81504405 (number)

81504405 is an odd 8-digits composite number following 81504404 and preceding 81504406. In scientific notation, it is written as 8.1504405 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 43468992 positive integers (up to 81504405) that are relatively prime to 81504405.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred four thousand four hundred five

Notation

Scientific notation 8.1504405 × 10^7
Engineering notation 8.1504405 × 10^6

Prime Factorization of 81504405

Prime Factorization 3 × 5 × 3 × 1811209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27168135
Product of the distinct prime numbers

The prime factorization of 81504405 is 3 × 5 × 3 × 1811209. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 12, 5, 734, 295, 4759, 6877, 6224, 92935, 551146, 932902, 7257663, 5582225, 77882595, 13402148, 790383839, 630165956, 2401885511, 6170168046

Basic calculations (n = 81504405)

Multiplication

n×y
n×2 163008810
n×3 244513215
n×4 326017620
n×5 407522025

Division

n÷y
n÷2 40752202.5
n÷3 27168135
n÷3 20376101.25
n÷5 16300881

Exponentiation

ny
n2 6642968034404025
n3 5.4143115707812E+23
n4 4.4129024306114E+31
n5 3.5967098693003E+39

Nth Root

y√n
2√n 9027.9790097231
3√n 433.57113410649
4√n 95.015677704909
5√n 38.215206991008

Divisors of 81504405

1, 3, 5, 9, 15, 45, 1811209, 5433627, 9056045, 16300881, 27168135, 81504405

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81504404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81504405 can be divided by 12 positive divisors. The sum of these divisors (counting 81504405) is 1, the average is 0.083333333333333.

Base conversion 81504405

Base System Value
2 Binary 100110110111010100010010101
3 Ternary 12200100212000200
4 Quaternary 10312322202111
5 Quinary 131331120110
6 Senary 12030531113
8 Octal 466724225
10 Decimal 81504405
12 Duodecimal 23366a99
16 Hexadecimal 4dba895
20 Vigesimal 1598105
36 Base36 1cix79

Cryptographic Hash Functions

md5 7a00e12e993792f6bfbffce31273cf03
sha1 4ac1b51e218ff03fd8b35ff8d210c674bb7e8c76
sha256 321e6b6b401e04034b4c13eff037514a0dcbe1c3740a3c4fea9cee7b01ce193c
sha512 e126dbd74d6fe7be6131ba5c55262330d687a3cdfc9f1185b249a09c3dfe1c0b896833cf27dafaf5159575b909fe1fb3e4486aa06928fcf1051108581285dadf
ripemd-160 16329dbf560af7864c3d6d1de01ca0121c9dbd07

81504405 as geometric shapes

Circle

Radius = n
Diameter 163008810
Circumference 512107279.96641
Area 2.0869499574916E+16

Sphere

Radius = n
Volume 2.267941527335E+24
Surface area 8.3477998299662E+16
Circumference 512107279.96641

Square

Length = n
Perimeter 326017620
Area 6642968034404025
Diagonal 115264634.94415

Cube

Length = n
Surface area 39857808206424150
Volume 5.4143115707812E+23
Space diagonal 141169770.50067

Equilateral Triangle

Length = n
Perimeter 244513215
Area 2.8764895371609E+15
Altitude 70584885.250335

Triangular Pyramid

Length = n
Surface area 2.8764895371609E+15
Volume 6.3808273785936E+22
Height 38421544.981383