81004087 (number)

81004087 is an odd 8-digits composite number following 81004086 and preceding 81004088. In scientific notation, it is written as 8.1004087 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 74760192 positive integers (up to 81004087) that are relatively prime to 81004087.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand eighty-seven

Notation

Scientific notation 8.1004087 × 10^7
Engineering notation 8.1004087 × 10^6

Prime Factorization of 81004087

Prime Factorization 19 × 53 × 313 × 257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81004087
Product of the distinct prime numbers

The prime factorization of 81004087 is 19 × 53 × 313 × 257. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 95, 40, 244, 318, 3760, 7731, 64174, 20539, 278288, 313714, 321887, 2310144, 51123772, 58174658, 304105577, 50189058, 2013191921, 9412920405

Basic calculations (n = 81004087)

Multiplication

n×y
n×2 162008174
n×3 243012261
n×4 324016348
n×5 405020435

Division

n÷y
n÷2 40502043.5
n÷3 27001362.333333
n÷3 20251021.75
n÷5 16200817.4

Exponentiation

ny
n2 6561662110703569
n3 5.3152144848004E+23
n4 4.3055409655043E+31
n5 3.4876641495177E+39

Nth Root

y√n
2√n 9000.2270526915
3√n 432.68214809822
4√n 94.869526470261
5√n 38.168174253233

Divisors of 81004087

1, 19, 53, 257, 313, 1007, 4883, 5947, 13621, 16589, 80441, 258799, 315191, 1528379, 4263373, 81004087

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 -81004086
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 81004087 can be divided by 16 positive divisors. The sum of these divisors (counting 81004087) is 1, the average is 0.0625.

Base conversion 81004087

Base System Value
2 Binary 100110101000000011000110111
3 Ternary 12122102102201101
4 Quaternary 10311000120313
5 Quinary 131214112322
6 Senary 12012110531
8 Octal 465003067
10 Decimal 81004087
12 Duodecimal 23165447
16 Hexadecimal 4d40637
20 Vigesimal 1565a47
36 Base36 1c875j

Cryptographic Hash Functions

md5 025f60147cb79886bcc8314ffeff862a
sha1 d56eac7c706e9680ab6f718138aff93e37e515b5
sha256 7537a763d10d05aa768c631d9a8c6cc2bb1257059197faab62119ed9fe87c455
sha512 a5da492c940f96be9544417ab39fc6fb1d432db785aa03c7c34117006d7f7562676f73091bc4f5529a6233dfd81435fde0eeed7c772007d8e49de1bb2c7f3571
ripemd-160 c75e2410eb4e38654d91af84df760fae37d608d8

81004087 as geometric shapes

Circle

Radius = n
Diameter 162008174
Circumference 508963689.2599
Area 2.0614069482325E+16

Sphere

Radius = n
Volume 2.226431837027E+24
Surface area 8.2456277929299E+16
Circumference 508963689.2599

Square

Length = n
Perimeter 324016348
Area 6561662110703569
Diagonal 114557078.44305

Cube

Length = n
Surface area 39369972664221414
Volume 5.3152144848004E+23
Space diagonal 140303194.30473

Equilateral Triangle

Length = n
Perimeter 243012261
Area 2.8412830394596E+15
Altitude 70151597.152365

Triangular Pyramid

Length = n
Surface area 2.8412830394596E+15
Volume 6.2640403427722E+22
Height 38185692.81435