81590943 (number)

81590943 is an odd 8-digits composite number following 81590942 and preceding 81590944. In scientific notation, it is written as 8.1590943 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 45158400 positive integers (up to 81590943) that are relatively prime to 81590943.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred ninety thousand nine hundred forty-three

Notation

Scientific notation 8.1590943 × 10^7
Engineering notation 8.1590943 × 10^6

Prime Factorization of 81590943

Prime Factorization 3 × 7 × 41 × 491 × 193

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81590943
Product of the distinct prime numbers

The prime factorization of 81590943 is 3 × 7 × 41 × 491 × 193. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 77, 82, 707, 298, 5699, 6173, 18415, 66222, 341757, 863877, 4734085, 4445113, 87516878, 60083, 651474853, 132708953, 6977811696, 1068558305

Basic calculations (n = 81590943)

Multiplication

n×y
n×2 163181886
n×3 244772829
n×4 326363772
n×5 407954715

Division

n÷y
n÷2 40795471.5
n÷3 27196981
n÷3 20397735.75
n÷5 16318188.6

Exponentiation

ny
n2 6657081979629249
n3 5.4315759634626E+23
n4 4.4316740483504E+31
n5 3.6158446467354E+39

Nth Root

y√n
2√n 9032.7705052215
3√n 433.72452911803
4√n 95.040888596548
5√n 38.223318611364

Divisors of 81590943

1, 3, 7, 21, 41, 123, 193, 287, 491, 579, 861, 1351, 1473, 3437, 4053, 7913, 10311, 20131, 23739, 55391, 60393, 94763, 140917, 166173, 284289, 422751, 663341, 1990023, 3885283, 11655849, 27196981, 81590943

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 -81590942
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 81590943 can be divided by 32 positive divisors. The sum of these divisors (counting 81590943) is 1, the average is 0.03125.

Base conversion 81590943

Base System Value
2 Binary 100110111001111101010011111
3 Ternary 12200112020201210
4 Quaternary 10313033222133
5 Quinary 131341402233
6 Senary 12032435503
8 Octal 467175237
10 Decimal 81590943
12 Duodecimal 233a8b93
16 Hexadecimal 4dcfa9f
20 Vigesimal 159ih73
36 Base36 1ckrz3

Cryptographic Hash Functions

md5 6b8659fe62e982f4f8fc3b4cc701df46
sha1 f08a4142e36e4f046bfe48c31f19afe13c554a0a
sha256 6eb50332d5e37cba52743fa2a1399f9370cc61e8907ac2f0e18901706ae77589
sha512 7ed35a4a991d0aa00601a962a02927dcb2e400dba14575be0f2802d660df33df6c634c2dcdb4af2d00bfb6dc2bc8099f41d82077f9473d0cc03b92137c8ba5c1
ripemd-160 2a250f75b277c5f913bf042225153fbc383a1f12

81590943 as geometric shapes

Circle

Radius = n
Diameter 163181886
Circumference 512651014.25653
Area 2.0913839841548E+16

Sphere

Radius = n
Volume 2.2751732192305E+24
Surface area 8.3655359366193E+16
Circumference 512651014.25653

Square

Length = n
Perimeter 326363772
Area 6657081979629249
Diagonal 115387018.15741

Cube

Length = n
Surface area 39942491877775494
Volume 5.4315759634626E+23
Space diagonal 141319658.71346

Equilateral Triangle

Length = n
Perimeter 244772829
Area 2.8826010547173E+15
Altitude 70659829.356728

Triangular Pyramid

Length = n
Surface area 2.8826010547173E+15
Volume 6.4011736604904E+22
Height 38462339.385803