81703913 (number)

81703913 is an odd 8-digits composite number following 81703912 and preceding 81703914. In scientific notation, it is written as 8.1703913 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 79307424 positive integers (up to 81703913) that are relatively prime to 81703913.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred three thousand nine hundred thirteen

Notation

Scientific notation 8.1703913 × 10^7
Engineering notation 8.1703913 × 10^6

Prime Factorization of 81703913

Prime Factorization 43 × 163 × 11657

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81703913
Product of the distinct prime numbers

The prime factorization of 81703913 is 43 × 163 × 11657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81703913)

Multiplication

n×y
n×2 163407826
n×3 245111739
n×4 326815652
n×5 408519565

Division

n÷y
n÷2 40851956.5
n÷3 27234637.666667
n÷3 20425978.25
n÷5 16340782.6

Exponentiation

ny
n2 6675529399511569
n3 5.4541687328664E+23
n4 4.4562692763743E+31
n5 3.6409463726146E+39

Nth Root

y√n
2√n 9039.0216837886
3√n 433.92461367665
4√n 95.073769693794
5√n 38.233897478618

Divisors of 81703913

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 -81703912
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 81703913 can be divided by 8 positive divisors. The sum of these divisors (counting 81703913) is 1, the average is 0.125.

Base conversion 81703913

Base System Value
2 Binary 100110111101011001111101001
3 Ternary 12200201222200212
4 Quaternary 10313223033221
5 Quinary 131404011123
6 Senary 12035110505
8 Octal 467531751
10 Decimal 81703913
12 Duodecimal 23442435
16 Hexadecimal 4deb3e9
20 Vigesimal 15acjfd
36 Base36 1cn755

Cryptographic Hash Functions

md5 9b37a030cb3b5f33b516b9b1dddb452d
sha1 5b947781387c01ef24c3d8098184249ba0cae18a
sha256 a501c6ccea6a94a3745181ee21df65b9743f67a452e430f1803b0ae159ee944f
sha512 73b691de1ace3bab4fbfe4f6a78c2ae274b1a7715fad5dfc78f5394d53a14dd92efd2756243ae2bb76f9a59af28f273beda18311db38d1f6422543eff892548f
ripemd-160 e3f3270eb3e15c7abe6b9d63a03dc3d7308cfac4

81703913 as geometric shapes

Circle

Radius = n
Diameter 163407826
Circumference 513360825.70068
Area 2.0971794120328E+16

Sphere

Radius = n
Volume 2.2846368563483E+24
Surface area 8.3887176481313E+16
Circumference 513360825.70068

Square

Length = n
Perimeter 326815652
Area 6675529399511569
Diagonal 115546781.86355

Cube

Length = n
Surface area 40053176397069414
Volume 5.4541687328664E+23
Space diagonal 141515328.49319

Equilateral Triangle

Length = n
Perimeter 245111739
Area 2.8905890218434E+15
Altitude 70757664.246594

Triangular Pyramid

Length = n
Surface area 2.8905890218434E+15
Volume 6.4277994945757E+22
Height 38515593.954517