81609360 (number)

81609360 is an even 8-digits composite number following 81609359 and preceding 81609361. In scientific notation, it is written as 8.1609360 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 18040320 positive integers (up to 81609360) that are relatively prime to 81609360.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1609360 × 10^7
Engineering notation 8.1609360 × 10^6

Prime Factorization of 81609360

Prime Factorization 2 × 2 × 2 × 2 × 651 × 5 × 1567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10201170
Product of the distinct prime numbers

The prime factorization of 81609360 is 2 × 2 × 2 × 2 × 651 × 5 × 1567. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 10, 52, 86, 28, 680, 6173, 737, 84427, 52034, 260508, 184067, 6926336, 8363942, 22671767, 49856384, 497226771, 650363777, 6030016124, 5345250837

Basic calculations (n = 81609360)

Multiplication

n×y
n×2 163218720
n×3 244828080
n×4 326437440
n×5 408046800

Division

n÷y
n÷2 40804680
n÷3 27203120
n÷3 20402340
n÷5 16321872

Exponentiation

ny
n2 6660087639609600
n3 5.4352548981245E+23
n4 4.4356767367281E+31
n5 3.6199273965127E+39

Nth Root

y√n
2√n 9033.789902361
3√n 433.75716061451
4√n 95.046251385107
5√n 38.22504403647

Divisors of 81609360

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 651, 1302, 1567, 2604, 3134, 3255, 5208, 6268, 6510, 7835, 10416, 12536, 13020, 15670, 25072, 26040, 31340, 52080, 62680, 125360, 1020117, 2040234, 4080468, 5100585, 8160936, 10201170, 16321872, 20402340, 40804680, 81609360

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 -81609359
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 81609360 can be divided by 40 positive divisors. The sum of these divisors (counting 81609360) is 1, the average is 0.025.

Base conversion 81609360

Base System Value
2 Binary 100110111010100001010010000
3 Ternary 12200120011222220
4 Quaternary 10313110022100
5 Quinary 131342444420
6 Senary 12033101040
8 Octal 467241220
10 Decimal 81609360
12 Duodecimal 233b7780
16 Hexadecimal 4dd4290
20 Vigesimal 15a1380
36 Base36 1cl66o

Cryptographic Hash Functions

md5 ffc97912f19d6454adaaf356cd1fdcc8
sha1 4572913fca205375c028d3c602583b15e25a9177
sha256 1f73e9a297181f22c06887a9128bb9309ec3bfd304191af4db7473de1f043db2
sha512 1d636a3bf3f3d1d39dff66384a1e733a8cd22c6ae49babea4b5c2d65dd7f558d4b05fbbe471f32c7b05cd1ba6e23cdd7b4b9b914b98582a1545ea2aa0efb0023
ripemd-160 5f51cde98c92e812b66264ae699cc442819fe454

81609360 as geometric shapes

Circle

Radius = n
Diameter 163218720
Circumference 512766731.68033
Area 2.0923282400862E+16

Sphere

Radius = n
Volume 2.2767142477781E+24
Surface area 8.3693129603447E+16
Circumference 512766731.68033

Square

Length = n
Perimeter 326437440
Area 6660087639609600
Diagonal 115413063.72859

Cube

Length = n
Surface area 39960525837657600
Volume 5.4352548981245E+23
Space diagonal 141351557.89318

Equilateral Triangle

Length = n
Perimeter 244828080
Area 2.8839025436663E+15
Altitude 70675778.94659

Triangular Pyramid

Length = n
Surface area 2.8839025436663E+15
Volume 6.4055093265687E+22
Height 38471021.242863