81309077 (number)

81309077 is an odd 8-digits composite number following 81309076 and preceding 81309078. In scientific notation, it is written as 8.1309077 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 81290976 positive integers (up to 81309077) that are relatively prime to 81309077.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1309077 × 10^7
Engineering notation 8.1309077 × 10^6

Prime Factorization of 81309077

Prime Factorization 8269 × 9833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81309077
Product of the distinct prime numbers

The prime factorization of 81309077 is 8269 × 9833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81309077)

Multiplication

n×y
n×2 162618154
n×3 243927231
n×4 325236308
n×5 406545385

Division

n÷y
n÷2 40654538.5
n÷3 27103025.666667
n÷3 20327269.25
n÷5 16261815.4

Exponentiation

ny
n2 6611166002591929
n3 5.3754780556453E+23
n4 4.3707515913827E+31
n5 3.5538177769161E+39

Nth Root

y√n
2√n 9017.1545955473
3√n 433.22450120284
4√n 94.95869942005
5√n 38.196872605704

Divisors of 81309077

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 -81309076
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 81309077 can be divided by 4 positive divisors. The sum of these divisors (counting 81309077) is 1, the average is 0.25.

Base conversion 81309077

Base System Value
2 Binary 100110110001010110110010101
3 Ternary 12122222221002022
4 Quaternary 10312022312111
5 Quinary 131303342302
6 Senary 12022422525
8 Octal 466126625
10 Decimal 81309077
12 Duodecimal 23291a45
16 Hexadecimal 4d8ad95
20 Vigesimal 1583cdh
36 Base36 1ceqhh

Cryptographic Hash Functions

md5 2df1bdf1d80257a2b54284624303ec38
sha1 c9918f37c3c814765fc5c892e0febb4b63b17b1f
sha256 6e74d83ac08d2366f72ff4bcc517e83d5188d973f053a085b905367c99d7bb3d
sha512 3f9e02c47a55e898aec17ce3c80d0b62af17d0d64611f602652f96ceb00dc8f1847268f3d94ebc897547b95dbcf028258b94212b7c9bb6b989dd0cccdfa96903
ripemd-160 e429bbb6339a89caac45ca8fb912792bcdd658b0

81309077 as geometric shapes

Circle

Radius = n
Diameter 162618154
Circumference 510879997.94673
Area 2.0769590545405E+16

Sphere

Radius = n
Volume 2.2516749825531E+24
Surface area 8.3078362181622E+16
Circumference 510879997.94673

Square

Length = n
Perimeter 325236308
Area 6611166002591929
Diagonal 114988399.43744

Cube

Length = n
Surface area 39666996015551574
Volume 5.3754780556453E+23
Space diagonal 140831452.48053

Equilateral Triangle

Length = n
Perimeter 243927231
Area 2.8627188534403E+15
Altitude 70415726.240265

Triangular Pyramid

Length = n
Surface area 2.8627188534403E+15
Volume 6.3350616421104E+22
Height 38329466.479146