81041409 (number)

81041409 is an odd 8-digits composite number following 81041408 and preceding 81041410. In scientific notation, it is written as 8.1041409 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 52284600 positive integers (up to 81041409) that are relatively prime to 81041409.

Interesting facts

Basic properties

Name

Name eighty-one million forty-one thousand four hundred nine

Notation

Scientific notation 8.1041409 × 10^7
Engineering notation 8.1041409 × 10^6

Prime Factorization of 81041409

Prime Factorization 9 × 31 × 290471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81041409
Product of the distinct prime numbers

The prime factorization of 81041409 is 9 × 31 × 290471. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81041409)

Multiplication

n×y
n×2 162082818
n×3 243124227
n×4 324165636
n×5 405207045

Division

n÷y
n÷2 40520704.5
n÷3 27013803
n÷3 20260352.25
n÷5 16208281.8

Exponentiation

ny
n2 6567709972705281
n3 5.3225647009139E+23
n4 4.3134814285572E+31
n5 3.4957061266561E+39

Nth Root

y√n
2√n 9002.3002060584
3√n 432.74858953451
4√n 94.880452180934
5√n 38.171690742812

Divisors of 81041409

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81041408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81041409 can be divided by 8 positive divisors. The sum of these divisors (counting 81041409) is 1, the average is 0.125.

Base conversion 81041409

Base System Value
2 Binary 100110101001001100000000001
3 Ternary 12122111022220200
4 Quaternary 10311021200001
5 Quinary 131221311114
6 Senary 12012555413
8 Octal 465114001
10 Decimal 81041409
12 Duodecimal 23182b69
16 Hexadecimal 4d49801
20 Vigesimal 156a3a9
36 Base36 1c8zy9

Cryptographic Hash Functions

md5 bc7c84a5d7eed1f30ec055b7696fb5c3
sha1 932c8253e926d98b2eb83d4f14a478715b8923c8
sha256 50b0a24490a220422edee42ac5eb5d7c8963173f33572733bca805094348a46a
sha512 425aae13f14cecb01787f874cab273c790c2759c922339a802d329c7d42a6a228d387db920f96e8c616652e7a6a9eb6b27fc064f081d18589d9e559e089adef6
ripemd-160 16249c813097a2fd84e3fbfcdc7bde265789a481

81041409 as geometric shapes

Circle

Radius = n
Diameter 162082818
Circumference 509198190.30193
Area 2.0633069401159E+16

Sphere

Radius = n
Volume 2.229510688353E+24
Surface area 8.2532277604637E+16
Circumference 509198190.30193

Square

Length = n
Perimeter 324165636
Area 6567709972705281
Diagonal 114609859.72163

Cube

Length = n
Surface area 39406259836231686
Volume 5.3225647009139E+23
Space diagonal 140367837.90497

Equilateral Triangle

Length = n
Perimeter 243124227
Area 2.8439018405256E+15
Altitude 70183918.952485

Triangular Pyramid

Length = n
Surface area 2.8439018405256E+15
Volume 6.2727026555339E+22
Height 38203286.573875