81444246 (number)

81444246 is an even 8-digits composite number following 81444245 and preceding 81444247. In scientific notation, it is written as 8.1444246 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 23579136 positive integers (up to 81444246) that are relatively prime to 81444246.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand two hundred forty-six

Notation

Scientific notation 8.1444246 × 10^7
Engineering notation 8.1444246 × 10^6

Prime Factorization of 81444246

Prime Factorization 2 × 3 × 221 × 17 × 3613

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81444246
Product of the distinct prime numbers

The prime factorization of 81444246 is 2 × 3 × 221 × 17 × 3613. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 2, 55, 74, 504, 787, 2702, 9182, 42613, 4350, 671311, 330480, 3531922, 4024505, 40625255, 93173777, 44298718, 457840717, 1043088841, 4387418804

Basic calculations (n = 81444246)

Multiplication

n×y
n×2 162888492
n×3 244332738
n×4 325776984
n×5 407221230

Division

n÷y
n÷2 40722123
n÷3 27148082
n÷3 20361061.5
n÷5 16288849.2

Exponentiation

ny
n2 6633165206508516
n3 5.4023313883752E+23
n4 4.3998880656835E+31
n5 3.5834556599399E+39

Nth Root

y√n
2√n 9024.646585878
3√n 433.46443383718
4√n 94.998139907464
5√n 38.209563939694

Divisors of 81444246

1, 2, 3, 6, 17, 34, 51, 102, 221, 442, 663, 1326, 3613, 3757, 7226, 7514, 10839, 11271, 21678, 22542, 61421, 122842, 184263, 368526, 798473, 1596946, 2395419, 4790838, 13574041, 27148082, 40722123, 81444246

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81444245
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81444246 can be divided by 32 positive divisors. The sum of these divisors (counting 81444246) is 1, the average is 0.03125.

Base conversion 81444246

Base System Value
2 Binary 100110110101011110110010110
3 Ternary 12200020210111120
4 Quaternary 10312223312112
5 Quinary 131322203441
6 Senary 12025344410
8 Octal 466536626
10 Decimal 81444246
12 Duodecimal 23338106
16 Hexadecimal 4dabd96
20 Vigesimal 1590ac6
36 Base36 1chms6

Cryptographic Hash Functions

md5 b784abbbdd2226bdbc9ffa3a87f18404
sha1 19dc731ff856aad519654b2681a762631a20da19
sha256 f1ad5f0f54ebe94be80b2ea9b53d49161784aa5a23a665bb1a80c64716751ab0
sha512 c8c236a4d18dd0c0e2977e8c13839d833f61ae9def81d049f8100a07446ddfc86c04fe004af243489516b6ad9995f2b5c717e64c226cd7ddc0f4191ed58221b8
ripemd-160 b7e49a1daadc381cdebc1386041baf7f6b9f2243

81444246 as geometric shapes

Circle

Radius = n
Diameter 162888492
Circumference 511729289.82152
Area 2.0838703082815E+16

Sphere

Radius = n
Volume 2.2629232802636E+24
Surface area 8.3354812331258E+16
Circumference 511729289.82152

Square

Length = n
Perimeter 325776984
Area 6633165206508516
Diagonal 115179557.27045

Cube

Length = n
Surface area 39798991239051096
Volume 5.4023313883752E+23
Space diagonal 141065572.05614

Equilateral Triangle

Length = n
Perimeter 244332738
Area 2.8722447881677E+15
Altitude 70532786.028069

Triangular Pyramid

Length = n
Surface area 2.8722447881677E+15
Volume 6.3667085982284E+22
Height 38393185.756817