81678082 (number)

81678082 is an even 8-digits composite number following 81678081 and preceding 81678083. In scientific notation, it is written as 8.1678082 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 40839040 positive integers (up to 81678082) that are relatively prime to 81678082.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventy-eight thousand eighty-two

Notation

Scientific notation 8.1678082 × 10^7
Engineering notation 8.1678082 × 10^6

Prime Factorization of 81678082

Prime Factorization 2 × 40839041

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81678082
Product of the distinct prime numbers

The prime factorization of 81678082 is 2 × 40839041. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81678082)

Multiplication

n×y
n×2 163356164
n×3 245034246
n×4 326712328
n×5 408390410

Division

n÷y
n÷2 40839041
n÷3 27226027.333333
n÷3 20419520.5
n÷5 16335616.4

Exponentiation

ny
n2 6671309079198724
n3 5.4489973001814E+23
n4 4.4506364830199E+31
n5 3.6351945161229E+39

Nth Root

y√n
2√n 9037.5927104512
3√n 433.87887988938
4√n 95.066254320085
5√n 38.231479614677

Divisors of 81678082

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 -81678081
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 81678082 can be divided by 4 positive divisors. The sum of these divisors (counting 81678082) is 1, the average is 0.25.

Base conversion 81678082

Base System Value
2 Binary 100110111100100111100000010
3 Ternary 12200200200021011
4 Quaternary 10313210330002
5 Quinary 131402144312
6 Senary 12034351134
8 Octal 467447402
10 Decimal 81678082
12 Duodecimal 2342b4aa
16 Hexadecimal 4de4f02
20 Vigesimal 15a9f42
36 Base36 1cmn7m

Cryptographic Hash Functions

md5 afc195e0048cae5db29b0da1a7114dae
sha1 f1d7c096f0362498414ce09bb8db5c4bcee538ee
sha256 76621df61c8cd39d891aa2771e4c0d31bc132541f34d4d54b92317b875fad7d2
sha512 fdc87b07d8ee692df3935f6641328fc2d42f8bf228c524fcab4e99722ba1698f69fea2fcf921e78693b0e519d431e11735d12ab021d25ff0365947dbf95fa3da
ripemd-160 7c65bbf4c04aa4c9f262d73f1121c1ead5c1f53e

81678082 as geometric shapes

Circle

Radius = n
Diameter 163356164
Circumference 513198524.74101
Area 2.0958535593038E+16

Sphere

Radius = n
Volume 2.2824706516907E+24
Surface area 8.383414237215E+16
Circumference 513198524.74101

Square

Length = n
Perimeter 326712328
Area 6671309079198724
Diagonal 115510251.31302

Cube

Length = n
Surface area 40027854475192344
Volume 5.4489973001814E+23
Space diagonal 141470587.88878

Equilateral Triangle

Length = n
Perimeter 245034246
Area 2.8887615695419E+15
Altitude 70735293.944388

Triangular Pyramid

Length = n
Surface area 2.8887615695419E+15
Volume 6.4217049027091E+22
Height 38503417.104341