81736213 (number)

81736213 is an odd 8-digits composite number following 81736212 and preceding 81736214. In scientific notation, it is written as 8.1736213 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 75368448 positive integers (up to 81736213) that are relatively prime to 81736213.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-six thousand two hundred thirteen

Notation

Scientific notation 8.1736213 × 10^7
Engineering notation 8.1736213 × 10^6

Prime Factorization of 81736213

Prime Factorization 13 × 1129 × 5569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81736213
Product of the distinct prime numbers

The prime factorization of 81736213 is 13 × 1129 × 5569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81736213)

Multiplication

n×y
n×2 163472426
n×3 245208639
n×4 326944852
n×5 408681065

Division

n÷y
n÷2 40868106.5
n÷3 27245404.333333
n÷3 20434053.25
n÷5 16347242.6

Exponentiation

ny
n2 6680808515581369
n3 5.4606398784177E+23
n4 4.4633202421865E+31
n5 3.6481489400256E+39

Nth Root

y√n
2√n 9040.8082050224
3√n 433.98178726831
4√n 95.083164677152
5√n 38.236920001295

Divisors of 81736213

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 -81736212
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 81736213 can be divided by 8 positive divisors. The sum of these divisors (counting 81736213) is 1, the average is 0.125.

Base conversion 81736213

Base System Value
2 Binary 100110111110011001000010101
3 Ternary 12200210122000011
4 Quaternary 10313303020111
5 Quinary 131411024323
6 Senary 12035520221
8 Octal 467631025
10 Decimal 81736213
12 Duodecimal 23459071
16 Hexadecimal 4df3215
20 Vigesimal 15ah0ad
36 Base36 1cnw2d

Cryptographic Hash Functions

md5 9bfd0de30dd79c1c9939af9a1bbf24de
sha1 53d3febecce421a7d4bd4d3c9c11bdb8792b606d
sha256 fee0bad2cbd3187247f2994adfa6358f3ef463abf7c9940f782fc206649b6fbe
sha512 ad409f7731e4cc4097d0a89ac87c5138652bfd51ee7242085307481a7bea0c6b139a3ed53b338d84f7e40b252d57cb6d85218920b44c93c45d0a92215e72efad
ripemd-160 33d40fa1aaba94b0aa3d094cdd36b4277a0c5e9b

81736213 as geometric shapes

Circle

Radius = n
Diameter 163472426
Circumference 513563772.5861
Area 2.0988378952591E+16

Sphere

Radius = n
Volume 2.2873474834582E+24
Surface area 8.3953515810362E+16
Circumference 513563772.5861

Square

Length = n
Perimeter 326944852
Area 6680808515581369
Diagonal 115592460.96162

Cube

Length = n
Surface area 40084851093488214
Volume 5.4606398784177E+23
Space diagonal 141571273.73427

Equilateral Triangle

Length = n
Perimeter 245208639
Area 2.8928749461564E+15
Altitude 70785636.867136

Triangular Pyramid

Length = n
Surface area 2.8928749461564E+15
Volume 6.4354258127448E+22
Height 38530820.320539