28668849 (number)

28668849 is an odd 8-digits composite number following 28668848 and preceding 28668850. In scientific notation, it is written as 2.8668849 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors. There are 16759680 positive integers (up to 28668849) that are relatively prime to 28668849.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-eight thousand eight hundred forty-nine

Notation

Scientific notation 2.8668849 × 10^7
Engineering notation 2.8668849 × 10^6

Prime Factorization of 28668849

Prime Factorization 33 × 29 × 29 × 1033

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 988581
Product of the distinct prime numbers

The prime factorization of 28668849 is 33 × 29 × 29 × 1033. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 83, 29, 24, 230, 7882, 9269, 31819, 54643, 142767, 77767, 7101263, 5272516, 54357127, 46078912, 653769927, 814953532, 3868205445, 667348731

Basic calculations (n = 28668849)

Multiplication

n×y
n×2 57337698
n×3 86006547
n×4 114675396
n×5 143344245

Division

n÷y
n÷2 14334424.5
n÷3 9556283
n÷3 7167212.25
n÷5 5733769.8

Exponentiation

ny
n2 821902902984801
n3 2.3563010218333E+22
n4 6.7552438193484E+29
n5 1.9366506501508E+37

Nth Root

y√n
2√n 5354.3299300659
3√n 306.0577766934
4√n 73.173286997824
5√n 31.008592332984

Divisors of 28668849

1, 29, 33, 841, 957, 1033, 27753, 29957, 34089, 868753, 988581, 28668849

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28668848
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28668849 can be divided by 12 positive divisors. The sum of these divisors (counting 28668849) is 1, the average is 0.083333333333333.

Base conversion 28668849

Base System Value
2 Binary 1101101010111001110110001
3 Ternary 1222221112021020
4 Quaternary 1231113032301
5 Quinary 24314400344
6 Senary 2502250053
8 Octal 155271661
10 Decimal 28668849
12 Duodecimal 9726929
16 Hexadecimal 1b573b1
20 Vigesimal 8j3c29
36 Base36 h2h0x

Cryptographic Hash Functions

md5 280eec1d17603ec27b51c7c2aa6e13a0
sha1 d46c83d18ea51c2b0d2b6052181da0a7c7361121
sha256 4f3759b74024536b1203bec03f5d47046ef6400219af5fd51451229a60834dd5
sha512 01d0a09351319a3d2603ca77f59193d1d85bf651e27edb383fef8468a8423c994c71d8d2a4d1f26461d8b4e8922c087a75aa27b9bdb39003f9e8b2df03d52eea
ripemd-160 7cab50cb46e4b68160c21d2ae8e8de46fadf4388

28668849 as geometric shapes

Circle

Radius = n
Diameter 57337698
Circumference 180131690.81055
Area 2.5820841219812E+15

Sphere

Radius = n
Volume 9.8700506397835E+22
Surface area 1.0328336487925E+16
Circumference 180131690.81055

Square

Length = n
Perimeter 114675396
Area 821902902984801
Diagonal 40543875.073426

Cube

Length = n
Surface area 4931417417908806
Volume 2.3563010218333E+22
Space diagonal 49655903.06252

Equilateral Triangle

Length = n
Perimeter 86006547
Area 3.5589439671451E+14
Altitude 24827951.53126

Triangular Pyramid

Length = n
Surface area 3.5589439671451E+14
Volume 2.7769273850919E+21
Height 13514625.024475