81097923 (number)

81097923 is an odd 8-digits composite number following 81097922 and preceding 81097924. In scientific notation, it is written as 8.1097923 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54065280 positive integers (up to 81097923) that are relatively prime to 81097923.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-seven thousand nine hundred twenty-three

Notation

Scientific notation 8.1097923 × 10^7
Engineering notation 8.1097923 × 10^6

Prime Factorization of 81097923

Prime Factorization 3 × 27032641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81097923
Product of the distinct prime numbers

The prime factorization of 81097923 is 3 × 27032641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81097923)

Multiplication

n×y
n×2 162195846
n×3 243293769
n×4 324391692
n×5 405489615

Division

n÷y
n÷2 40548961.5
n÷3 27032641
n÷3 20274480.75
n÷5 16219584.6

Exponentiation

ny
n2 6576873114913929
n3 5.3337074945406E+23
n4 4.3255259969678E+31
n5 3.5079117423659E+39

Nth Root

y√n
2√n 9005.4385234701
3√n 432.84915816741
4√n 94.896989011613
5√n 38.177013042787

Divisors of 81097923

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 -81097922
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 81097923 can be divided by 4 positive divisors. The sum of these divisors (counting 81097923) is 1, the average is 0.25.

Base conversion 81097923

Base System Value
2 Binary 100110101010111010011000011
3 Ternary 12122121012102210
4 Quaternary 10311113103003
5 Quinary 131230113143
6 Senary 12014113203
8 Octal 465272303
10 Decimal 81097923
12 Duodecimal 231ab803
16 Hexadecimal 4d574c3
20 Vigesimal 156h4g3
36 Base36 1ca7k3

Cryptographic Hash Functions

md5 1a29756df16af35eacf415951fa2a913
sha1 d41437a5d9ee4d328332f0bcae271589324fb528
sha256 90337a0d32ffbc4cd80afe762f968ec93c61165a29ec132d63f6db64d44cc11d
sha512 97a1b92e26be3c6bc4bd6c622895c6fa9eebb3adab4015daa88e7b1fc4adac720391d6bf1a57ff04a3c08f74c061505c4c458f93bbd3ebee1feef91f2e8da5fd
ripemd-160 a2df33435ce603b6706ad0cdc3d851fdc01581cc

81097923 as geometric shapes

Circle

Radius = n
Diameter 162195846
Circumference 509553278.23638
Area 2.0661856261406E+16

Sphere

Radius = n
Volume 2.2341781708327E+24
Surface area 8.2647425045623E+16
Circumference 509553278.23638

Square

Length = n
Perimeter 324391692
Area 6576873114913929
Diagonal 114689782.58689

Cube

Length = n
Surface area 39461238689483574
Volume 5.3337074945406E+23
Space diagonal 140465723.02431

Equilateral Triangle

Length = n
Perimeter 243293769
Area 2.8478695974912E+15
Altitude 70232861.512154

Triangular Pyramid

Length = n
Surface area 2.8478695974912E+15
Volume 6.2858345637586E+22
Height 38229927.528963