81004042 (number)

81004042 is an even 8-digits composite number following 81004041 and preceding 81004043. In scientific notation, it is written as 8.1004042 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 32 positive divisors. There are 33981360 positive integers (up to 81004042) that are relatively prime to 81004042.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand forty-two

Notation

Scientific notation 8.1004042 × 10^7
Engineering notation 8.1004042 × 10^6

Prime Factorization of 81004042

Prime Factorization 2 × 7 × 227 × 71 × 359

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81004042
Product of the distinct prime numbers

The prime factorization of 81004042 is 2 × 7 × 227 × 71 × 359. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81004042)

Multiplication

n×y
n×2 162008084
n×3 243012126
n×4 324016168
n×5 405020210

Division

n÷y
n÷2 40502021
n÷3 27001347.333333
n÷3 20251010.5
n÷5 16200808.4

Exponentiation

ny
n2 6561654820337764
n3 5.3152056265614E+23
n4 4.3055313981262E+31
n5 3.4876544620613E+39

Nth Root

y√n
2√n 9000.2245527542
3√n 432.68206797592
4√n 94.8695132946
5√n 38.168170012538

Divisors of 81004042

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81004041
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81004042 can be divided by 32 positive divisors. The sum of these divisors (counting 81004042) is 1, the average is 0.03125.

Base conversion 81004042

Base System Value
2 Binary 100110101000000011000001010
3 Ternary 12122102102122201
4 Quaternary 10311000120022
5 Quinary 131214112132
6 Senary 12012110414
8 Octal 465003012
10 Decimal 81004042
12 Duodecimal 2316540a
16 Hexadecimal 4d4060a
20 Vigesimal 1565a22
36 Base36 1c874a

Cryptographic Hash Functions

md5 180c44084271f7c147a9d55add58d570
sha1 c1e267c51fd9e8a72a104e41057fb8c259989e18
sha256 a9ea7431d7cba19cff3cf29edd40e7d70a7e73ca7238444975d688643eaf0b19
sha512 e18cc619fbd89a53fc680c484745f8011c590cc6a289d02499fc109830518c4c883eebd42c0619c66c49b8b46ea6875b4397fca218ed8be10a87a4536e3c6755
ripemd-160 59969c9de2843e095412d2ee7c25a85113ef19fe

81004042 as geometric shapes

Circle

Radius = n
Diameter 162008084
Circumference 508963406.51656
Area 2.0614046578965E+16

Sphere

Radius = n
Volume 2.2264281264966E+24
Surface area 8.2456186315861E+16
Circumference 508963406.51656

Square

Length = n
Perimeter 324016168
Area 6561654820337764
Diagonal 114557014.80344

Cube

Length = n
Surface area 39369928922026584
Volume 5.3152056265614E+23
Space diagonal 140303116.36244

Equilateral Triangle

Length = n
Perimeter 243012126
Area 2.8412798826386E+15
Altitude 70151558.181222

Triangular Pyramid

Length = n
Surface area 2.8412798826386E+15
Volume 6.2640299032375E+22
Height 38185671.601147