81007306 (number)

81007306 is an even 8-digits composite number following 81007305 and preceding 81007307. In scientific notation, it is written as 8.1007306 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 40503652 positive integers (up to 81007306) that are relatively prime to 81007306.

Interesting facts

Basic properties

Name

Name eighty-one million seven thousand three hundred six

Notation

Scientific notation 8.1007306 × 10^7
Engineering notation 8.1007306 × 10^6

Prime Factorization of 81007306

Prime Factorization 2 × 40503653

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81007306
Product of the distinct prime numbers

The prime factorization of 81007306 is 2 × 40503653. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 6, 70, 44, 773, 695, 5561, 8268, 79744, 79817, 8060, 460665, 1977882, 7982169, 68320, 65998488, 642706704, 595400289, 6326717471, 7156808178

Basic calculations (n = 81007306)

Multiplication

n×y
n×2 162014612
n×3 243021918
n×4 324029224
n×5 405036530

Division

n÷y
n÷2 40503653
n÷3 27002435.333333
n÷3 20251826.5
n÷5 16201461.2

Exponentiation

ny
n2 6562183625377636
n3 5.3158481696916E+23
n4 4.3062253933174E+31
n5 3.4883571814144E+39

Nth Root

y√n
2√n 9000.4058797368
3√n 432.68787943614
4√n 94.870468954974
5√n 38.168477599409

Divisors of 81007306

1, 2, 40503653, 81007306

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 -81007305
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 81007306 can be divided by 4 positive divisors. The sum of these divisors (counting 81007306) is 1, the average is 0.25.

Base conversion 81007306

Base System Value
2 Binary 100110101000001001011001010
3 Ternary 12122102121010121
4 Quaternary 10311001023022
5 Quinary 131214213211
6 Senary 12012133454
8 Octal 465011312
10 Decimal 81007306
12 Duodecimal 2316728a
16 Hexadecimal 4d412ca
20 Vigesimal 1565i56
36 Base36 1c89my

Cryptographic Hash Functions

md5 2f0c7cc943b357309c148db6c108ff65
sha1 3741f59432fcaa778a4b722e8fcef191d1a934f2
sha256 0d34c1e03727252d0a196ed93871ebdda4d6d47749413741379cab7c16d1996d
sha512 b3c7a998d5d20218ad28a1f3c264cea92b4b671b625b7482f9cf76c46a9dc47d6d8ce056dacca3f08749203e47347ab2f7c17cc6557efd28c1f2f5f490f9876a
ripemd-160 a84d45a6818d94150740fe01e2c9df846c071f31

81007306 as geometric shapes

Circle

Radius = n
Diameter 162014612
Circumference 508983914.8334
Area 2.0615707868994E+16

Sphere

Radius = n
Volume 2.2266972743336E+24
Surface area 8.2462831475974E+16
Circumference 508983914.8334

Square

Length = n
Perimeter 324029224
Area 6562183625377636
Diagonal 114561630.79651

Cube

Length = n
Surface area 39373101752265816
Volume 5.3158481696916E+23
Space diagonal 140308769.77628

Equilateral Triangle

Length = n
Perimeter 243021918
Area 2.8415088619376E+15
Altitude 70154384.88814

Triangular Pyramid

Length = n
Surface area 2.8415088619376E+15
Volume 6.2647871475783E+22
Height 38187210.265502