81650213 (number)

81650213 is an odd 8-digits composite number following 81650212 and preceding 81650214. In scientific notation, it is written as 8.1650213 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 79475760 positive integers (up to 81650213) that are relatively prime to 81650213.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred fifty thousand two hundred thirteen

Notation

Scientific notation 8.1650213 × 10^7
Engineering notation 8.1650213 × 10^6

Prime Factorization of 81650213

Prime Factorization 71 × 79 × 14557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81650213
Product of the distinct prime numbers

The prime factorization of 81650213 is 71 × 79 × 14557. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81650213)

Multiplication

n×y
n×2 163300426
n×3 244950639
n×4 326600852
n×5 408251065

Division

n÷y
n÷2 40825106.5
n÷3 27216737.666667
n÷3 20412553.25
n÷5 16330042.6

Exponentiation

ny
n2 6666757282945369
n3 5.4434215217179E+23
n4 4.4445652669705E+31
n5 3.6289970074054E+39

Nth Root

y√n
2√n 9036.0507413361
3√n 433.82952700822
4√n 95.058144003216
5√n 38.228870301317

Divisors of 81650213

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 -81650212
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 81650213 can be divided by 8 positive divisors. The sum of these divisors (counting 81650213) is 1, the average is 0.125.

Base conversion 81650213

Base System Value
2 Binary 100110111011110001000100101
3 Ternary 12200122021000222
4 Quaternary 10313132020211
5 Quinary 131400301323
6 Senary 12034014125
8 Octal 467361045
10 Decimal 81650213
12 Duodecimal 23417345
16 Hexadecimal 4dde225
20 Vigesimal 15a65ad
36 Base36 1cm1ph

Cryptographic Hash Functions

md5 f480d6a1b340371cb3d995c03fc7f532
sha1 7781d70cfde0b338666ea790b4909d1a9dad2793
sha256 0fafa759edf9fc628a7e4a81da8378f269374e1f4b84998071acbab17ff343ac
sha512 d3fe90a9c3fa25cc84be85d6898de0147292cd088a4a05ed0f84dc368c297ef2af50110460d67b629668e6ebf62a598776467e2a9f0a1edfb6219fd3c57ba256
ripemd-160 3145cf5ec8fd9a2aaaf2e237847f7fa4ebc65682

81650213 as geometric shapes

Circle

Radius = n
Diameter 163300426
Circumference 513023418.64968
Area 2.0944235703367E+16

Sphere

Radius = n
Volume 2.2801350750695E+24
Surface area 8.377694281347E+16
Circumference 513023418.64968

Square

Length = n
Perimeter 326600852
Area 6666757282945369
Diagonal 115470838.59525

Cube

Length = n
Surface area 40000543697672214
Volume 5.4434215217179E+23
Space diagonal 141422317.36482

Equilateral Triangle

Length = n
Perimeter 244950639
Area 2.8867905839478E+15
Altitude 70711158.68241

Triangular Pyramid

Length = n
Surface area 2.8867905839478E+15
Volume 6.4151337847725E+22
Height 38490279.531751