81019
Product of the distinct prime numbers

The prime factorization of 81019 is 81019. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 2, 72, 12, 679, 476, 716, 9760, 90168, 88763, 661069, 108161, 7430566, 6395318, 30525082, 37395500, 258050219, 979242938, 1767808893, 746158104

Basic calculations (n = 81019)

Multiplication

n×y
n×2 162038
n×3 243057
n×4 324076
n×5 405095

Division

n÷y
n÷2 40509.5
n÷3 27006.333333333
n÷3 20254.75
n÷5 16203.8

Exponentiation

ny
n2 6564078361
n3 531815064729859
n4 4.3087124729348E+19
n5 3.4908757584471E+24

Nth Root

y√n
2√n 284.63836705546
3√n 43.270869899286
4√n 16.871228972883
5√n 9.5877648882255

Divisors of 81019

1, 81019

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81020
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40510
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 284.64012366495
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999753147371
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81019 can be divided by 2 positive divisors. The sum of these divisors (counting 81019) is 81020, the average is 40510.

Base conversion 81019

Base System Value
2 Binary 10011110001111011
3 Ternary 11010010201
4 Quaternary 103301323
5 Quinary 10043034
6 Senary 1423031
8 Octal 236173
10 Decimal 81019
12 Duodecimal 3aa77
16 Hexadecimal 13c7b
20 Vigesimal a2aj
36 Base36 1qij

Cryptographic Hash Functions

md5 e57acd11075a36cc8cf3bb1714200b1a
sha1 cfb96edb198487415d588e6735ab31d7553d451a
sha256 0d7ef104b42ec10514c3ff5dbcdd0edf73af16017d8faf8f1ba7ee47ed221839
sha512 059bcfe260974390bace84878132a41fea55bd892add7a5b9d5bcf3b79d399993dcf0225db2fdb0658c895707c984b4bf00df6a76946349fe9d5b8740e16f285
ripemd-160 ea4fbe4ca9f617fbc1608eec4330fba727e11697

81019 as geometric shapes

Circle

Radius = n
Diameter 162038
Circumference 509057.39040238
Area 20621660356.505

Sphere

Radius = n
Volume 2.2276617338983E+15
Surface area 82486641426.021
Circumference 509057.39040238

Square

Length = n
Perimeter 324076
Area 6564078361
Diagonal 114578.16860991

Cube

Length = n
Surface area 39384470166
Volume 531815064729859
Space diagonal 140329.02437842

Equilateral Triangle

Length = n
Perimeter 243057
Area 2842329306.5289
Altitude 70164.512189211

Triangular Pyramid

Length = n
Surface area 2842329306.5289
Volume 62675006434608
Height 38192.722869969