81707045 (number)

81707045 is an odd 8-digits composite number following 81707044 and preceding 81707046. In scientific notation, it is written as 8.1707045 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 55866240 positive integers (up to 81707045) that are relatively prime to 81707045.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seven thousand forty-five

Notation

Scientific notation 8.1707045 × 10^7
Engineering notation 8.1707045 × 10^6

Prime Factorization of 81707045

Prime Factorization 7 × 5 × 367 × 6361

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81707045
Product of the distinct prime numbers

The prime factorization of 81707045 is 7 × 5 × 367 × 6361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81707045)

Multiplication

n×y
n×2 163414090
n×3 245121135
n×4 326828180
n×5 408535225

Division

n÷y
n÷2 40853522.5
n÷3 27235681.666667
n÷3 20426761.25
n÷5 16341409

Exponentiation

ny
n2 6676041202632025
n3 5.4547959896531E+23
n4 4.456952613924E+31
n5 3.6416442778876E+39

Nth Root

y√n
2√n 9039.1949309659
3√n 433.93015822759
4√n 95.074680809172
5√n 38.234190602231

Divisors of 81707045

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 -81707044
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 81707045 can be divided by 16 positive divisors. The sum of these divisors (counting 81707045) is 1, the average is 0.0625.

Base conversion 81707045

Base System Value
2 Binary 100110111101100000000100101
3 Ternary 12200202010222212
4 Quaternary 10313230000211
5 Quinary 131404111140
6 Senary 12035133205
8 Octal 467540045
10 Decimal 81707045
12 Duodecimal 23444205
16 Hexadecimal 4dec025
20 Vigesimal 15ad7c5
36 Base36 1cn9k5

Cryptographic Hash Functions

md5 dec6c33b22f69cb6fbec3a6d88260a94
sha1 ee4edddb8dfb4854c66dac46ddcc3d9e7fc0b445
sha256 c57b84f687005e2254c73ba6f44b060a7acf89ba33c07c23dd1acd47d0bb5f3b
sha512 77c1924861ca813c3769e0931521a17f0e62c1dd0ec68541bb9855e7412ca06276cff331141fb2d842d084161fd585ca1d9833415c13b5de5b3e817a71d69090
ripemd-160 80e06ca418b1f311feddf33863b0d4a820890f4a

81707045 as geometric shapes

Circle

Radius = n
Diameter 163414090
Circumference 513380504.63706
Area 2.0973401997252E+16

Sphere

Radius = n
Volume 2.2848996010567E+24
Surface area 8.3893607989006E+16
Circumference 513380504.63706

Square

Length = n
Perimeter 326828180
Area 6676041202632025
Diagonal 115551211.18043

Cube

Length = n
Surface area 40056247215792150
Volume 5.4547959896531E+23
Space diagonal 141520753.27632

Equilateral Triangle

Length = n
Perimeter 245121135
Area 2.8908106390955E+15
Altitude 70760376.638158

Triangular Pyramid

Length = n
Surface area 2.8908106390955E+15
Volume 6.4285387237881E+22
Height 38517070.393476