28278515 (number)

28278515 is an odd 8-digits composite number following 28278514 and preceding 28278516. In scientific notation, it is written as 2.8278515 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 22349920 positive integers (up to 28278515) that are relatively prime to 28278515.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred seventy-eight thousand five hundred fifteen

Notation

Scientific notation 2.8278515 × 10^7
Engineering notation 2.8278515 × 10^6

Prime Factorization of 28278515

Prime Factorization 5 × 83 × 68141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28278515
Product of the distinct prime numbers

The prime factorization of 28278515 is 5 × 83 × 68141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28278515)

Multiplication

n×y
n×2 56557030
n×3 84835545
n×4 113114060
n×5 141392575

Division

n÷y
n÷2 14139257.5
n÷3 9426171.6666667
n÷3 7069628.75
n÷5 5655703

Exponentiation

ny
n2 799674410605225
n3 2.2613604815416E+22
n4 6.3947916297681E+29
n5 1.8083521102427E+37

Nth Root

y√n
2√n 5317.7546953578
3√n 304.66240528801
4√n 72.922936689068
5√n 30.923690636086

Divisors of 28278515

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28278514
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28278515 can be divided by 8 positive divisors. The sum of these divisors (counting 28278515) is 1, the average is 0.125.

Base conversion 28278515

Base System Value
2 Binary 1101011110111111011110011
3 Ternary 1222012200211102
4 Quaternary 1223313323303
5 Quinary 24214403030
6 Senary 2450035015
8 Octal 153677363
10 Decimal 28278515
12 Duodecimal 9578a6b
16 Hexadecimal 1af7ef3
20 Vigesimal 8geg5f
36 Base36 gu3ub

Cryptographic Hash Functions

md5 926c0ccdd64dc8c6069d91990dfa60ac
sha1 3655c5896c46393f4c90a79d7ca57b76d81460f5
sha256 1a4fc22e54b1e2bef1bb9fd5b58d9e0802b7c65ed11c701cba8d98809e9373b2
sha512 3799d19d1ba3c257dcc8aec010a79cdd39fafc2082d754d26a26ec0bb1405a53b5c7e88311175afc683d3414a36c10c5d2c186abb3723f438d54cdd2838847f8
ripemd-160 3f36241e0cff10e024790ab2e81466ee1c1efb55

28278515 as geometric shapes

Circle

Radius = n
Diameter 56557030
Circumference 177679149.95686
Area 2.5122512536211E+15

Sphere

Radius = n
Volume 9.4723646345725E+22
Surface area 1.0049005014484E+16
Circumference 177679149.95686

Square

Length = n
Perimeter 113114060
Area 799674410605225
Diagonal 39991859.436771

Cube

Length = n
Surface area 4798046463631350
Volume 2.2613604815416E+22
Space diagonal 48979824.742599

Equilateral Triangle

Length = n
Perimeter 84835545
Area 3.4626917717024E+14
Altitude 24489912.371299

Triangular Pyramid

Length = n
Surface area 3.4626917717024E+14
Volume 2.6650388853422E+21
Height 13330619.812257