81008075 (number)

81008075 is an odd 8-digits composite number following 81008074 and preceding 81008076. In scientific notation, it is written as 8.1008075 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 64390560 positive integers (up to 81008075) that are relatively prime to 81008075.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand seventy-five

Notation

Scientific notation 8.1008075 × 10^7
Engineering notation 8.1008075 × 10^6

Prime Factorization of 81008075

Prime Factorization 5 × 5 × 157 × 20639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16201615
Product of the distinct prime numbers

The prime factorization of 81008075 is 5 × 5 × 157 × 20639. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 77, 99, 394, 588, 8021, 6006, 96071, 18846, 263127, 875766, 5106025, 8409046, 55737352, 66185446, 87846253, 344773620, 3231395130, 5582123782

Basic calculations (n = 81008075)

Multiplication

n×y
n×2 162016150
n×3 243024225
n×4 324032300
n×5 405040375

Division

n÷y
n÷2 40504037.5
n÷3 27002691.666667
n÷3 20252018.75
n÷5 16201615

Exponentiation

ny
n2 6562308215205625
n3 5.3159995607049E+23
n4 4.3063889111355E+31
n5 3.4885227589243E+39

Nth Root

y√n
2√n 9000.448599931
3√n 432.68924859629
4√n 94.870694104824
5√n 38.168550065583

Divisors of 81008075

1, 5, 25, 157, 785, 3925, 20639, 103195, 515975, 3240323, 16201615, 81008075

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81008074
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81008075 can be divided by 12 positive divisors. The sum of these divisors (counting 81008075) is 1, the average is 0.083333333333333.

Base conversion 81008075

Base System Value
2 Binary 100110101000001010111001011
3 Ternary 12122102122012002
4 Quaternary 10311001113023
5 Quinary 131214224300
6 Senary 12012141215
8 Octal 465012713
10 Decimal 81008075
12 Duodecimal 2316780b
16 Hexadecimal 4d415cb
20 Vigesimal 156603f
36 Base36 1c8a8b

Cryptographic Hash Functions

md5 836d0c633c75c1c91a9328a9701fee62
sha1 4118d084bf80b62b655daf8a9c7bf3c379f24691
sha256 436ecae0a0efa4e46c94f173df9c02f3c2d9da2b70e760f0c7a5c90221550eb5
sha512 374e355f89ee46236030181f31d309737d5f964127d65ec03f4ab98cf7bd5c54a45b38e22ad3589aaebe88b2ff00b34bf585c5f92b9620c19d46ac13c2f214c2
ripemd-160 48798d7e98eb28d23b30face2fc1a211a6c562fb

81008075 as geometric shapes

Circle

Radius = n
Diameter 162016150
Circumference 508988746.6029
Area 2.0616099279482E+16

Sphere

Radius = n
Volume 2.226760688853E+24
Surface area 8.2464397117928E+16
Circumference 508988746.6029

Square

Length = n
Perimeter 324032300
Area 6562308215205625
Diagonal 114562718.32674

Cube

Length = n
Surface area 39373849291233750
Volume 5.3159995607049E+23
Space diagonal 140310101.72335

Equilateral Triangle

Length = n
Perimeter 243024225
Area 2.8415628109157E+15
Altitude 70155050.861675

Triangular Pyramid

Length = n
Surface area 2.8415628109157E+15
Volume 6.2649655635986E+22
Height 38187572.775579