81231337 (number)

81231337 is an odd 8-digits composite number following 81231336 and preceding 81231338. In scientific notation, it is written as 8.1231337 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 73846660 positive integers (up to 81231337) that are relatively prime to 81231337.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-one thousand three hundred thirty-seven

Notation

Scientific notation 8.1231337 × 10^7
Engineering notation 8.1231337 × 10^6

Prime Factorization of 81231337

Prime Factorization 11 × 7384667

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81231337
Product of the distinct prime numbers

The prime factorization of 81231337 is 11 × 7384667. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 81, 78, 744, 207, 8795, 5290, 63894, 67137, 846523, 967220, 4956986, 7603749, 79452670, 21089594, 473510738, 196734824, 4087081481, 4310049936

Basic calculations (n = 81231337)

Multiplication

n×y
n×2 162462674
n×3 243694011
n×4 324925348
n×5 406156685

Division

n÷y
n÷2 40615668.5
n÷3 27077112.333333
n÷3 20307834.25
n÷5 16246267.4

Exponentiation

ny
n2 6598530110807569
n3 5.3600742313566E+23
n4 4.3540599623234E+31
n5 3.536861121177E+39

Nth Root

y√n
2√n 9012.8428922288
3√n 433.08638783271
4√n 94.935993660091
5√n 38.189565767968

Divisors of 81231337

1, 11, 7384667, 81231337

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81231336
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81231337 can be divided by 4 positive divisors. The sum of these divisors (counting 81231337) is 1, the average is 0.25.

Base conversion 81231337

Base System Value
2 Binary 100110101110111110111101001
3 Ternary 12122211222110001
4 Quaternary 10311313313221
5 Quinary 131243400322
6 Senary 12021023001
8 Octal 465676751
10 Decimal 81231337
12 Duodecimal 23254a61
16 Hexadecimal 4d77de9
20 Vigesimal 157di6h
36 Base36 1cd2i1

Cryptographic Hash Functions

md5 572c55d14ddaa4d09fc280457b5c774b
sha1 740c81258d13584b49e02919c9ebb06017616d76
sha256 6aedba973c3372047a5a18926e141cf376022a3779fcd71a2a98e133703ce834
sha512 47d6fcef74bbf2eacafecd5f7ba10575ac98c59c48f6b7349a43a1aca80c458487c4f7b66d3f5568bbf8cbb73897d6321050c45aa7b0f17e7b9405192908189b
ripemd-160 1ce6227c3b27da3a1541653bcba8e66ac570c18a

81231337 as geometric shapes

Circle

Radius = n
Diameter 162462674
Circumference 510391543.12095
Area 2.0729893720604E+16

Sphere

Radius = n
Volume 2.2452226437234E+24
Surface area 8.2919574882416E+16
Circumference 510391543.12095

Square

Length = n
Perimeter 324925348
Area 6598530110807569
Diagonal 114878458.4751

Cube

Length = n
Surface area 39591180664845414
Volume 5.3600742313566E+23
Space diagonal 140696802.85075

Equilateral Triangle

Length = n
Perimeter 243694011
Area 2.857247351798E+15
Altitude 70348401.425375

Triangular Pyramid

Length = n
Surface area 2.857247351798E+15
Volume 6.3169080610925E+22
Height 38292819.4917