81038862 (number)

81038862 is an even 8-digits composite number following 81038861 and preceding 81038863. In scientific notation, it is written as 8.1038862 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 27012948 positive integers (up to 81038862) that are relatively prime to 81038862.

Interesting facts

Basic properties

Name

Name eighty-one million thirty-eight thousand eight hundred sixty-two

Notation

Scientific notation 8.1038862 × 10^7
Engineering notation 8.1038862 × 10^6

Prime Factorization of 81038862

Prime Factorization 2 × 3 × 3 × 4502159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27012954
Product of the distinct prime numbers

The prime factorization of 81038862 is 2 × 3 × 3 × 4502159. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81038862)

Multiplication

n×y
n×2 162077724
n×3 243116586
n×4 324155448
n×5 405194310

Division

n÷y
n÷2 40519431
n÷3 27012954
n÷3 20259715.5
n÷5 16207772.4

Exponentiation

ny
n2 6567297154255044
n3 5.3220628779667E+23
n4 4.3129391912286E+31
n5 3.4951568393237E+39

Nth Root

y√n
2√n 9002.158741102
3√n 432.74405595833
4√n 94.879706687479
5√n 38.171450804934

Divisors of 81038862

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 -81038861
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 81038862 can be divided by 12 positive divisors. The sum of these divisors (counting 81038862) is 1, the average is 0.083333333333333.

Base conversion 81038862

Base System Value
2 Binary 100110101001000111000001110
3 Ternary 12122111012102100
4 Quaternary 10311020320032
5 Quinary 131221220422
6 Senary 12012535530
8 Octal 465107016
10 Decimal 81038862
12 Duodecimal 231815a6
16 Hexadecimal 4d48e0e
20 Vigesimal 1569h32
36 Base36 1c8xzi

Cryptographic Hash Functions

md5 40456beceb83b3ce2d3fc6561c702828
sha1 ce71dec85fc8b7d77fd793ef4017c29391035b0f
sha256 94206dfe69dac73021a64db48e843329f88418f730181f0c541b7b99e9b40115
sha512 2e64b5231b2062570b1e563bcfbbcd12cca0c041e9116a843a92f898cdf9e8788270f5f4be633c7bac834322f1152ed86bb53916d9fc98a8e5b3fa4f94b5dc9a
ripemd-160 4a95718238d5c96cff2b50d4436e441eb1406bd8

81038862 as geometric shapes

Circle

Radius = n
Diameter 162077724
Circumference 509182187.02895
Area 2.0631772493749E+16

Sphere

Radius = n
Volume 2.2293004852484E+24
Surface area 8.2527089974995E+16
Circumference 509182187.02895

Square

Length = n
Perimeter 324155448
Area 6567297154255044
Diagonal 114606257.71968

Cube

Length = n
Surface area 39403782925530264
Volume 5.3220628779667E+23
Space diagonal 140363426.37156

Equilateral Triangle

Length = n
Perimeter 243116586
Area 2.8437230848931E+15
Altitude 70181713.185781

Triangular Pyramid

Length = n
Surface area 2.8437230848931E+15
Volume 6.272111251519E+22
Height 38202085.906561