81683085 (number)

81683085 is an odd 8-digits composite number following 81683084 and preceding 81683086. In scientific notation, it is written as 8.1683085 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 39291200 positive integers (up to 81683085) that are relatively prime to 81683085.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty-three thousand eighty-five

Notation

Scientific notation 8.1683085 × 10^7
Engineering notation 8.1683085 × 10^6

Prime Factorization of 81683085

Prime Factorization 11 × 3 × 5 × 131 × 3779

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81683085
Product of the distinct prime numbers

The prime factorization of 81683085 is 11 × 3 × 5 × 131 × 3779. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 40, 18, 672, 24, 2253, 7796, 98346, 35428, 426928, 970261, 3326313, 4304031, 48297520, 51088294, 203499825, 231561286, 1486550928, 9457708151

Basic calculations (n = 81683085)

Multiplication

n×y
n×2 163366170
n×3 245049255
n×4 326732340
n×5 408415425

Division

n÷y
n÷2 40841542.5
n÷3 27227695
n÷3 20420771.25
n÷5 16336617

Exponentiation

ny
n2 6672126375117225
n3 5.4499986582944E+23
n4 4.4517270365535E+31
n5 3.636307979236E+39

Nth Root

y√n
2√n 9037.8694945214
3√n 433.88773845406
4√n 95.067710051949
5√n 38.231947959187

Divisors of 81683085

1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1441, 1965, 3779, 4323, 7205, 11337, 18895, 21615, 41569, 56685, 124707, 207845, 495049, 623535, 1485147, 2475245, 5445539, 7425735, 16336617, 27227695, 81683085

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81683084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81683085 can be divided by 32 positive divisors. The sum of these divisors (counting 81683085) is 1, the average is 0.03125.

Base conversion 81683085

Base System Value
2 Binary 100110111100110001010001101
3 Ternary 12200200221010110
4 Quaternary 10313212022031
5 Quinary 131402324320
6 Senary 12034430233
8 Octal 467461215
10 Decimal 81683085
12 Duodecimal 23432379
16 Hexadecimal 4de628d
20 Vigesimal 15aa7e5
36 Base36 1cmr2l

Cryptographic Hash Functions

md5 90cf5f05b388ff79e2ced2deded42ab1
sha1 3b37bb83cef4262ff060127330a04a8cde045578
sha256 61fa5d5df20e995ccaef7cf1295186a482b59ecc33c07153dbb64609663f1304
sha512 bbdd77fff67672c4260ceb40189a8fccbd379238e1ea4698ef09810052d52063ec28603a01273369b8b226416cfb3b3f9520a2337b4020de80f1565799579fb9
ripemd-160 f99c4ea19b699f886c811ef580943751118f687e

81683085 as geometric shapes

Circle

Radius = n
Diameter 163366170
Circumference 513229959.5171
Area 2.0961103203891E+16

Sphere

Radius = n
Volume 2.2828900995963E+24
Surface area 8.3844412815564E+16
Circumference 513229959.5171

Square

Length = n
Perimeter 326732340
Area 6672126375117225
Diagonal 115517326.62347

Cube

Length = n
Surface area 40032758250703350
Volume 5.4499986582944E+23
Space diagonal 141479253.33897

Equilateral Triangle

Length = n
Perimeter 245049255
Area 2.8891154690558E+15
Altitude 70739626.669484

Triangular Pyramid

Length = n
Surface area 2.8891154690558E+15
Volume 6.4228850145626E+22
Height 38505775.541158