28688313 (number)

28688313 is an odd 8-digits composite number following 28688312 and preceding 28688314. In scientific notation, it is written as 2.8688313 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 19125540 positive integers (up to 28688313) that are relatively prime to 28688313.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8688313 × 10^7
Engineering notation 2.8688313 × 10^6

Prime Factorization of 28688313

Prime Factorization 3 × 9562771

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28688313
Product of the distinct prime numbers

The prime factorization of 28688313 is 3 × 9562771. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28688313)

Multiplication

n×y
n×2 57376626
n×3 86064939
n×4 114753252
n×5 143441565

Division

n÷y
n÷2 14344156.5
n÷3 9562771
n÷3 7172078.25
n÷5 5737662.6

Exponentiation

ny
n2 823019302785969
n3 2.3611035363366E+22
n4 6.773607727583E+29
n5 1.9432337862812E+37

Nth Root

y√n
2√n 5356.14721605
3√n 306.12702445578
4√n 73.185703631584
5√n 31.012801692079

Divisors of 28688313

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 -28688312
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 28688313 can be divided by 4 positive divisors. The sum of these divisors (counting 28688313) is 1, the average is 0.25.

Base conversion 28688313

Base System Value
2 Binary 1101101011011111110111001
3 Ternary 1222222111222010
4 Quaternary 1231123332321
5 Quinary 24321011223
6 Senary 2502520133
8 Octal 155337671
10 Decimal 28688313
12 Duodecimal 9736049
16 Hexadecimal 1b5bfb9
20 Vigesimal 8j60fd
36 Base36 h2w1l

Cryptographic Hash Functions

md5 708f22664ef06a74b3cce31a2d4e9582
sha1 df1cc585ce00ba1dc95adda1d37bbb2039268205
sha256 ef4482721dbe0d97154ac632b9d2472698a9fe6d60a22bdb1611f42c9ebfaf9b
sha512 2868104a04cdcacf995fdaa94ca0efc9c1287f62ef5b8aeb3cf876a7efc02d76c08a5164955529f23359b4675d6948a8beb25944ef3583535548b383a718a982
ripemd-160 fa181191f8af018c2f7cce217e7922c5db5a4b7f

28688313 as geometric shapes

Circle

Radius = n
Diameter 57376626
Circumference 180253986.72937
Area 2.585591395395E+15

Sphere

Radius = n
Volume 9.8901673654931E+22
Surface area 1.034236558158E+16
Circumference 180253986.72937

Square

Length = n
Perimeter 114753252
Area 823019302785969
Diagonal 40571401.326204

Cube

Length = n
Surface area 4938115816715814
Volume 2.3611035363366E+22
Space diagonal 49689615.699439

Equilateral Triangle

Length = n
Perimeter 86064939
Area 3.563778120088E+14
Altitude 24844807.849719

Triangular Pyramid

Length = n
Surface area 3.563778120088E+14
Volume 2.7825872027119E+21
Height 13523800.442068