82720405 (number)

82720405 is an odd 8-digits composite number following 82720404 and preceding 82720406. In scientific notation, it is written as 8.2720405 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 66176320 positive integers (up to 82720405) that are relatively prime to 82720405.

Interesting facts

Basic properties

Name

Name eighty-two million seven hundred twenty thousand four hundred five

Notation

Scientific notation 8.2720405 × 10^7
Engineering notation 8.2720405 × 10^6

Prime Factorization of 82720405

Prime Factorization 5 × 16544081

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82720405
Product of the distinct prime numbers

The prime factorization of 82720405 is 5 × 16544081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82720405)

Multiplication

n×y
n×2 165440810
n×3 248161215
n×4 330881620
n×5 413602025

Division

n÷y
n÷2 41360202.5
n÷3 27573468.333333
n÷3 20680101.25
n÷5 16544081

Exponentiation

ny
n2 6842665403364025
n3 5.6602805344576E+23
n4 4.6822069822395E+31
n5 3.8731405786468E+39

Nth Root

y√n
2√n 9095.0758655439
3√n 435.71671164874
4√n 95.368107171863
5√n 38.328562404999

Divisors of 82720405

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 -82720404
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 82720405 can be divided by 4 positive divisors. The sum of these divisors (counting 82720405) is 1, the average is 0.25.

Base conversion 82720405

Base System Value
2 Binary 100111011100011011010010101
3 Ternary 12202122122001201
4 Quaternary 10323203122111
5 Quinary 132134023110
6 Senary 12112552501
8 Octal 473433225
10 Decimal 82720405
12 Duodecimal 23852731
16 Hexadecimal 4ee3695
20 Vigesimal 15h0105
36 Base36 1d8zh1

Cryptographic Hash Functions

md5 e91ecbee4af1bafbaf8cfa2a3141af6f
sha1 ada06fd6c9ba2dab36a5558d5f3236350cb1ef49
sha256 23388be0a0427803482f38d9413179d8d95a1858e6b56b37e74fb1b68e1e9f26
sha512 75b8d710b1be0491a794354c9736d01536f8d92e00c6b743bf355d82aa27f47f74cc7f601bfa2a5d48820c46dc5108e227485de29fafaf6a3597de0c79d7645c
ripemd-160 7286d26a536f3a9c30269a0989c2a5685d97b2c5

82720405 as geometric shapes

Circle

Radius = n
Diameter 165440810
Circumference 519747633.29994
Area 2.1496867362181E+16

Sphere

Radius = n
Volume 2.3709727659079E+24
Surface area 8.5987469448726E+16
Circumference 519747633.29994

Square

Length = n
Perimeter 330881620
Area 6842665403364025
Diagonal 116984318.636

Cube

Length = n
Surface area 41055992420184150
Volume 5.6602805344576E+23
Space diagonal 143275944.28267

Equilateral Triangle

Length = n
Perimeter 248161215
Area 2.9629610344551E+15
Altitude 71637972.141337

Triangular Pyramid

Length = n
Surface area 2.9629610344551E+15
Volume 6.670704582222E+22
Height 38994772.878665