81004065 (number)

81004065 is an odd 8-digits composite number following 81004064 and preceding 81004066. In scientific notation, it is written as 8.1004065 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 40660736 positive integers (up to 81004065) that are relatively prime to 81004065.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand sixty-five

Notation

Scientific notation 8.1004065 × 10^7
Engineering notation 8.1004065 × 10^6

Prime Factorization of 81004065

Prime Factorization 3 × 5 × 17 × 317663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81004065
Product of the distinct prime numbers

The prime factorization of 81004065 is 3 × 5 × 17 × 317663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 85, 30, 707, 686, 6375, 5682, 69861, 36153, 911258, 761094, 6139171, 7110075, 202464, 32249536, 716850366, 293478523, 9484006675, 7028290912

Basic calculations (n = 81004065)

Multiplication

n×y
n×2 162008130
n×3 243012195
n×4 324016260
n×5 405020325

Division

n÷y
n÷2 40502032.5
n÷3 27001355
n÷3 20251016.25
n÷5 16200813

Exponentiation

ny
n2 6561658546524225
n3 5.3152101541045E+23
n4 4.3055362881174E+31
n5 3.4876594134252E+39

Nth Root

y√n
2√n 9000.2258305
3√n 432.68210892732
4√n 94.869520028827
5√n 38.168172180005

Divisors of 81004065

1, 3, 5, 15, 17, 51, 85, 255, 317663, 952989, 1588315, 4764945, 5400271, 16200813, 27001355, 81004065

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81004064
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81004065 can be divided by 16 positive divisors. The sum of these divisors (counting 81004065) is 1, the average is 0.0625.

Base conversion 81004065

Base System Value
2 Binary 100110101000000011000100001
3 Ternary 12122102102200120
4 Quaternary 10311000120201
5 Quinary 131214112230
6 Senary 12012110453
8 Octal 465003041
10 Decimal 81004065
12 Duodecimal 23165429
16 Hexadecimal 4d40621
20 Vigesimal 1565a35
36 Base36 1c874x

Cryptographic Hash Functions

md5 e563d49091040e5f0af30d7bbf2b1507
sha1 0873ad65965be3b42de8ad8a7e91e5f5f799516d
sha256 408af00c61918c2ff6065ee0a63cb9ac709158085459824c562cb349e49e92b7
sha512 1540bd7d69e283497d08ec544062fa376471c87766f773ff7c5d2d2f8333172baea57e6a6a33d053eddb2f46e062893281459dbd07346eae565179dc3e70674d
ripemd-160 398dda5c9437ed8f5873ced98aae238af02aca87

81004065 as geometric shapes

Circle

Radius = n
Diameter 162008130
Circumference 508963551.02982
Area 2.0614058285125E+16

Sphere

Radius = n
Volume 2.2264300229894E+24
Surface area 8.2456233140501E+16
Circumference 508963551.02982

Square

Length = n
Perimeter 324016260
Area 6561658546524225
Diagonal 114557047.33035

Cube

Length = n
Surface area 39369951279145350
Volume 5.3152101541045E+23
Space diagonal 140303156.19961

Equilateral Triangle

Length = n
Perimeter 243012195
Area 2.8412814961246E+15
Altitude 70151578.099806

Triangular Pyramid

Length = n
Surface area 2.8412814961246E+15
Volume 6.2640352389982E+22
Height 38185682.443451