81041408 (number)

81041408 is an even 8-digits composite number following 81041407 and preceding 81041409. In scientific notation, it is written as 8.1041408 × 10^7. The sum of its digits is 26. It has a total of 13 prime factors and 48 positive divisors. There are 34725888 positive integers (up to 81041408) that are relatively prime to 81041408.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1041408 × 10^7
Engineering notation 8.1041408 × 10^6

Prime Factorization of 81041408

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 5653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 13
Total number of prime factors
rad Radical 79142
Product of the distinct prime numbers

The prime factorization of 81041408 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 5653. Since it has a total of 13 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81041408)

Multiplication

n×y
n×2 162082816
n×3 243124224
n×4 324165632
n×5 405207040

Division

n÷y
n÷2 40520704
n÷3 27013802.666667
n÷3 20260352
n÷5 16208281.6

Exponentiation

ny
n2 6567709810622464
n3 5.3225645038826E+23
n4 4.3134812156547E+31
n5 3.4957059109821E+39

Nth Root

y√n
2√n 9002.3001505171
3√n 432.74858775457
4√n 94.880451888242
5√n 38.171690648609

Divisors of 81041408

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81041407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81041408 can be divided by 48 positive divisors. The sum of these divisors (counting 81041408) is 1, the average is 0.020833333333333.

Base conversion 81041408

Base System Value
2 Binary 100110101001001100000000000
3 Ternary 12122111022220122
4 Quaternary 10311021200000
5 Quinary 131221311113
6 Senary 12012555412
8 Octal 465114000
10 Decimal 81041408
12 Duodecimal 23182b68
16 Hexadecimal 4d49800
20 Vigesimal 156a3a8
36 Base36 1c8zy8

Cryptographic Hash Functions

md5 683f6468563d6f51377242cd9c0b9481
sha1 d5a5dfd3ca3245ea5341514f2d2589eb37504878
sha256 298d074c731e35ae32fa4cb1cc64275b5be7e103b04ea3168dfde4840b9c30db
sha512 d35b49cd7a9c3ccab2a934719b004ab76026b5bd7125cb912d95d7f6bfd8fc28970b88002a145f9fe2d0cea2a123573774a732ca55bde3998e40dcf8c162bf1f
ripemd-160 9507029ddaafa6cd74d7d0189a253d314f9331ed

81041408 as geometric shapes

Circle

Radius = n
Diameter 162082816
Circumference 509198184.01875
Area 2.0633068891961E+16

Sphere

Radius = n
Volume 2.2295106058207E+24
Surface area 8.2532275567845E+16
Circumference 509198184.01875

Square

Length = n
Perimeter 324165632
Area 6567709810622464
Diagonal 114609858.30741

Cube

Length = n
Surface area 39406258863734784
Volume 5.3225645038826E+23
Space diagonal 140367836.17292

Equilateral Triangle

Length = n
Perimeter 243124224
Area 2.8439017703417E+15
Altitude 70183918.086459

Triangular Pyramid

Length = n
Surface area 2.8439017703417E+15
Volume 6.2727024233303E+22
Height 38203286.10247