81362486 (number)

81362486 is an even 8-digits composite number following 81362485 and preceding 81362487. In scientific notation, it is written as 8.1362486 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 40185600 positive integers (up to 81362486) that are relatively prime to 81362486.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-two thousand four hundred eighty-six

Notation

Scientific notation 8.1362486 × 10^7
Engineering notation 8.1362486 × 10^6

Prime Factorization of 81362486

Prime Factorization 2 × 113 × 521 × 691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81362486
Product of the distinct prime numbers

The prime factorization of 81362486 is 2 × 113 × 521 × 691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81362486)

Multiplication

n×y
n×2 162724972
n×3 244087458
n×4 325449944
n×5 406812430

Division

n÷y
n÷2 40681243
n÷3 27120828.666667
n÷3 20340621.5
n÷5 16272497.2

Exponentiation

ny
n2 6619854128100196
n3 5.3860778881959E+23
n4 4.3822468677325E+31
n5 3.5655049942443E+39

Nth Root

y√n
2√n 9020.1156311879
3√n 433.31933695753
4√n 94.974289316572
5√n 38.201889317342

Divisors of 81362486

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 -81362485
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 81362486 can be divided by 16 positive divisors. The sum of these divisors (counting 81362486) is 1, the average is 0.0625.

Base conversion 81362486

Base System Value
2 Binary 100110110010111111000110110
3 Ternary 12200002122100102
4 Quaternary 10312113320312
5 Quinary 131312044421
6 Senary 12023514102
8 Octal 466277066
10 Decimal 81362486
12 Duodecimal 232b8932
16 Hexadecimal 4d97e36
20 Vigesimal 158a646
36 Base36 1cfvp2

Cryptographic Hash Functions

md5 4ec59c0a043529c222b9d59c2c7b16d8
sha1 924cd8fc068a290fb38277764c738e5f2d562d77
sha256 48f842a42f2296ba7b6d4d6b96320f372cc09153120de756b189ba56a11b48e6
sha512 a2d197789e55eb9b0e8a1f3ba3fe9c3a150c96b90d2efc5027343dbdc59298cac1094d727b22728d54c7575cc7d2ce88bc05016a2589fdddc2c6e12ac00ef313
ripemd-160 c68fe5e1ea71b607433db24755f5e257e5ec09e7

81362486 as geometric shapes

Circle

Radius = n
Diameter 162724972
Circumference 511215576.5908
Area 2.0796885096676E+16

Sphere

Radius = n
Volume 2.2561150300292E+24
Surface area 8.3187540386703E+16
Circumference 511215576.5908

Square

Length = n
Perimeter 325449944
Area 6619854128100196
Diagonal 115063931.16959

Cube

Length = n
Surface area 39719124768601176
Volume 5.3860778881959E+23
Space diagonal 140923959.58211

Equilateral Triangle

Length = n
Perimeter 244087458
Area 2.866480922141E+15
Altitude 70461979.791056

Triangular Pyramid

Length = n
Surface area 2.866480922141E+15
Volume 6.3475536645705E+22
Height 38354643.723197