81489266 (number)

81489266 is an even 8-digits composite number following 81489265 and preceding 81489267. In scientific notation, it is written as 8.1489266 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 38760240 positive integers (up to 81489266) that are relatively prime to 81489266.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand two hundred sixty-six

Notation

Scientific notation 8.1489266 × 10^7
Engineering notation 8.1489266 × 10^6

Prime Factorization of 81489266

Prime Factorization 2 × 31 × 59 × 22277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81489266
Product of the distinct prime numbers

The prime factorization of 81489266 is 2 × 31 × 59 × 22277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 91, 52, 87, 25, 5997, 9567, 39682, 38914, 932681, 623388, 7498569, 2400109, 76468283, 79943222, 105932335, 518024398, 1768742122, 1982048404

Basic calculations (n = 81489266)

Multiplication

n×y
n×2 162978532
n×3 244467798
n×4 325957064
n×5 407446330

Division

n÷y
n÷2 40744633
n÷3 27163088.666667
n÷3 20372316.5
n÷5 16297853.2

Exponentiation

ny
n2 6640500473218756
n3 5.4112950943525E+23
n4 4.4096246534819E+31
n5 3.5933707634774E+39

Nth Root

y√n
2√n 9027.1405217821
3√n 433.54428795079
4√n 95.011265236192
5√n 38.213787232143

Divisors of 81489266

1, 2, 31, 59, 62, 118, 1829, 3658, 22277, 44554, 690587, 1314343, 1381174, 2628686, 40744633, 81489266

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489265
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489266 can be divided by 16 positive divisors. The sum of these divisors (counting 81489266) is 1, the average is 0.0625.

Base conversion 81489266

Base System Value
2 Binary 100110110110110110101110010
3 Ternary 12200100002020222
4 Quaternary 10312312311302
5 Quinary 131330124031
6 Senary 12030333042
8 Octal 466666562
10 Decimal 81489266
12 Duodecimal 2335a182
16 Hexadecimal 4db6d72
20 Vigesimal 1596336
36 Base36 1ciliq

Cryptographic Hash Functions

md5 b0a5472f8218ab425e62c29769d57d05
sha1 2cf1ed85d12bdbe438c5b94eb8951facae6a7722
sha256 07931fdedb90484cb90a5fa8f0db0bf1d9f77fe472a6fd9fb4430e2da4b0d4df
sha512 1e7cf141a5acfa84d4450cc21a34ba809cd54c176ccc0485f88e326e593d0c03936891af358bb0cc8f3d5b7246e87ef7deea67b3238960c9de6c19d7f25a9695
ripemd-160 4876d60184ce6754a7604e0dfaced1b7bc5c3a52

81489266 as geometric shapes

Circle

Radius = n
Diameter 162978532
Circumference 512012158.82405
Area 2.0861747502824E+16

Sphere

Radius = n
Volume 2.2666779886432E+24
Surface area 8.3446990011294E+16
Circumference 512012158.82405

Square

Length = n
Perimeter 325957064
Area 6640500473218756
Diagonal 115243225.16503

Cube

Length = n
Surface area 39843002839312536
Volume 5.4112950943525E+23
Space diagonal 141143548.9835

Equilateral Triangle

Length = n
Perimeter 244467798
Area 2.875421051825E+15
Altitude 70571774.491748

Triangular Pyramid

Length = n
Surface area 2.875421051825E+15
Volume 6.3772724270302E+22
Height 38414408.388343