81743485 (number)

81743485 is an odd 8-digits composite number following 81743484 and preceding 81743486. In scientific notation, it is written as 8.1743485 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 65394784 positive integers (up to 81743485) that are relatively prime to 81743485.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1743485 × 10^7
Engineering notation 8.1743485 × 10^6

Prime Factorization of 81743485

Prime Factorization 5 × 16348697

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81743485
Product of the distinct prime numbers

The prime factorization of 81743485 is 5 × 16348697. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81743485)

Multiplication

n×y
n×2 163486970
n×3 245230455
n×4 326973940
n×5 408717425

Division

n÷y
n÷2 40871742.5
n÷3 27247828.333333
n÷3 20435871.25
n÷5 16348697

Exponentiation

ny
n2 6681997339945225
n3 5.4620974932785E+23
n4 4.4649088451035E+31
n5 3.6497720920609E+39

Nth Root

y√n
2√n 9041.210372511
3√n 433.99465721441
4√n 95.085279473276
5√n 38.237600358207

Divisors of 81743485

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81743484
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81743485 can be divided by 4 positive divisors. The sum of these divisors (counting 81743485) is 1, the average is 0.25.

Base conversion 81743485

Base System Value
2 Binary 100110111110100111001111101
3 Ternary 12200210222222111
4 Quaternary 10313310321331
5 Quinary 131411242420
6 Senary 12040014021
8 Octal 467647175
10 Decimal 81743485
12 Duodecimal 23461311
16 Hexadecimal 4df4e7d
20 Vigesimal 15ahie5
36 Base36 1co1od

Cryptographic Hash Functions

md5 90942fc3aaf21002c4e8647eafb970c1
sha1 18bc472ab73bb4a7112e8085b73e7dba0a0fcdad
sha256 9a5510569d3e3e5da096a3db7531f21780601807c074c6810ebbc5d9b700e2d7
sha512 fd05abac21b6078d715f51431a49d5ee56707ebce9fb6a3bc706d0f16ecb3aff478f684951d8fb7017c997c182cdcf32236262df827275afdda0a97e3d8298ac
ripemd-160 b1550ed6b6d14efa9b78352445f6069b8ccdadd4

81743485 as geometric shapes

Circle

Radius = n
Diameter 163486970
Circumference 513609463.90965
Area 2.0992113754478E+16

Sphere

Radius = n
Volume 2.2879580477433E+24
Surface area 8.3968455017914E+16
Circumference 513609463.90965

Square

Length = n
Perimeter 326973940
Area 6681997339945225
Diagonal 115602745.12264

Cube

Length = n
Surface area 40091984039671350
Volume 5.4620974932785E+23
Space diagonal 141583869.20774

Equilateral Triangle

Length = n
Perimeter 245230455
Area 2.8933897222063E+15
Altitude 70791934.603872

Triangular Pyramid

Length = n
Surface area 2.8933897222063E+15
Volume 6.4371436283321E+22
Height 38534248.374214