28688518 (number)

28688518 is an even 8-digits composite number following 28688517 and preceding 28688519. In scientific notation, it is written as 2.8688518 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 13299336 positive integers (up to 28688518) that are relatively prime to 28688518.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-eight thousand five hundred eighteen

Notation

Scientific notation 2.8688518 × 10^7
Engineering notation 2.8688518 × 10^6

Prime Factorization of 28688518

Prime Factorization 2 × 19 × 47 × 16063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28688518
Product of the distinct prime numbers

The prime factorization of 28688518 is 2 × 19 × 47 × 16063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 35, 7, 499, 888, 3908, 9420, 34595, 48423, 338543, 849143, 2387303, 3016444, 13445280, 84309935, 430773655, 604736055, 7024047303, 8457402148

Basic calculations (n = 28688518)

Multiplication

n×y
n×2 57377036
n×3 86065554
n×4 114754072
n×5 143442590

Division

n÷y
n÷2 14344259
n÷3 9562839.3333333
n÷3 7172129.5
n÷5 5737703.6

Exponentiation

ny
n2 823031065036324
n3 2.3611541523854E+22
n4 6.7738013401483E+29
n5 1.9433032167527E+37

Nth Root

y√n
2√n 5356.1663529058
3√n 306.12775362484
4√n 73.185834373229
5√n 31.012846014004

Divisors of 28688518

1, 2, 19, 38, 47, 94, 893, 1786, 16063, 32126, 305197, 610394, 754961, 1509922, 14344259, 28688518

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28688517
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28688518 can be divided by 16 positive divisors. The sum of these divisors (counting 28688518) is 1, the average is 0.0625.

Base conversion 28688518

Base System Value
2 Binary 1101101011100000010000110
3 Ternary 1222222112020201
4 Quaternary 1231130002012
5 Quinary 24321013033
6 Senary 2502521114
8 Octal 155340206
10 Decimal 28688518
12 Duodecimal 973619a
16 Hexadecimal 1b5c086
20 Vigesimal 8j615i
36 Base36 h2w7a

Cryptographic Hash Functions

md5 df17e4783e1815606fae3d43cf51990f
sha1 26f75af1bc81d12033eb098df9f8a1d4ebae2c0b
sha256 9a69d67b878cd56e204f40c40b1934cd69b664af56737b515f6357f3a035de03
sha512 b4d905753a4f635e931661ca55653cf497183dd777d5df166c4f35a274ff27e0f6c6b28bba257ea897ce09ebb02bc1b1440c7418ecaaba3777663fd64e69c789
ripemd-160 25048bbc21429676f2852c20189cc81aaa20e50b

28688518 as geometric shapes

Circle

Radius = n
Diameter 57377036
Circumference 180255274.78236
Area 2.5856283475943E+15

Sphere

Radius = n
Volume 9.8903793855026E+22
Surface area 1.0342513390377E+16
Circumference 180255274.78236

Square

Length = n
Perimeter 114754072
Area 823031065036324
Diagonal 40571691.239985

Cube

Length = n
Surface area 4938186390217944
Volume 2.3611541523854E+22
Space diagonal 49689970.769854

Equilateral Triangle

Length = n
Perimeter 86065554
Area 3.5638290521261E+14
Altitude 24844985.384927

Triangular Pyramid

Length = n
Surface area 3.5638290521261E+14
Volume 2.7826468542975E+21
Height 13523897.079995