81008073 (number)

81008073 is an odd 8-digits composite number following 81008072 and preceding 81008074. In scientific notation, it is written as 8.1008073 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 54005364 positive integers (up to 81008073) that are relatively prime to 81008073.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand seventy-three

Notation

Scientific notation 8.1008073 × 10^7
Engineering notation 8.1008073 × 10^6

Prime Factorization of 81008073

Prime Factorization 9 × 3 × 3000299

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81008073
Product of the distinct prime numbers

The prime factorization of 81008073 is 9 × 3 × 3000299. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81008073)

Multiplication

n×y
n×2 162016146
n×3 243024219
n×4 324032292
n×5 405040365

Division

n÷y
n÷2 40504036.5
n÷3 27002691
n÷3 20252018.25
n÷5 16201614.6

Exponentiation

ny
n2 6562307891173329
n3 5.3159991669665E+23
n4 4.3063884858556E+31
n5 3.4885223282855E+39

Nth Root

y√n
2√n 9000.4484888254
3√n 432.68924503542
4√n 94.87069351926
5√n 38.168549877115

Divisors of 81008073

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 -81008072
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 81008073 can be divided by 8 positive divisors. The sum of these divisors (counting 81008073) is 1, the average is 0.125.

Base conversion 81008073

Base System Value
2 Binary 100110101000001010111001001
3 Ternary 12122102122012000
4 Quaternary 10311001113021
5 Quinary 131214224243
6 Senary 12012141213
8 Octal 465012711
10 Decimal 81008073
12 Duodecimal 23167809
16 Hexadecimal 4d415c9
20 Vigesimal 156603d
36 Base36 1c8a89

Cryptographic Hash Functions

md5 17ffa09d5afcb5b92cc21f64c98fd9d8
sha1 77c405bec0054f06ecb2172021b77e04abb2da33
sha256 e8be13463efb22c6d1635261a43042cb4ddc512fddaf87269872ef586854088b
sha512 c4d2dca4dc8a1c77a2dc17b487f91f5a8a440017c9550eb5c56cffe16fec7204943c30326c44ab018c4fbb766b2cbaef34ab5e29a7217b330135b6fb2072a198
ripemd-160 fa87dc5538e89cff33d0c87f15520a2fb9d7dcd4

81008073 as geometric shapes

Circle

Radius = n
Diameter 162016146
Circumference 508988734.03653
Area 2.0616098261504E+16

Sphere

Radius = n
Volume 2.2267605239242E+24
Surface area 8.2464393046018E+16
Circumference 508988734.03653

Square

Length = n
Perimeter 324032292
Area 6562307891173329
Diagonal 114562715.49831

Cube

Length = n
Surface area 39373847347039974
Volume 5.3159991669665E+23
Space diagonal 140310098.25925

Equilateral Triangle

Length = n
Perimeter 243024219
Area 2.8415626706056E+15
Altitude 70155049.129624

Triangular Pyramid

Length = n
Surface area 2.8415626706056E+15
Volume 6.2649650995734E+22
Height 38187571.83277