81008079 (number)

81008079 is an odd 8-digits composite number following 81008078 and preceding 81008080. In scientific notation, it is written as 8.1008079 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 53963520 positive integers (up to 81008079) that are relatively prime to 81008079.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand seventy-nine

Notation

Scientific notation 8.1008079 × 10^7
Engineering notation 8.1008079 × 10^6

Prime Factorization of 81008079

Prime Factorization 3 × 1381 × 19553

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81008079
Product of the distinct prime numbers

The prime factorization of 81008079 is 3 × 1381 × 19553. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81008079)

Multiplication

n×y
n×2 162016158
n×3 243024237
n×4 324032316
n×5 405040395

Division

n÷y
n÷2 40504039.5
n÷3 27002693
n÷3 20252019.75
n÷5 16201615.8

Exponentiation

ny
n2 6562308863270241
n3 5.316000348182E+23
n4 4.3063897616955E+31
n5 3.4885236202022E+39

Nth Root

y√n
2√n 9000.4488221421
3√n 432.68925571804
4√n 94.87069527595
5√n 38.168550442519

Divisors of 81008079

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 -81008078
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 81008079 can be divided by 8 positive divisors. The sum of these divisors (counting 81008079) is 1, the average is 0.125.

Base conversion 81008079

Base System Value
2 Binary 100110101000001010111001111
3 Ternary 12122102122012020
4 Quaternary 10311001113033
5 Quinary 131214224304
6 Senary 12012141223
8 Octal 465012717
10 Decimal 81008079
12 Duodecimal 23167813
16 Hexadecimal 4d415cf
20 Vigesimal 156603j
36 Base36 1c8a8f

Cryptographic Hash Functions

md5 b2248c0680bddef06ced2f3e90189711
sha1 8beb0991284dc99a2950922bb7e4accf21b74e3c
sha256 d2581b8fe5c69f6e512664aeb205a8ed7f6fbc6d005aeaa38d9bb92d72d29be9
sha512 c4caf033c173e9bfc417eb67243c931c8011a6a615965c171a3a55696061640078b1e203a88dd116851f415adb61d50b85aa50d0a46d07255ba05ad18aeeb02c
ripemd-160 b25cceab4250bccbe0c3aae368f4d9465ff24cb9

81008079 as geometric shapes

Circle

Radius = n
Diameter 162016158
Circumference 508988771.73564
Area 2.0616101315437E+16

Sphere

Radius = n
Volume 2.2267610187106E+24
Surface area 8.2464405261748E+16
Circumference 508988771.73564

Square

Length = n
Perimeter 324032316
Area 6562308863270241
Diagonal 114562723.98359

Cube

Length = n
Surface area 39373853179621446
Volume 5.316000348182E+23
Space diagonal 140310108.65155

Equilateral Triangle

Length = n
Perimeter 243024237
Area 2.8415630915359E+15
Altitude 70155054.325777

Triangular Pyramid

Length = n
Surface area 2.8415630915359E+15
Volume 6.2649664916492E+22
Height 38187574.661197