81663600 (number)

81663600 is an even 8-digits composite number following 81663599 and preceding 81663601. In scientific notation, it is written as 8.1663600 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 21776640 positive integers (up to 81663600) that are relatively prime to 81663600.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1663600 × 10^7
Engineering notation 8.1663600 × 10^6

Prime Factorization of 81663600

Prime Factorization 2 × 2 × 2 × 2 × 15 × 5 × 68053

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10207950
Product of the distinct prime numbers

The prime factorization of 81663600 is 2 × 2 × 2 × 2 × 15 × 5 × 68053. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 6, 2, 53, 328, 301, 1813, 6650, 84118, 63224, 142105, 194286, 2211916, 1767257, 82602858, 58601789, 654304819, 385716134, 4949895299, 4940992387

Basic calculations (n = 81663600)

Multiplication

n×y
n×2 163327200
n×3 244990800
n×4 326654400
n×5 408318000

Division

n÷y
n÷2 40831800
n÷3 27221200
n÷3 20415900
n÷5 16332720

Exponentiation

ny
n2 6668943564960000
n3 5.4460993971147E+23
n4 4.4474808272621E+31
n5 3.631972952852E+39

Nth Root

y√n
2√n 9036.7914660016
3√n 433.85323528892
4√n 95.062040089626
5√n 38.230123785682

Divisors of 81663600

1, 2, 4, 5, 8, 10, 15, 16, 20, 30, 40, 60, 75, 80, 120, 150, 240, 300, 600, 1200, 68053, 136106, 272212, 340265, 544424, 680530, 1020795, 1088848, 1361060, 2041590, 2722120, 4083180, 5103975, 5444240, 8166360, 10207950, 16332720, 20415900, 40831800, 81663600

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81663599
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81663600 can be divided by 40 positive divisors. The sum of these divisors (counting 81663600) is 1, the average is 0.025.

Base conversion 81663600

Base System Value
2 Binary 100110111100001011001110000
3 Ternary 12200122221101210
4 Quaternary 10313201121300
5 Quinary 131401213400
6 Senary 12034200120
8 Octal 467413160
10 Decimal 81663600
12 Duodecimal 23423040
16 Hexadecimal 4de1670
20 Vigesimal 15a7j00
36 Base36 1cmc1c

Cryptographic Hash Functions

md5 a009ef3afc85fba785f77fafa5bf3a4f
sha1 53b153398ef7470b2feaa0ac733009723cb980ad
sha256 a4521c25b9c59b2347ce5dc67ef6c88c5e37923e30a33ec02aaccdceaa98e6bd
sha512 cb1831bd345c9662efbcc252314d966b3dfe042124649b50aaa901df2636bfb5b0d2947dc4b4f5b8eb02450a8654c7f856088dc543949cf7590c001b7a4b8fac
ripemd-160 00819f4933b70253642e31519f3333ad7b7fb1ed

81663600 as geometric shapes

Circle

Radius = n
Diameter 163327200
Circumference 513107531.65139
Area 2.0951104110883E+16

Sphere

Radius = n
Volume 2.2812567808927E+24
Surface area 8.3804416443533E+16
Circumference 513107531.65139

Square

Length = n
Perimeter 326654400
Area 6668943564960000
Diagonal 115489770.67221

Cube

Length = n
Surface area 40013661389760000
Volume 5.4460993971147E+23
Space diagonal 141445504.32898

Equilateral Triangle

Length = n
Perimeter 244990800
Area 2.8877372718301E+15
Altitude 70722752.164491

Triangular Pyramid

Length = n
Surface area 2.8877372718301E+15
Volume 6.4182896911929E+22
Height 38496590.22407