81497836 (number)

81497836 is an even 8-digits composite number following 81497835 and preceding 81497837. In scientific notation, it is written as 8.1497836 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 34927632 positive integers (up to 81497836) that are relatively prime to 81497836.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand eight hundred thirty-six

Notation

Scientific notation 8.1497836 × 10^7
Engineering notation 8.1497836 × 10^6

Prime Factorization of 81497836

Prime Factorization 2 × 2 × 7 × 2910637

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40748918
Product of the distinct prime numbers

The prime factorization of 81497836 is 2 × 2 × 7 × 2910637. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 50, 2, 83, 704, 9908, 7546, 77169, 84538, 657230, 953125, 2622362, 8258099, 39237102, 31926644, 401600768, 401576785, 5487373909, 9037058593

Basic calculations (n = 81497836)

Multiplication

n×y
n×2 162995672
n×3 244493508
n×4 325991344
n×5 407489180

Division

n÷y
n÷2 40748918
n÷3 27165945.333333
n÷3 20374459
n÷5 16299567.2

Exponentiation

ny
n2 6641897272682896
n3 5.4130025465796E+23
n4 4.4114799380872E+31
n5 3.5952606851152E+39

Nth Root

y√n
2√n 9027.6151889633
3√n 433.55948563465
4√n 95.013763155467
5√n 38.214590965927

Divisors of 81497836

1, 2, 4, 7, 14, 28, 2910637, 5821274, 11642548, 20374459, 40748918, 81497836

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 -81497835
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 81497836 can be divided by 12 positive divisors. The sum of these divisors (counting 81497836) is 1, the average is 0.083333333333333.

Base conversion 81497836

Base System Value
2 Binary 100110110111000111011101100
3 Ternary 12200100112000101
4 Quaternary 10312320323230
5 Quinary 131330412321
6 Senary 12030440444
8 Octal 466707354
10 Decimal 81497836
12 Duodecimal 23363124
16 Hexadecimal 4db8eec
20 Vigesimal 15974bg
36 Base36 1cis4s

Cryptographic Hash Functions

md5 891fa7a03cf6ff0673a19476098ae70c
sha1 0cdd4b5b2534d2dc05dd671d3b5a8919acb9e7a4
sha256 2993dfb6a6294e55ca53bcb3336a07cb16703ecb8b0671979ab3fb5c31deb4b5
sha512 94791d883776467b0ad78094125b7f3fa4d98ac08d08a0507ea656beed305556351f9e20540defffed2209d303a9f3013bc08d39c258f6099c0ddcda97fe97f3
ripemd-160 69a19adf689a99d5a2f493735e23239f29c60ebc

81497836 as geometric shapes

Circle

Radius = n
Diameter 162995672
Circumference 512066005.72213
Area 2.0866135677759E+16

Sphere

Radius = n
Volume 2.2673932045596E+24
Surface area 8.3464542711035E+16
Circumference 512066005.72213

Square

Length = n
Perimeter 325991344
Area 6641897272682896
Diagonal 115255344.97526

Cube

Length = n
Surface area 39851383636097376
Volume 5.4130025465796E+23
Space diagonal 141158392.65892

Equilateral Triangle

Length = n
Perimeter 244493508
Area 2.876025883735E+15
Altitude 70579196.329458

Triangular Pyramid

Length = n
Surface area 2.876025883735E+15
Volume 6.3792846787775E+22
Height 38418448.325086