28687049 (number)

28687049 is an odd 8-digits composite number following 28687048 and preceding 28687050. In scientific notation, it is written as 2.8687049 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 27439764 positive integers (up to 28687049) that are relatively prime to 28687049.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand forty-nine

Notation

Scientific notation 2.8687049 × 10^7
Engineering notation 2.8687049 × 10^6

Prime Factorization of 28687049

Prime Factorization 23 × 1247263

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28687049
Product of the distinct prime numbers

The prime factorization of 28687049 is 23 × 1247263. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28687049)

Multiplication

n×y
n×2 57374098
n×3 86061147
n×4 114748196
n×5 143435245

Division

n÷y
n÷2 14343524.5
n÷3 9562349.6666667
n÷3 7171762.25
n÷5 5737409.8

Exponentiation

ny
n2 822946780328401
n3 2.3607914611673E+22
n4 6.7724140325288E+29
n5 1.9428057319944E+37

Nth Root

y√n
2√n 5356.0292194871
3√n 306.12252842934
4√n 73.184897482248
5√n 31.012528403983

Divisors of 28687049

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 -28687048
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 28687049 can be divided by 4 positive divisors. The sum of these divisors (counting 28687049) is 1, the average is 0.25.

Base conversion 28687049

Base System Value
2 Binary 1101101011011101011001001
3 Ternary 1222222110020022
4 Quaternary 1231123223021
5 Quinary 24320441144
6 Senary 2502510225
8 Octal 155335311
10 Decimal 28687049
12 Duodecimal 9735375
16 Hexadecimal 1b5bac9
20 Vigesimal 8j5hc9
36 Base36 h2v2h

Cryptographic Hash Functions

md5 63112145f54d1a29ae873d1372b8231a
sha1 abcf6362b2dc4531ef7bb513d085aefa222f2a17
sha256 dc33b2e664e7ce85626d6cacce7643dd583eeeae09e2f95a71d6b933b8532a5a
sha512 fde66a944fecb0e268f088c84f17075b22b2a9debbb460f5f42d1be1af3394f9c8ef08abc6f33a676de470df42fd314c9fe4eb07c60737e4662916b43e1b1526
ripemd-160 b1a63ca061d53f3ba19eaaf5fd09700bb78f6f6f

28687049 as geometric shapes

Circle

Radius = n
Diameter 57374098
Circumference 180246044.78314
Area 2.5853635593751E+15

Sphere

Radius = n
Volume 9.888860148081E+22
Surface area 1.03414542375E+16
Circumference 180246044.78314

Square

Length = n
Perimeter 114748196
Area 822946780328401
Diagonal 40569613.760262

Cube

Length = n
Surface area 4937680681970406
Volume 2.3607914611673E+22
Space diagonal 49687426.387218

Equilateral Triangle

Length = n
Perimeter 86061147
Area 3.563464088635E+14
Altitude 24843713.193609

Triangular Pyramid

Length = n
Surface area 3.563464088635E+14
Volume 2.7822194185978E+21
Height 13523204.586754