81363965 (number)

81363965 is an odd 8-digits composite number following 81363964 and preceding 81363966. In scientific notation, it is written as 8.1363965 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 64817872 positive integers (up to 81363965) that are relatively prime to 81363965.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-three thousand nine hundred sixty-five

Notation

Scientific notation 8.1363965 × 10^7
Engineering notation 8.1363965 × 10^6

Prime Factorization of 81363965

Prime Factorization 5 × 239 × 68087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81363965
Product of the distinct prime numbers

The prime factorization of 81363965 is 5 × 239 × 68087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81363965)

Multiplication

n×y
n×2 162727930
n×3 244091895
n×4 325455860
n×5 406819825

Division

n÷y
n÷2 40681982.5
n÷3 27121321.666667
n÷3 20340991.25
n÷5 16272793

Exponentiation

ny
n2 6620094800521225
n3 5.3863716164629E+23
n4 4.3825655167888E+31
n5 3.5658290731821E+39

Nth Root

y√n
2√n 9020.1976142433
3√n 433.32196255502
4√n 94.974720922166
5√n 38.202028202438

Divisors of 81363965

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 -81363964
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 81363965 can be divided by 8 positive divisors. The sum of these divisors (counting 81363965) is 1, the average is 0.125.

Base conversion 81363965

Base System Value
2 Binary 100110110011000001111111101
3 Ternary 12200002201101012
4 Quaternary 10312120033331
5 Quinary 131312121330
6 Senary 12023525005
8 Octal 466301775
10 Decimal 81363965
12 Duodecimal 232b9765
16 Hexadecimal 4d983fd
20 Vigesimal 158a9i5
36 Base36 1cfwu5

Cryptographic Hash Functions

md5 4bdd0608516df47c98bcaad83605f5a1
sha1 bdf4f4dbc5ba4f6156c708285f4c8451af512c72
sha256 8fb1ac1ff3b337263ef2c369224c4b597d72638146e19d25556c7cc98959352b
sha512 6f461610b9ef18d4215a3b0079e8a3b3e03c0706b928fa8d23271e4d5fb8151769af746ee772ae7a5b634c1082c459cdda751372e0e4eac18984cce5af642102
ripemd-160 10a203ebd3e46a9c29dede1e49a7076e3b19a4ae

81363965 as geometric shapes

Circle

Radius = n
Diameter 162727930
Circumference 511224869.42187
Area 2.0797641191385E+16

Sphere

Radius = n
Volume 2.2562380666379E+24
Surface area 8.3190564765542E+16
Circumference 511224869.42187

Square

Length = n
Perimeter 325455860
Area 6620094800521225
Diagonal 115066022.79145

Cube

Length = n
Surface area 39720568803127350
Volume 5.3863716164629E+23
Space diagonal 140926521.28526

Equilateral Triangle

Length = n
Perimeter 244091895
Area 2.8665851363563E+15
Altitude 70463260.642628

Triangular Pyramid

Length = n
Surface area 2.8665851363563E+15
Volume 6.3478998266528E+22
Height 38355340.930483