81773145 (number)

81773145 is an odd 8-digits composite number following 81773144 and preceding 81773146. In scientific notation, it is written as 8.1773145 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 39564288 positive integers (up to 81773145) that are relatively prime to 81773145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1773145 × 10^7
Engineering notation 8.1773145 × 10^6

Prime Factorization of 81773145

Prime Factorization 3 × 2295 × 3 × 37 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27257715
Product of the distinct prime numbers

The prime factorization of 81773145 is 3 × 2295 × 3 × 37 × 107. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81773145)

Multiplication

n×y
n×2 163546290
n×3 245319435
n×4 327092580
n×5 408865725

Division

n÷y
n÷2 40886572.5
n÷3 27257715
n÷3 20443286.25
n÷5 16354629

Exponentiation

ny
n2 6686847243191025
n3 5.4680452921031E+23
n4 4.4713926053771E+31
n5 3.6563983587143E+39

Nth Root

y√n
2√n 9042.8504908574
3√n 434.04714141739
4√n 95.093903542012
5√n 38.240374799885

Divisors of 81773145

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 -81773144
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 81773145 can be divided by 24 positive divisors. The sum of these divisors (counting 81773145) is 1, the average is 0.041666666666667.

Base conversion 81773145

Base System Value
2 Binary 100110111111100001001011001
3 Ternary 12200212111200000
4 Quaternary 10313330021121
5 Quinary 131413220040
6 Senary 12040403213
8 Octal 467741131
10 Decimal 81773145
12 Duodecimal 23476509
16 Hexadecimal 4dfc259
20 Vigesimal 15b1ch5
36 Base36 1cook9

Cryptographic Hash Functions

md5 0628922ec80405b5dcf3489e7bf25c65
sha1 a2324f78054bc770413077baafb3aa6b7f2b0111
sha256 1d6c57c6b04f463665e7d28e1108ebd65a91b3c23fb3917b37f9e0c02027faa2
sha512 5251dbbb3411b95dc6a01cc458280f40e29954505ddba6a9c911528a4c01a91bf8d227a6043c8d55f4f0fadd96a3f138dc60ac416d3599ba8da62ebdbf4c7313
ripemd-160 35b6256d0f8f5961be4bf6dc0e32f3f95b7aeb43

81773145 as geometric shapes

Circle

Radius = n
Diameter 163546290
Circumference 513795823.18587
Area 2.1007350174886E+16

Sphere

Radius = n
Volume 2.290449455889E+24
Surface area 8.4029400699544E+16
Circumference 513795823.18587

Square

Length = n
Perimeter 327092580
Area 6686847243191025
Diagonal 115644690.6969

Cube

Length = n
Surface area 40121083459146150
Volume 5.4680452921031E+23
Space diagonal 141635241.8347

Equilateral Triangle

Length = n
Perimeter 245319435
Area 2.8954897919147E+15
Altitude 70817620.917348

Triangular Pyramid

Length = n
Surface area 2.8954897919147E+15
Volume 6.4441531764688E+22
Height 38548230.232301