81004085 (number)

81004085 is an odd 8-digits composite number following 81004084 and preceding 81004086. In scientific notation, it is written as 8.1004085 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 61845120 positive integers (up to 81004085) that are relatively prime to 81004085.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand eighty-five

Notation

Scientific notation 8.1004085 × 10^7
Engineering notation 8.1004085 × 10^6

Prime Factorization of 81004085

Prime Factorization 5 × 73 × 31 × 7159

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81004085
Product of the distinct prime numbers

The prime factorization of 81004085 is 5 × 73 × 31 × 7159. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 18, 83, 166, 815, 971, 9141, 5493, 44082, 400175, 575807, 3855205, 7839872, 5173260, 18741528, 536236285, 580120306, 5246344981, 4594508745

Basic calculations (n = 81004085)

Multiplication

n×y
n×2 162008170
n×3 243012255
n×4 324016340
n×5 405020425

Division

n÷y
n÷2 40502042.5
n÷3 27001361.666667
n÷3 20251021.25
n÷5 16200817

Exponentiation

ny
n2 6561661786687225
n3 5.3152140911006E+23
n4 4.3055405402871E+31
n5 3.4876637189637E+39

Nth Root

y√n
2√n 9000.2269415832
3√n 432.68214453723
4√n 94.869525884676
5√n 38.168174064758

Divisors of 81004085

1, 5, 31, 73, 155, 365, 2263, 7159, 11315, 35795, 221929, 522607, 1109645, 2613035, 16200817, 81004085

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81004084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81004085 can be divided by 16 positive divisors. The sum of these divisors (counting 81004085) is 1, the average is 0.0625.

Base conversion 81004085

Base System Value
2 Binary 100110101000000011000110101
3 Ternary 12122102102201022
4 Quaternary 10311000120311
5 Quinary 131214112320
6 Senary 12012110525
8 Octal 465003065
10 Decimal 81004085
12 Duodecimal 23165445
16 Hexadecimal 4d40635
20 Vigesimal 1565a45
36 Base36 1c875h

Cryptographic Hash Functions

md5 92af2ed13ecc6e5149d833d5f4773475
sha1 5cc91f96c99e7cdbcf54e38f37df313112a5162b
sha256 4feda49a20dbb62a950367e53bab7f130c1468142436b61d7e19ba46367c9ed4
sha512 64ccb186aa027ca305e1cf684f577f269be4289fd19373fdcccc924d74c12ee21d2e128040d212f895d01c4e0bc92b5e5dc4bfda76465b01c5f0334003db2796
ripemd-160 7ec26b9f9dcd52114c9f9332770ce18a2873c131

81004085 as geometric shapes

Circle

Radius = n
Diameter 162008170
Circumference 508963676.69353
Area 2.0614068464397E+16

Sphere

Radius = n
Volume 2.2264316721145E+24
Surface area 8.245627385759E+16
Circumference 508963676.69353

Square

Length = n
Perimeter 324016340
Area 6561661786687225
Diagonal 114557075.61462

Cube

Length = n
Surface area 39369970720123350
Volume 5.3152140911006E+23
Space diagonal 140303190.84063

Equilateral Triangle

Length = n
Perimeter 243012255
Area 2.8412828991564E+15
Altitude 70151595.420314

Triangular Pyramid

Length = n
Surface area 2.8412828991564E+15
Volume 6.2640398787926E+22
Height 38185691.871541