81016875 (number)

81016875 is an odd 8-digits composite number following 81016874 and preceding 81016876. In scientific notation, it is written as 8.1016875 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 43200000 positive integers (up to 81016875) that are relatively prime to 81016875.

Interesting facts

Basic properties

Name

Name eighty-one million sixteen thousand eight hundred seventy-five

Notation

Scientific notation 8.1016875 × 10^7
Engineering notation 8.1016875 × 10^6

Prime Factorization of 81016875

Prime Factorization 3 × 3 × 15 × 125 × 4801

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27005625
Product of the distinct prime numbers

The prime factorization of 81016875 is 3 × 3 × 15 × 125 × 4801. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 85, 90, 930, 122, 1666, 2937, 82359, 32187, 507487, 428827, 7665011, 4013542, 67737784, 42956251, 970912428, 373106897, 4836362239, 7425164385

Basic calculations (n = 81016875)

Multiplication

n×y
n×2 162033750
n×3 243050625
n×4 324067500
n×5 405084375

Division

n÷y
n÷2 40508437.5
n÷3 27005625
n÷3 20254218.75
n÷5 16203375

Exponentiation

ny
n2 6563734034765625
n3 5.3177321982785E+23
n4 4.3082604479141E+31
n5 3.490417981761E+39

Nth Root

y√n
2√n 9000.937451177
3√n 432.70491587192
4√n 94.873270477922
5√n 38.169379288217

Divisors of 81016875

1, 3, 9, 15, 45, 125, 135, 375, 1125, 1875, 4801, 5625, 14403, 16875, 43209, 72015, 216045, 600125, 648135, 1800375, 5401125, 9001875, 27005625, 81016875

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81016874
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81016875 can be divided by 24 positive divisors. The sum of these divisors (counting 81016875) is 1, the average is 0.041666666666667.

Base conversion 81016875

Base System Value
2 Binary 100110101000011100000101011
3 Ternary 12122110002021000
4 Quaternary 10311003200223
5 Quinary 131220020000
6 Senary 12012250043
8 Octal 465034053
10 Decimal 81016875
12 Duodecimal 23170923
16 Hexadecimal 4d4382b
20 Vigesimal 156723f
36 Base36 1c8h0r

Cryptographic Hash Functions

md5 4f241e58d59007f2e4066f7178d9030e
sha1 68063e0c18216bac4a8e80deada5100503d67bbc
sha256 5462d421e2a0b59981672a4c45817f41ffca0bc9b60b349baed3cbb3fd83d98f
sha512 bd1c75da5063e9db15b222efab929c50374c52f66c6a96dd6261dc623992632c69d7c9dc09fb01cdd56f8b1ac3284dddbbd6b562cc687a5006500f2bc6e7f8f3
ripemd-160 5c6c4771132c23f01353db825449a443879a09d7

81016875 as geometric shapes

Circle

Radius = n
Diameter 162033750
Circumference 509044038.63361
Area 2.0620578623737E+16

Sphere

Radius = n
Volume 2.2274864543826E+24
Surface area 8.2482314494948E+16
Circumference 509044038.63361

Square

Length = n
Perimeter 324067500
Area 6563734034765625
Diagonal 114575163.40609

Cube

Length = n
Surface area 39382404208593750
Volume 5.3177321982785E+23
Space diagonal 140325343.77046

Equilateral Triangle

Length = n
Perimeter 243050625
Area 2.8421802088958E+15
Altitude 70162671.885228

Triangular Pyramid

Length = n
Surface area 2.8421802088958E+15
Volume 6.2670074965613E+22
Height 38191721.135362