81282309 (number)

81282309 is an odd 8-digits composite number following 81282308 and preceding 81282310. In scientific notation, it is written as 8.1282309 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 54167136 positive integers (up to 81282309) that are relatively prime to 81282309.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred eighty-two thousand three hundred nine

Notation

Scientific notation 8.1282309 × 10^7
Engineering notation 8.1282309 × 10^6

Prime Factorization of 81282309

Prime Factorization 3 × 4457 × 6079

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81282309
Product of the distinct prime numbers

The prime factorization of 81282309 is 3 × 4457 × 6079. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81282309)

Multiplication

n×y
n×2 162564618
n×3 243846927
n×4 325129236
n×5 406411545

Division

n÷y
n÷2 40641154.5
n÷3 27094103
n÷3 20320577.25
n÷5 16256461.8

Exponentiation

ny
n2 6606813756371481
n3 5.3701707725084E+23
n4 4.3649988011379E+31
n5 3.5479718133872E+39

Nth Root

y√n
2√n 9015.6701913945
3√n 433.17695494812
4√n 94.950883046945
5√n 38.194357293534

Divisors of 81282309

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 -81282308
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 81282309 can be divided by 8 positive divisors. The sum of these divisors (counting 81282309) is 1, the average is 0.125.

Base conversion 81282309

Base System Value
2 Binary 100110110000100010100000101
3 Ternary 12122221120100220
4 Quaternary 10312010110011
5 Quinary 131302013214
6 Senary 12022054553
8 Octal 466042405
10 Decimal 81282309
12 Duodecimal 2327a459
16 Hexadecimal 4d84505
20 Vigesimal 15805f9
36 Base36 1ce5tx

Cryptographic Hash Functions

md5 a4bcd7a93c83b97e69e9c7ccc6ac632f
sha1 fdb54332e0aca11834fa40cd71c2eadc0654910e
sha256 8d272906b0ef76cfc9f61a4ec89b4305b649dca975e220c10ff512741b3c81b0
sha512 64c8bd2180ff1488e1146c6dab56fd765d6fa50e3f49b45ce082527a4dc30b643785b87ceaaaaa5037cee6970912094439050ede250650d17d61bc7ac0707217
ripemd-160 31cabbdc451f4b6e898d603490e941c9fe208fb9

81282309 as geometric shapes

Circle

Radius = n
Diameter 162564618
Circumference 510711809.64243
Area 2.0755917560653E+16

Sphere

Radius = n
Volume 2.2494518729913E+24
Surface area 8.3023670242611E+16
Circumference 510711809.64243

Square

Length = n
Perimeter 325129236
Area 6606813756371481
Diagonal 114950543.7688

Cube

Length = n
Surface area 39640882538228886
Volume 5.3701707725084E+23
Space diagonal 140785088.94451

Equilateral Triangle

Length = n
Perimeter 243846927
Area 2.8608342755451E+15
Altitude 70392544.472257

Triangular Pyramid

Length = n
Surface area 2.8608342755451E+15
Volume 6.3288069489508E+22
Height 38316847.922934