81301943 (number)

81301943 is an odd 8-digits composite number following 81301942 and preceding 81301944. In scientific notation, it is written as 8.1301943 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 81087048 positive integers (up to 81301943) that are relatively prime to 81301943.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1301943 × 10^7
Engineering notation 8.1301943 × 10^6

Prime Factorization of 81301943

Prime Factorization 379 × 214517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81301943
Product of the distinct prime numbers

The prime factorization of 81301943 is 379 × 214517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81301943)

Multiplication

n×y
n×2 162603886
n×3 243905829
n×4 325207772
n×5 406509715

Division

n÷y
n÷2 40650971.5
n÷3 27100647.666667
n÷3 20325485.75
n÷5 16260388.6

Exponentiation

ny
n2 6610005935575249
n3 5.374063258038E+23
n4 4.369217846834E+31
n5 3.5522590033788E+39

Nth Root

y√n
2√n 9016.759007537
3√n 433.21183056343
4√n 94.956616449498
5√n 38.196202308947

Divisors of 81301943

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 -81301942
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 81301943 can be divided by 4 positive divisors. The sum of these divisors (counting 81301943) is 1, the average is 0.25.

Base conversion 81301943

Base System Value
2 Binary 100110110001001000110110111
3 Ternary 12122222120022002
4 Quaternary 10312021012313
5 Quinary 131303130233
6 Senary 12022325515
8 Octal 466110667
10 Decimal 81301943
12 Duodecimal 2328989b
16 Hexadecimal 4d891b7
20 Vigesimal 1582eh3
36 Base36 1cekzb

Cryptographic Hash Functions

md5 df3d4d6c7f980d929eb0ec55a5f9334d
sha1 5828c12c5e9b2b1dd064afebd323dd9b4753fa4c
sha256 803827f857c5d500e257b4c04724fb822b18e216ae9775594fae5a3621e38ef7
sha512 f9f04df1d09ba0dcefcfe7d54f24ad7186a91f1abb0df90e9b9a6b7f5200b113d8ff3d037b5310366bdf6863b1de1a249b9edc5560ab0db6e8a0b78fadf9a719
ripemd-160 85cc5e57060482cbd6de1575ddeafad9a7d00f02

81301943 as geometric shapes

Circle

Radius = n
Diameter 162603886
Circumference 510835173.70275
Area 2.0765946087388E+16

Sphere

Radius = n
Volume 2.2510823535172E+24
Surface area 8.3063784349553E+16
Circumference 510835173.70275

Square

Length = n
Perimeter 325207772
Area 6610005935575249
Diagonal 114978310.43788

Cube

Length = n
Surface area 39660035613451494
Volume 5.374063258038E+23
Space diagonal 140819096.03007

Equilateral Triangle

Length = n
Perimeter 243905829
Area 2.862216529687E+15
Altitude 70409548.015034

Triangular Pyramid

Length = n
Surface area 2.862216529687E+15
Volume 6.3333942871402E+22
Height 38326103.479295