28686723 (number)

28686723 is an odd 8-digits composite number following 28686722 and preceding 28686724. In scientific notation, it is written as 2.8686723 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 17653344 positive integers (up to 28686723) that are relatively prime to 28686723.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-six thousand seven hundred twenty-three

Notation

Scientific notation 2.8686723 × 10^7
Engineering notation 2.8686723 × 10^6

Prime Factorization of 28686723

Prime Factorization 13 × 3 × 735557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28686723
Product of the distinct prime numbers

The prime factorization of 28686723 is 13 × 3 × 735557. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 52, 39, 510, 35, 4463, 998, 66812, 2176, 967854, 659071, 3582740, 7504688, 62233519, 71988710, 167046472, 350393969, 4858628048, 395147431

Basic calculations (n = 28686723)

Multiplication

n×y
n×2 57373446
n×3 86060169
n×4 114746892
n×5 143433615

Division

n÷y
n÷2 14343361.5
n÷3 9562241
n÷3 7171680.75
n÷5 5737344.6

Exponentiation

ny
n2 822928076478729
n3 2.3607109778868E+22
n4 6.7721061905698E+29
n5 1.9426953441546E+37

Nth Root

y√n
2√n 5355.9987864076
3√n 306.12136883147
4√n 73.184689562829
5√n 31.012457918307

Divisors of 28686723

1, 3, 13, 39, 735557, 2206671, 9562241, 28686723

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 -28686722
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 28686723 can be divided by 8 positive divisors. The sum of these divisors (counting 28686723) is 1, the average is 0.125.

Base conversion 28686723

Base System Value
2 Binary 1101101011011100110000011
3 Ternary 1222222102210020
4 Quaternary 1231123212003
5 Quinary 24320433343
6 Senary 2502504523
8 Octal 155334603
10 Decimal 28686723
12 Duodecimal 9735143
16 Hexadecimal 1b5b983
20 Vigesimal 8j5gg3
36 Base36 h2utf

Cryptographic Hash Functions

md5 f5a77cccc5d6aa228c2ed6f3958425d7
sha1 d722a7dd5a7f13157265c04afcbc22b85e2d23ee
sha256 b1493ec92aa054cc9e4740742780e457ce609de9036561cb3dc0caf485def4db
sha512 08f26b4be256c324f2bacd889f4f212fa8f7ebfdbd2a6c84cea0c443467dc5742f646583a651f5e99697abb6b672bc46d1856437aee892f93c4f4abb793d5857
ripemd-160 444fee24839d5bfd76cfaa2f7167d04a8e2c8b81

28686723 as geometric shapes

Circle

Radius = n
Diameter 57373446
Circumference 180243996.46473
Area 2.5853047994984E+15

Sphere

Radius = n
Volume 9.888523020504E+22
Surface area 1.0341219197993E+16
Circumference 180243996.46473

Square

Length = n
Perimeter 114746892
Area 822928076478729
Diagonal 40569152.72664

Cube

Length = n
Surface area 4937568458872374
Volume 2.3607109778868E+22
Space diagonal 49686861.738655

Equilateral Triangle

Length = n
Perimeter 86060169
Area 3.5633830985902E+14
Altitude 24843430.869327

Triangular Pyramid

Length = n
Surface area 3.5633830985902E+14
Volume 2.7821245681422E+21
Height 13523050.90888